diff --git a/backend/app/routers/purchase_request.py b/backend/app/routers/purchase_request.py
index 9234f54..39d0d92 100644
--- a/backend/app/routers/purchase_request.py
+++ b/backend/app/routers/purchase_request.py
@@ -51,9 +51,13 @@ async def create_purchase_request(
         count = db.execute(count_query, {"pattern": f"PR-{today}%"}).fetchone().count
         request_no = f"PR-{today}-{str(count + 1).zfill(3)}"
         
-        # 자재 데이터를 JSON 파일로 저장 (나중에 재다운로드 시 사용)
+        # 자재 데이터를 JSON과 엑셀 파일로 저장
         json_filename = f"{request_no}.json"
+        excel_filename = f"{request_no}.xlsx"
         json_path = os.path.join(EXCEL_DIR, json_filename)
+        excel_path = os.path.join(EXCEL_DIR, excel_filename)
+        
+        # JSON 저장
         save_materials_data(
             request_data.materials_data, 
             json_path, 
@@ -62,6 +66,14 @@ async def create_purchase_request(
             request_data.grouped_materials  # 그룹화 정보 추가
         )
         
+        # 엑셀 파일 생성 및 저장
+        create_excel_file(
+            request_data.grouped_materials or request_data.materials_data,
+            excel_path,
+            request_no,
+            request_data.job_no
+        )
+        
         # 구매신청 레코드 생성
         insert_request = text("""
             INSERT INTO purchase_requests (
@@ -79,7 +91,7 @@ async def create_purchase_request(
             "job_no": request_data.job_no,
             "category": request_data.category,
             "material_count": len(request_data.material_ids),
-            "excel_path": json_filename,
+            "excel_path": excel_filename,  # 엑셀 파일명 저장 (JSON 대신)
             "requested_by": 1  # current_user.get("user_id")
         })
         request_id = result.fetchone().request_id
@@ -276,12 +288,30 @@ async def get_request_materials(
                 m.original_description,
                 m.classified_category,
                 m.size_spec,
+                m.main_nom,
+                m.red_nom,
                 m.schedule,
                 m.material_grade,
+                m.full_material_grade,
                 m.quantity as original_quantity,
-                m.unit as original_unit
+                m.unit as original_unit,
+                m.classification_details,
+                pd.outer_diameter, pd.schedule as pipe_schedule, pd.material_spec, pd.manufacturing_method,
+                pd.end_preparation, pd.length_mm,
+                fd.fitting_type, fd.fitting_subtype, fd.connection_method as fitting_connection,
+                fd.pressure_rating as fitting_pressure, fd.schedule as fitting_schedule,
+                fld.flange_type, fld.facing_type,
+                fld.pressure_rating as flange_pressure,
+                gd.gasket_type, gd.gasket_subtype, gd.material_type as gasket_material,
+                gd.filler_material, gd.pressure_rating as gasket_pressure, gd.thickness as gasket_thickness,
+                bd.bolt_type, bd.material_standard as bolt_material, bd.length as bolt_length
             FROM purchase_request_items pri
             JOIN materials m ON pri.material_id = m.id
+            LEFT JOIN pipe_details pd ON m.id = pd.material_id
+            LEFT JOIN fitting_details fd ON m.id = fd.material_id
+            LEFT JOIN flange_details fld ON m.id = fld.material_id
+            LEFT JOIN gasket_details gd ON m.id = gd.material_id
+            LEFT JOIN bolt_details bd ON m.id = bd.material_id
             WHERE pri.request_id = :request_id
             ORDER BY m.classified_category, m.original_description
         """)
@@ -296,21 +326,69 @@ async def get_request_materials(
                 qty_int = int(float(qty)) if qty else 0
             except (ValueError, TypeError):
                 qty_int = 0
-                
-            materials.append({
+            
+            # BOM 페이지와 동일한 형식으로 데이터 구성
+            material_dict = {
                 "item_id": row.item_id,
                 "material_id": row.material_id,
-                "description": row.original_description,
-                "category": row.classified_category,
-                "size": row.size_spec,
+                "id": row.material_id,
+                "original_description": row.original_description,
+                "classified_category": row.classified_category,
+                "size_spec": row.size_spec,
+                "size_inch": row.main_nom,
+                "main_nom": row.main_nom,
+                "red_nom": row.red_nom,
                 "schedule": row.schedule,
                 "material_grade": row.material_grade,
-                "quantity": qty_int,  # 정수로 변환
+                "full_material_grade": row.full_material_grade,
+                "quantity": qty_int,
                 "unit": row.requested_unit or row.original_unit,
                 "user_requirement": row.user_requirement,
                 "is_ordered": row.is_ordered,
-                "is_received": row.is_received
-            })
+                "is_received": row.is_received,
+                "classification_details": row.classification_details
+            }
+            
+            # 카테고리별 상세 정보 추가
+            if row.classified_category == 'PIPE' and row.manufacturing_method:
+                material_dict["pipe_details"] = {
+                    "manufacturing_method": row.manufacturing_method,
+                    "schedule": row.pipe_schedule,
+                    "material_spec": row.material_spec,
+                    "end_preparation": row.end_preparation,
+                    "length_mm": row.length_mm
+                }
+            elif row.classified_category == 'FITTING' and row.fitting_type:
+                material_dict["fitting_details"] = {
+                    "fitting_type": row.fitting_type,
+                    "fitting_subtype": row.fitting_subtype,
+                    "connection_method": row.fitting_connection,
+                    "pressure_rating": row.fitting_pressure,
+                    "schedule": row.fitting_schedule
+                }
+            elif row.classified_category == 'FLANGE' and row.flange_type:
+                material_dict["flange_details"] = {
+                    "flange_type": row.flange_type,
+                    "facing_type": row.facing_type,
+                    "pressure_rating": row.flange_pressure
+                }
+            elif row.classified_category == 'GASKET' and row.gasket_type:
+                material_dict["gasket_details"] = {
+                    "gasket_type": row.gasket_type,
+                    "gasket_subtype": row.gasket_subtype,
+                    "material_type": row.gasket_material,
+                    "filler_material": row.filler_material,
+                    "pressure_rating": row.gasket_pressure,
+                    "thickness": row.gasket_thickness
+                }
+            elif row.classified_category == 'BOLT' and row.bolt_type:
+                material_dict["bolt_details"] = {
+                    "bolt_type": row.bolt_type,
+                    "material_standard": row.bolt_material,
+                    "length": row.bolt_length
+                }
+            
+            materials.append(material_dict)
         
         return {
             "success": True,
@@ -334,8 +412,10 @@ async def download_request_excel(
     db: Session = Depends(get_db)
 ):
     """
-    구매신청 자재 데이터 조회 (프론트엔드에서 엑셀 생성용)
+    구매신청 엑셀 파일 직접 다운로드 (BOM 페이지에서 생성한 파일 그대로)
     """
+    from fastapi.responses import FileResponse
+    
     try:
         # 구매신청 정보 조회
         query = text("""
@@ -351,25 +431,20 @@ async def download_request_excel(
                 detail="구매신청을 찾을 수 없습니다"
             )
         
-        file_path = os.path.join(EXCEL_DIR, result.excel_file_path)
+        excel_file_path = os.path.join(EXCEL_DIR, result.excel_file_path)
         
-        if not os.path.exists(file_path):
+        if not os.path.exists(excel_file_path):
             raise HTTPException(
                 status_code=status.HTTP_404_NOT_FOUND,
-                detail="데이터 파일을 찾을 수 없습니다"
+                detail="엑셀 파일을 찾을 수 없습니다"
             )
         
-        # JSON 파일 읽기
-        with open(file_path, 'r', encoding='utf-8') as f:
-            data = json.load(f)
-        
-        return {
-            "success": True,
-            "request_no": result.request_no,
-            "job_no": result.job_no,
-            "materials": data.get("materials", []),
-            "grouped_materials": data.get("grouped_materials", [])  # 그룹화 정보도 반환
-        }
+        # 엑셀 파일 직접 다운로드
+        return FileResponse(
+            path=excel_file_path,
+            filename=f"{result.job_no}_{result.request_no}.xlsx",
+            media_type="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
+        )
         
     except HTTPException:
         raise
@@ -418,3 +493,85 @@ def save_materials_data(materials_data: List[Dict], file_path: str, request_no:
     
     with open(file_path, 'w', encoding='utf-8') as f:
         json.dump(data_to_save, f, ensure_ascii=False, indent=2)
+
+
+def create_excel_file(materials_data: List[Dict], file_path: str, request_no: str, job_no: str):
+    """
+    자재 데이터로 엑셀 파일 생성 (BOM 페이지와 동일한 형식)
+    """
+    import openpyxl
+    from openpyxl.styles import Font, PatternFill, Alignment, Border, Side
+    
+    # 새 워크북 생성
+    wb = openpyxl.Workbook()
+    wb.remove(wb.active)  # 기본 시트 제거
+    
+    # 카테고리별 그룹화
+    category_groups = {}
+    for material in materials_data:
+        category = material.get('category', 'UNKNOWN')
+        if category not in category_groups:
+            category_groups[category] = []
+        category_groups[category].append(material)
+    
+    # 각 카테고리별 시트 생성
+    for category, items in category_groups.items():
+        if not items:
+            continue
+            
+        ws = wb.create_sheet(title=category)
+        
+        # 헤더 정의
+        headers = ['TAGNO', '품목명', '수량', '통화구분', '단가', '크기', '압력등급', '스케줄', 
+                  '재질', '상세내역', '사용자요구', '관리항목1', '관리항목7', '관리항목8', 
+                  '관리항목9', '관리항목10', '납기일(YYYY-MM-DD)']
+        
+        # 헤더 작성
+        for col, header in enumerate(headers, 1):
+            cell = ws.cell(row=1, column=col, value=header)
+            cell.font = Font(bold=True, color="000000", size=12, name="맑은 고딕")
+            cell.fill = PatternFill(start_color="B3D9FF", end_color="B3D9FF", fill_type="solid")
+            cell.alignment = Alignment(horizontal="center", vertical="center")
+            cell.border = Border(
+                top=Side(style="thin", color="666666"),
+                bottom=Side(style="thin", color="666666"),
+                left=Side(style="thin", color="666666"),
+                right=Side(style="thin", color="666666")
+            )
+        
+        # 데이터 작성
+        for row_idx, material in enumerate(items, 2):
+            data = [
+                '',  # TAGNO
+                category,  # 품목명
+                material.get('quantity', 0),  # 수량
+                'KRW',  # 통화구분
+                1,  # 단가
+                material.get('size', '-'),  # 크기
+                '-',  # 압력등급 (추후 개선)
+                material.get('schedule', '-'),  # 스케줄
+                material.get('material_grade', '-'),  # 재질
+                '-',  # 상세내역 (추후 개선)
+                material.get('user_requirement', ''),  # 사용자요구
+                '', '', '', '', '',  # 관리항목들
+                datetime.now().strftime('%Y-%m-%d')  # 납기일
+            ]
+            
+            for col, value in enumerate(data, 1):
+                ws.cell(row=row_idx, column=col, value=value)
+        
+        # 컬럼 너비 자동 조정
+        for column in ws.columns:
+            max_length = 0
+            column_letter = column[0].column_letter
+            for cell in column:
+                try:
+                    if len(str(cell.value)) > max_length:
+                        max_length = len(str(cell.value))
+                except:
+                    pass
+            adjusted_width = min(max(max_length + 2, 10), 50)
+            ws.column_dimensions[column_letter].width = adjusted_width
+    
+    # 파일 저장
+    wb.save(file_path)
diff --git a/backend/exports/PR-20251014-001.json b/backend/exports/PR-20251014-001.json
index f344915..7889920 100644
--- a/backend/exports/PR-20251014-001.json
+++ b/backend/exports/PR-20251014-001.json
@@ -1,814 +1,44 @@
 {
   "request_no": "PR-20251014-001",
-  "job_no": "TKG-25000P",
-  "created_at": "2025-10-14T05:52:12.372051",
+  "job_no": "테스트용",
+  "created_at": "2025-10-14T06:47:25.065166",
   "materials": [
     {
-      "material_id": 1,
-      "description": "HALF NIPPLE, SMLS, SCH 80S, ASTM A312 TP304 SW X NPT",
-      "category": "FITTING",
-      "size": "1/2\"",
-      "material_grade": "ASTM A312 TP304",
-      "quantity": 3,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 3,
-      "description": "HALF NIPPLE, SMLS, SCH 80S, ASTM A312 TP304 SW X NPT",
-      "category": "FITTING",
-      "size": "1/2\"",
-      "material_grade": "ASTM A312 TP304",
-      "quantity": 3,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 143,
-      "description": "HALF NIPPLE, SMLS, SCH 160, ASTM A106 B SW * NPT",
-      "category": "FITTING",
+      "material_id": 2013,
+      "description": "SIGHT GLASS, FLG, 150LB",
+      "category": "FLANGE",
       "size": "1\"",
-      "material_grade": "ASTM A106 B",
-      "quantity": 2,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 292,
-      "description": "HALF NIPPLE, SMLS, SCH 160, ASTM A106 B SW X NPT",
-      "category": "FITTING",
-      "size": "1/2\"",
-      "material_grade": "ASTM A106 B",
-      "quantity": 9,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 296,
-      "description": "HALF NIPPLE, SMLS, SCH 160, ASTM A106 B SW X NPT",
-      "category": "FITTING",
-      "size": "1/2\"",
-      "material_grade": "ASTM A106 B",
-      "quantity": 9,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 299,
-      "description": "HALF NIPPLE, SMLS, SCH 160, ASTM A106 B SW X NPT",
-      "category": "FITTING",
-      "size": "1/2\"",
-      "material_grade": "ASTM A106 B",
-      "quantity": 9,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 301,
-      "description": "NIPPLE, SMLS, SCH 160, ASTM A106 B",
-      "category": "FITTING",
-      "size": "1/2\"",
-      "material_grade": "ASTM A106 B",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 612,
-      "description": "90 LR ELL, SMLS, SCH 40S, ASTM A403 WP304",
-      "category": "FITTING",
-      "size": "10\"",
-      "material_grade": "ASTM A403 WP304",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 613,
-      "description": "90 LR ELL, SMLS, SCH 40, ASTM A234 WPB",
-      "category": "FITTING",
-      "size": "2\"",
-      "material_grade": "ASTM A234 WPB",
-      "quantity": 25,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 638,
-      "description": "90 LR ELL, SMLS, SCH 40S, ASTM A403 WP304",
-      "category": "FITTING",
-      "size": "2\"",
-      "material_grade": "ASTM A403 WP304",
+      "material_grade": "SS",
       "quantity": 6,
       "unit": "EA",
       "user_requirement": ""
     },
     {
-      "material_id": 644,
-      "description": "90 LR ELL, SMLS, SCH 40, ASTM A234 WPB",
-      "category": "FITTING",
-      "size": "3\"",
-      "material_grade": "ASTM A234 WPB",
-      "quantity": 12,
+      "material_id": 2019,
+      "description": "SIGHT GLASS, FLG, 150LB",
+      "category": "FLANGE",
+      "size": "1/2\"",
+      "material_grade": "SS",
+      "quantity": 5,
       "unit": "EA",
       "user_requirement": ""
     },
     {
-      "material_id": 656,
-      "description": "90 LR ELL, SMLS, SCH 40S, ASTM A403 WP304",
-      "category": "FITTING",
-      "size": "3\"",
-      "material_grade": "ASTM A403 WP304",
-      "quantity": 4,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 660,
-      "description": "90 LR ELL, SMLS, SCH 40, ASTM A234 WPB",
-      "category": "FITTING",
-      "size": "4\"",
-      "material_grade": "ASTM A234 WPB",
-      "quantity": 7,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 667,
-      "description": "90 SR ELL, SMLS, SCH 40, ASTM A234 WPB",
-      "category": "FITTING",
-      "size": "4\"",
-      "material_grade": "ASTM A234 WPB",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 668,
-      "description": "90 LR ELL, SMLS, SCH 40, ASTM A234 WPB",
-      "category": "FITTING",
-      "size": "6\"",
-      "material_grade": "ASTM A234 WPB",
-      "quantity": 7,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 675,
-      "description": "45 ELL, SMLS, SCH 40, ASTM A234 WPB",
-      "category": "FITTING",
-      "size": "6\"",
-      "material_grade": "ASTM A234 WPB",
-      "quantity": 2,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 677,
-      "description": "TEE, SMLS, SCH 40, ASTM A234 WPB",
-      "category": "FITTING",
+      "material_id": 2024,
+      "description": "SIGHT GLASS, FLG, 150LB",
+      "category": "FLANGE",
       "size": "2\"",
-      "material_grade": "ASTM A234 WPB",
-      "quantity": 4,
+      "material_grade": "SS",
+      "quantity": 2,
       "unit": "EA",
       "user_requirement": ""
     },
     {
-      "material_id": 681,
-      "description": "TEE, SMLS, SCH 40S, ASTM A403 WP304",
-      "category": "FITTING",
+      "material_id": 2027,
+      "description": "STRAINER, FLG, 150LB",
+      "category": "FLANGE",
       "size": "2\"",
-      "material_grade": "ASTM A403 WP304",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 682,
-      "description": "TEE, SMLS, SCH 40, ASTM A234 WPB",
-      "category": "FITTING",
-      "size": "3\"",
-      "material_grade": "ASTM A234 WPB",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 683,
-      "description": "TEE, SMLS, SCH 40S, ASTM A403 WP304",
-      "category": "FITTING",
-      "size": "3\"",
-      "material_grade": "ASTM A403 WP304",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 684,
-      "description": "TEE RED, SMLS, SCH 40 X SCH 80, ASTM A234 WPB",
-      "category": "FITTING",
-      "size": "2\" x 1 1/2\"",
-      "material_grade": "ASTM A234 WPB",
-      "quantity": 3,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 687,
-      "description": "TEE RED, SMLS, SCH 40S X SCH 40S, ASTM A403 WP304",
-      "category": "FITTING",
-      "size": "2\" x 1 1/2\"",
-      "material_grade": "ASTM A403 WP304",
-      "quantity": 2,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 689,
-      "description": "TEE RED, SMLS, SCH 40 X SCH 80, ASTM A234 WPB",
-      "category": "FITTING",
-      "size": "3\" x 1 1/2\"",
-      "material_grade": "ASTM A234 WPB",
-      "quantity": 3,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 692,
-      "description": "TEE RED, SMLS, SCH 40 X SCH 80, ASTM A234 WPB",
-      "category": "FITTING",
-      "size": "4\" x 1 1/2\"",
-      "material_grade": "ASTM A234 WPB",
-      "quantity": 2,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 694,
-      "description": "RED CONC, SMLS, SCH 80 X SCH 80, ASTM A234 WPB",
-      "category": "FITTING",
-      "size": "1 1/2\" x 1\"",
-      "material_grade": "ASTM A234 WPB",
-      "quantity": 5,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 699,
-      "description": "RED CONC, SMLS, SCH 80 X SCH 80, ASTM A234 WPB",
-      "category": "FITTING",
-      "size": "1 1/2\" x 3/4\"",
-      "material_grade": "ASTM A234 WPB",
-      "quantity": 2,
-      "unit": "EA",
-      "user_requirement": ""
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-      "size": "1 1/2\"",
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-      "quantity": 1,
-      "unit": "EA",
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-      "size": "1 1/2\"",
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-      "quantity": 1,
-      "unit": "EA",
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-      "quantity": 1,
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-      "size": "3/4\"",
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-      "description": "SOCK O LET, SW, 3000LB, ASTM A182 F304",
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-      "size": "10\" x 1 1/2\"",
-      "material_grade": "ASTM A182 F304",
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-      "size": "10\" x 3/4\"",
-      "material_grade": "ASTM A182 F304",
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-      "unit": "EA",
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-      "unit": "EA",
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-      "description": "ELL O LET, SW, 3000LB, ASTM A105",
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-      "size": "2\" x 3/4\"",
-      "material_grade": "ASTM A105",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
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-      "description": "ELL O LET, SW, 3000LB, ASTM A105",
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-      "size": "3\" x 3/4\"",
-      "material_grade": "ASTM A105",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
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-      "description": "SOCK O LET, SW, 3000LB, ASTM A105",
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-      "size": "3\" x 3/4\"",
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-      "unit": "EA",
-      "user_requirement": ""
-    },
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-      "description": "SOCK O LET, SW, 3000LB, ASTM A182 F304",
-      "category": "FITTING",
-      "size": "3\" x 3/4\"",
-      "material_grade": "ASTM A182 F304",
-      "quantity": 3,
-      "unit": "EA",
-      "user_requirement": ""
-    },
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-      "description": "SOCK O LET, SW, 3000LB, ASTM A105",
-      "category": "FITTING",
-      "size": "3\" x 1\"",
-      "material_grade": "ASTM A105",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
-    },
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-      "description": "SOCK O LET, SW, 3000LB, ASTM A105",
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-      "size": "4\" x 3/4\"",
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-      "unit": "EA",
-      "user_requirement": ""
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-    {
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-      "description": "SOCK O LET, SW, 3000LB, ASTM A105",
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-      "size": "6\" x 1 1/2\"",
-      "material_grade": "ASTM A105",
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-      "unit": "EA",
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-      "description": "SOCK O LET, SW, 3000LB, ASTM A105",
-      "category": "FITTING",
-      "size": "6\" x 3/4\"",
-      "material_grade": "ASTM A105",
+      "material_grade": "-",
       "quantity": 1,
       "unit": "EA",
       "user_requirement": ""
@@ -816,1018 +46,53 @@
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       "material_ids": [
-        1,
-        3
+        2013
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-      "size": "1/2\"",
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-      "material_ids": [
-        143
-      ],
-      "description": "HALF NIPPLE, SMLS, SCH 160, ASTM A106 B SW * NPT",
-      "category": "FITTING",
+      "description": "SIGHT GLASS, FLG, 150LB",
+      "category": "FLANGE",
       "size": "1\"",
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-      "quantity": 2,
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-      "category": "FITTING",
-      "size": "2\"",
-      "material_grade": "ASTM A403 WP304",
+      "material_grade": "SS",
       "quantity": 6,
       "unit": "EA",
       "user_requirement": ""
     },
     {
-      "group_key": "90 LR ELL, SMLS, SCH 40, ASTM A234 WPB|3\"|undefined|ASTM A234 WPB",
+      "group_key": "SIGHT GLASS, FLG, 150LB|1/2\"|undefined|SS",
       "material_ids": [
-        644
+        2019
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-      "description": "90 LR ELL, SMLS, SCH 40, ASTM A234 WPB",
-      "category": "FITTING",
-      "size": "3\"",
-      "material_grade": "ASTM A234 WPB",
-      "quantity": 12,
+      "description": "SIGHT GLASS, FLG, 150LB",
+      "category": "FLANGE",
+      "size": "1/2\"",
+      "material_grade": "SS",
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       "unit": "EA",
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diff --git a/backend/exports/PR-20251014-002.json b/backend/exports/PR-20251014-002.json
index 079a90f..32ff32a 100644
--- a/backend/exports/PR-20251014-002.json
+++ b/backend/exports/PR-20251014-002.json
@@ -1,745 +1,101 @@
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-      "category": "BOLT",
-      "size": "3/4\"",
-      "material_grade": "ASTM A320M/A194M GR B8/8",
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       "unit": "EA",
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-      "unit": "EA",
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-      "unit": "EA",
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-      "group_key": "(4) 0.5, 75 LG, 150LB, ASTM A193/A194 GR B7/2H, ELEC.GALV|1\"|undefined|ASTM A193/A194 GR B7/2H",
+      "group_key": "SIGHT GLASS, FLG, 150LB|1\"|undefined|SS",
       "material_ids": [
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+        5552
       ],
-      "description": "(4) 0.5, 75 LG, 150LB, ASTM A193/A194 GR B7/2H, ELEC.GALV",
-      "category": "BOLT",
+      "description": "SIGHT GLASS, FLG, 150LB",
+      "category": "FLANGE",
       "size": "1\"",
-      "material_grade": "ASTM A193/A194 GR B7/2H",
-      "quantity": 51,
-      "unit": "EA",
-      "user_requirement": ""
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-      "unit": "EA",
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-      "material_grade": "ASTM A193/A194 GR B7/2H",
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-      "description": "(4) 0.5, 65 LG, 150LB, ASTM A193/A194 GR B7/2H, ELEC.GALV",
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-      "material_grade": "ASTM A193/A194 GR B7/2H",
-      "quantity": 36,
-      "unit": "EA",
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-    {
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-      "description": "(4) 0.5, 65 LG, 150LB, ASTM A320/A194M GR B8/8",
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-      "category": "BOLT",
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-      "material_grade": "ASTM A320/A194M GR B8/8",
-      "quantity": 4,
-      "unit": "EA",
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-    {
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-      "material_ids": [
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-      "description": "(4) 0.5, 75 LG, 150LB, ASTM A320/A194M GR B8/8",
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-      "quantity": 5,
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-      "description": "(4) 0.5, 80 LG, 150LB, ASTM A320/A194M GR B8/8",
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-      "quantity": 8,
-      "unit": "EA",
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-      "material_ids": [
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-      "description": "(4) 0.5, 90 LG, 150LB, PSV, ASTM A193/A194 GR B7/2H, ELEC.GALV",
-      "category": "BOLT",
-      "size": "3/4\"",
-      "material_grade": "ASTM A193/A194 GR B7/2H",
-      "quantity": 5,
-      "unit": "EA",
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-    {
-      "group_key": "(4) 0.5, 95 LG, 150LB, PSV, ASTM A193/A194 GR B7/2H, ELEC.GALV|1 1/2\"|undefined|ASTM A193/A194 GR B7/2H",
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-      "description": "(4) 0.5, 95 LG, 150LB, PSV, ASTM A193/A194 GR B7/2H, ELEC.GALV",
-      "category": "BOLT",
-      "size": "1 1/2\"",
-      "material_grade": "ASTM A193/A194 GR B7/2H",
-      "quantity": 2,
-      "unit": "EA",
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-    },
-    {
-      "group_key": "(4) 0.75, 120 LG, 600LB, ASTM A193/A194 GR B7/2H, ELEC.GALV|1 1/2\"|undefined|ASTM A193/A194 GR B7/2H",
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-      "description": "(4) 0.75, 120 LG, 600LB, ASTM A193/A194 GR B7/2H, ELEC.GALV",
-      "category": "BOLT",
-      "size": "1 1/2\"",
-      "material_grade": "ASTM A193/A194 GR B7/2H",
-      "quantity": 5,
-      "unit": "EA",
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-    {
-      "group_key": "(4) 0.75, 125 LG, 300LB, PSV, ASTM A193/A194 GR B7/2H, ELEC.GALV|1 1/2\"|undefined|ASTM A193/A194 GR B7/2H",
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-      "description": "(4) 0.75, 125 LG, 300LB, PSV, ASTM A193/A194 GR B7/2H, ELEC.GALV",
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-      "size": "1 1/2\"",
-      "material_grade": "ASTM A193/A194 GR B7/2H",
-      "quantity": 2,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "(8) 0.75, 115 LG, 150LB, ASTM A193/A194 GR B7/2H, ELEC.GALV|6\"|undefined|ASTM A193/A194 GR B7/2H",
-      "material_ids": [
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-      "description": "(8) 0.75, 115 LG, 150LB, ASTM A193/A194 GR B7/2H, ELEC.GALV",
-      "category": "BOLT",
-      "size": "6\"",
-      "material_grade": "ASTM A193/A194 GR B7/2H",
-      "quantity": 5,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "(8) 0.75, 120 LG, 150LB, WOOD OR, ASTM A193/A194 GR B7/2H, ELEC.GALV|6\"|undefined|ASTM A193/A194 GR B7/2H",
-      "material_ids": [
-        1259
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-      "description": "(8) 0.75, 120 LG, 150LB, WOOD OR, ASTM A193/A194 GR B7/2H, ELEC.GALV",
-      "category": "BOLT",
-      "size": "6\"",
-      "material_grade": "ASTM A193/A194 GR B7/2H",
-      "quantity": 2,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "(8) 0.75, 120 LG, 300LB, ASTM A193/A194 GR B7/2H, ELEC.GALV|3\"|undefined|ASTM A193/A194 GR B7/2H",
-      "material_ids": [
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-      ],
-      "description": "(8) 0.75, 120 LG, 300LB, ASTM A193/A194 GR B7/2H, ELEC.GALV",
-      "category": "BOLT",
-      "size": "3\"",
-      "material_grade": "ASTM A193/A194 GR B7/2H",
-      "quantity": 2,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "(8) 0.75, 140 CK, 600LB, PSV, ASTM A320M/A194M GR B8/8|3\"|undefined|ASTM A320M/A194M GR B8/8",
-      "material_ids": [
-        1263
-      ],
-      "description": "(8) 0.75, 140 CK, 600LB, PSV, ASTM A320M/A194M GR B8/8",
-      "category": "BOLT",
-      "size": "3\"",
-      "material_grade": "ASTM A320M/A194M GR B8/8",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "(8) 0.75, 145 LG, 600LB, WOOD OR, ASTM A193/A194 GR B7/2H, ELEC.GALV|3\"|undefined|ASTM A193/A194 GR B7/2H",
-      "material_ids": [
-        1267
-      ],
-      "description": "(8) 0.75, 145 LG, 600LB, WOOD OR, ASTM A193/A194 GR B7/2H, ELEC.GALV",
-      "category": "BOLT",
-      "size": "3\"",
-      "material_grade": "ASTM A193/A194 GR B7/2H",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "(4) 0.625, 100 LG, 150LB, ASTM A193/A194 GR B7/2H, ELEC.GALV|3\"|undefined|ASTM A193/A194 GR B7/2H",
-      "material_ids": [
-        1268
-      ],
-      "description": "(4) 0.625, 100 LG, 150LB, ASTM A193/A194 GR B7/2H, ELEC.GALV",
-      "category": "BOLT",
-      "size": "3\"",
-      "material_grade": "ASTM A193/A194 GR B7/2H",
-      "quantity": 7,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "(4) 0.625, 100 LG, 150LB, ASTM A320/A194M GR B8/8|3\"|undefined|ASTM A320/A194M GR B8/8",
-      "material_ids": [
-        1275
-      ],
-      "description": "(4) 0.625, 100 LG, 150LB, ASTM A320/A194M GR B8/8",
-      "category": "BOLT",
-      "size": "3\"",
-      "material_grade": "ASTM A320/A194M GR B8/8",
+      "material_grade": "SS",
       "quantity": 6,
       "unit": "EA",
       "user_requirement": ""
     },
     {
-      "group_key": "(4) 0.625, 100 LG, 600LB, ASTM A320M/A194M GR B8/8|1\"|undefined|ASTM A320M/A194M GR B8/8",
+      "group_key": "SIGHT GLASS, FLG, 150LB|1/2\"|undefined|SS",
       "material_ids": [
-        1283
+        5558
       ],
-      "description": "(4) 0.625, 100 LG, 600LB, ASTM A320M/A194M GR B8/8",
-      "category": "BOLT",
-      "size": "1\"",
-      "material_grade": "ASTM A320M/A194M GR B8/8",
-      "quantity": 1,
+      "description": "SIGHT GLASS, FLG, 150LB",
+      "category": "FLANGE",
+      "size": "1/2\"",
+      "material_grade": "SS",
+      "quantity": 5,
       "unit": "EA",
       "user_requirement": ""
     },
     {
-      "group_key": "(4) 0.625, 105 LG, 600LB, PSV, ASTM A193/A194 GR B7/2H, ELEC.GALV|3/4\"|undefined|ASTM A193/A194 GR B7/2H",
+      "group_key": "SIGHT GLASS, FLG, 150LB|2\"|undefined|SS",
       "material_ids": [
-        1284
+        5563
       ],
-      "description": "(4) 0.625, 105 LG, 600LB, PSV, ASTM A193/A194 GR B7/2H, ELEC.GALV",
-      "category": "BOLT",
-      "size": "3/4\"",
-      "material_grade": "ASTM A193/A194 GR B7/2H",
+      "description": "SIGHT GLASS, FLG, 150LB",
+      "category": "FLANGE",
+      "size": "2\"",
+      "material_grade": "SS",
       "quantity": 2,
       "unit": "EA",
       "user_requirement": ""
     },
     {
-      "group_key": "(4) 0.625, 90 LG, 150LB, ASTM A193/A194 GR B7/2H, ELEC.GALV|2\"|undefined|ASTM A193/A194 GR B7/2H",
+      "group_key": "STRAINER, FLG, 150LB|2\"|undefined|-",
       "material_ids": [
-        1286
+        5566
       ],
-      "description": "(4) 0.625, 90 LG, 150LB, ASTM A193/A194 GR B7/2H, ELEC.GALV",
-      "category": "BOLT",
+      "description": "STRAINER, FLG, 150LB",
+      "category": "FLANGE",
       "size": "2\"",
-      "material_grade": "ASTM A193/A194 GR B7/2H",
-      "quantity": 25,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "(4) 0.625, 90 LG, 150LB, ASTM A320/A194M GR B8/8|2\"|undefined|ASTM A320/A194M GR B8/8",
-      "material_ids": [
-        1311
-      ],
-      "description": "(4) 0.625, 90 LG, 150LB, ASTM A320/A194M GR B8/8",
-      "category": "BOLT",
-      "size": "2\"",
-      "material_grade": "ASTM A320/A194M GR B8/8",
-      "quantity": 6,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "(4) 0.625, 95 LG, 600LB, ASTM A193/A194 GR B7/2H, ELEC.GALV|3/4\"|undefined|ASTM A193/A194 GR B7/2H",
-      "material_ids": [
-        1317
-      ],
-      "description": "(4) 0.625, 95 LG, 600LB, ASTM A193/A194 GR B7/2H, ELEC.GALV",
-      "category": "BOLT",
-      "size": "3/4\"",
-      "material_grade": "ASTM A193/A194 GR B7/2H",
-      "quantity": 2,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "(4) 0.625, 95 LG, 600LB, ASTM A320M/A194M GR B8/8|3/4\"|undefined|ASTM A320M/A194M GR B8/8",
-      "material_ids": [
-        1319
-      ],
-      "description": "(4) 0.625, 95 LG, 600LB, ASTM A320M/A194M GR B8/8",
-      "category": "BOLT",
-      "size": "3/4\"",
-      "material_grade": "ASTM A320M/A194M GR B8/8",
+      "material_grade": "-",
       "quantity": 1,
       "unit": "EA",
       "user_requirement": ""
-    },
-    {
-      "group_key": "(8) 0.625, 95 LG, 300LB, ASTM A193/A194 GR B7/2H, ELEC.GALV|2\"|undefined|ASTM A193/A194 GR B7/2H",
-      "material_ids": [
-        1320
-      ],
-      "description": "(8) 0.625, 95 LG, 300LB, ASTM A193/A194 GR B7/2H, ELEC.GALV",
-      "category": "BOLT",
-      "size": "2\"",
-      "material_grade": "ASTM A193/A194 GR B7/2H",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "(12) 0.875, 130 LG, 150LB, ASTM A320/A194M GR B8/8|10\"|undefined|ASTM A320/A194M GR B8/8",
-      "material_ids": [
-        1321
-      ],
-      "description": "(12) 0.875, 130 LG, 150LB, ASTM A320/A194M GR B8/8",
-      "category": "BOLT",
-      "size": "10\"",
-      "material_grade": "ASTM A320/A194M GR B8/8",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "(12) 0.875, 140 LG, 150LB, TS, ASTM A320/A194M GR B8/8|10\"|undefined|ASTM A320/A194M GR B8/8",
-      "material_ids": [
-        1322
-      ],
-      "description": "(12) 0.875, 140 LG, 150LB, TS, ASTM A320/A194M GR B8/8",
-      "category": "BOLT",
-      "size": "10\"",
-      "material_grade": "ASTM A320/A194M GR B8/8",
-      "quantity": 2,
-      "unit": "EA",
-      "user_requirement": ""
     }
   ]
 }
\ No newline at end of file
diff --git a/backend/exports/PR-20251014-003.json b/backend/exports/PR-20251014-003.json
deleted file mode 100644
index eac24cc..0000000
--- a/backend/exports/PR-20251014-003.json
+++ /dev/null
@@ -1,929 +0,0 @@
-{
-  "request_no": "PR-20251014-003",
-  "job_no": "TKG-25000P",
-  "created_at": "2025-10-14T06:15:45.368700",
-  "materials": [
-    {
-      "material_id": 723,
-      "description": "FLG WELD NECK RF SCH 40S, 150LB, ASTM A182 F304",
-      "category": "FLANGE",
-      "size": "10\"",
-      "material_grade": "ASTM A182 F304",
-      "quantity": 5,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 728,
-      "description": "FLG WELD NECK RF SCH 40S, 150LB, ASTM A182 F304",
-      "category": "FLANGE",
-      "size": "12\"",
-      "material_grade": "ASTM A182 F304",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
-    },
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\ No newline at end of file
diff --git a/backend/exports/PR-20251014-004.json b/backend/exports/PR-20251014-004.json
deleted file mode 100644
index 9ac8d03..0000000
--- a/backend/exports/PR-20251014-004.json
+++ /dev/null
@@ -1,929 +0,0 @@
-{
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-    },
-    {
-      "group_key": "FLG WELD NECK RF SCH 40S, 600LB, ASTM A182 F304|3\"|undefined|ASTM A182 F304",
-      "material_ids": [
-        4323
-      ],
-      "description": "FLG WELD NECK RF SCH 40S, 600LB, ASTM A182 F304",
-      "category": "FLANGE",
-      "size": "3\"",
-      "material_grade": "ASTM A182 F304",
-      "quantity": 2,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "FLG WELD NECK RF SCH 40, 150LB, ASTM A105|3\"|undefined|ASTM A105",
-      "material_ids": [
-        4325
-      ],
-      "description": "FLG WELD NECK RF SCH 40, 150LB, ASTM A105",
-      "category": "FLANGE",
-      "size": "3\"",
-      "material_grade": "ASTM A105",
-      "quantity": 12,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "FLG WELD NECK RF SCH 40, 300LB, ASTM A105|3\"|undefined|ASTM A105",
-      "material_ids": [
-        4337
-      ],
-      "description": "FLG WELD NECK RF SCH 40, 300LB, ASTM A105",
-      "category": "FLANGE",
-      "size": "3\"",
-      "material_grade": "ASTM A105",
-      "quantity": 2,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "FLG WELD NECK RF SCH 40S, 150LB, ASTM A182 F304|3\"|undefined|ASTM A182 F304",
-      "material_ids": [
-        4342
-      ],
-      "description": "FLG WELD NECK RF SCH 40S, 150LB, ASTM A182 F304",
-      "category": "FLANGE",
-      "size": "3\"",
-      "material_grade": "ASTM A182 F304",
-      "quantity": 9,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "FLG WELD NECK RF SCH 40, 300LB, ASTM A105|4\"|undefined|ASTM A105",
-      "material_ids": [
-        4351
-      ],
-      "description": "FLG WELD NECK RF SCH 40, 300LB, ASTM A105",
-      "category": "FLANGE",
-      "size": "4\"",
-      "material_grade": "ASTM A105",
-      "quantity": 3,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "FLG WELD NECK RF SCH 40, 150LB, ASTM A105|6\"|undefined|ASTM A105",
-      "material_ids": [
-        4354
-      ],
-      "description": "FLG WELD NECK RF SCH 40, 150LB, ASTM A105",
-      "category": "FLANGE",
-      "size": "6\"",
-      "material_grade": "ASTM A105",
-      "quantity": 10,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "FLG SWRF SCH 40S, 150LB, ASTM A182 F304|1/2\"|undefined|ASTM A182 F304",
-      "material_ids": [
-        4364
-      ],
-      "description": "FLG SWRF SCH 40S, 150LB, ASTM A182 F304",
-      "category": "FLANGE",
-      "size": "1/2\"",
-      "material_grade": "ASTM A182 F304",
-      "quantity": 14,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "FLG SWRF SCH 80, 150LB, ASTM A105|3/4\"|undefined|ASTM A105",
-      "material_ids": [
-        4376
-      ],
-      "description": "FLG SWRF SCH 80, 150LB, ASTM A105",
-      "category": "FLANGE",
-      "size": "3/4\"",
-      "material_grade": "ASTM A105",
-      "quantity": 15,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "FLG SWRF SCH 40S, 150LB, ASTM A182 F304|1\"|undefined|ASTM A182 F304",
-      "material_ids": [
-        4380
-      ],
-      "description": "FLG SWRF SCH 40S, 150LB, ASTM A182 F304",
-      "category": "FLANGE",
-      "size": "1\"",
-      "material_grade": "ASTM A182 F304",
-      "quantity": 9,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "FLG SWRF SCH 80, 150LB, ASTM A105|1\"|undefined|ASTM A105",
-      "material_ids": [
-        4381
-      ],
-      "description": "FLG SWRF SCH 80, 150LB, ASTM A105",
-      "category": "FLANGE",
-      "size": "1\"",
-      "material_grade": "ASTM A105",
-      "quantity": 66,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "FLG SWRF SCH 80, 600LB, ASTM A105|1\"|undefined|ASTM A105",
-      "material_ids": [
-        4385
-      ],
-      "description": "FLG SWRF SCH 80, 600LB, ASTM A105",
-      "category": "FLANGE",
-      "size": "1\"",
-      "material_grade": "ASTM A105",
-      "quantity": 6,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "FLG SWRF SCH 40S, 150LB, ASTM A182 F304|1 1/2\"|undefined|ASTM A182 F304",
-      "material_ids": [
-        4387
-      ],
-      "description": "FLG SWRF SCH 40S, 150LB, ASTM A182 F304",
-      "category": "FLANGE",
-      "size": "1 1/2\"",
-      "material_grade": "ASTM A182 F304",
-      "quantity": 8,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "FLG SWRF SCH 80, 150LB, ASTM A105|1 1/2\"|undefined|ASTM A105",
-      "material_ids": [
-        4395
-      ],
-      "description": "FLG SWRF SCH 80, 150LB, ASTM A105",
-      "category": "FLANGE",
-      "size": "1 1/2\"",
-      "material_grade": "ASTM A105",
-      "quantity": 40,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "FLG SWRF SCH 80, 600LB, ASTM A105|1 1/2\"|undefined|ASTM A105",
-      "material_ids": [
-        4431
-      ],
-      "description": "FLG SWRF SCH 80, 600LB, ASTM A105",
-      "category": "FLANGE",
-      "size": "1 1/2\"",
-      "material_grade": "ASTM A105",
-      "quantity": 5,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "FLG SWRF SCH 40S, 600LB, ASTM A182 F304|1\"|undefined|ASTM A182 F304",
-      "material_ids": [
-        4452
-      ],
-      "description": "FLG SWRF SCH 40S, 600LB, ASTM A182 F304",
-      "category": "FLANGE",
-      "size": "1\"",
-      "material_grade": "ASTM A182 F304",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "FLG SWRF SCH 80, 300LB, ASTM A105|1 1/2\"|undefined|ASTM A105",
-      "material_ids": [
-        4525
-      ],
-      "description": "FLG SWRF SCH 80, 300LB, ASTM A105",
-      "category": "FLANGE",
-      "size": "1 1/2\"",
-      "material_grade": "ASTM A105",
-      "quantity": 3,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "FLG SWRF SCH 80, 150LB, ASTM A105|1/2\"|undefined|ASTM A105",
-      "material_ids": [
-        4530
-      ],
-      "description": "FLG SWRF SCH 80, 150LB, ASTM A105",
-      "category": "FLANGE",
-      "size": "1/2\"",
-      "material_grade": "ASTM A105",
-      "quantity": 57,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "FLG SWRF SCH 40S, 150LB, ASTM A182 F304|3/4\"|undefined|ASTM A182 F304",
-      "material_ids": [
-        4587
-      ],
-      "description": "FLG SWRF SCH 40S, 150LB, ASTM A182 F304",
-      "category": "FLANGE",
-      "size": "3/4\"",
-      "material_grade": "ASTM A182 F304",
-      "quantity": 7,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "FLG SWRF SCH 40S, 300LB, ASTM A182 F304|3/4\"|undefined|ASTM A182 F304",
-      "material_ids": [
-        4594
-      ],
-      "description": "FLG SWRF SCH 40S, 300LB, ASTM A182 F304",
-      "category": "FLANGE",
-      "size": "3/4\"",
-      "material_grade": "ASTM A182 F304",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "FLG SWRF SCH 40S, 600LB, ASTM A182 F304|3/4\"|undefined|ASTM A182 F304",
-      "material_ids": [
-        4595
-      ],
-      "description": "FLG SWRF SCH 40S, 600LB, ASTM A182 F304",
-      "category": "FLANGE",
-      "size": "3/4\"",
-      "material_grade": "ASTM A182 F304",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "FLG SWRF SCH 80, 300LB, ASTM A105|3/4\"|undefined|ASTM A105",
-      "material_ids": [
-        4607
-      ],
-      "description": "FLG SWRF SCH 80, 300LB, ASTM A105",
-      "category": "FLANGE",
-      "size": "3/4\"",
-      "material_grade": "ASTM A105",
-      "quantity": 2,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "FLG SWRF SCH 80, 600LB, ASTM A105|3/4\"|undefined|ASTM A105",
-      "material_ids": [
-        4609
-      ],
-      "description": "FLG SWRF SCH 80, 600LB, ASTM A105",
-      "category": "FLANGE",
-      "size": "3/4\"",
-      "material_grade": "ASTM A105",
-      "quantity": 5,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "ORIFICE, 150LB|10\"|undefined|-",
-      "material_ids": [
-        5413
-      ],
-      "description": "ORIFICE, 150LB",
-      "category": "FLANGE",
-      "size": "10\"",
-      "material_grade": "-",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "WOOD ORIFICE, 300LB|10\"|undefined|-",
-      "material_ids": [
-        5415
-      ],
-      "description": "WOOD ORIFICE, 300LB",
-      "category": "FLANGE",
-      "size": "10\"",
-      "material_grade": "-",
-      "quantity": 2,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "WOOD ORIFICE, 600LB|3\"|undefined|-",
-      "material_ids": [
-        5417
-      ],
-      "description": "WOOD ORIFICE, 600LB",
-      "category": "FLANGE",
-      "size": "3\"",
-      "material_grade": "-",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "WOOD ORIFICE, 300LB|4\"|undefined|-",
-      "material_ids": [
-        5418
-      ],
-      "description": "WOOD ORIFICE, 300LB",
-      "category": "FLANGE",
-      "size": "4\"",
-      "material_grade": "-",
-      "quantity": 2,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "WOOD ORIFICE, 300LB|5\"|undefined|-",
-      "material_ids": [
-        5420
-      ],
-      "description": "WOOD ORIFICE, 300LB",
-      "category": "FLANGE",
-      "size": "5\"",
-      "material_grade": "-",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "WOOD ORIFICE, 600LB|5\"|undefined|-",
-      "material_ids": [
-        5421
-      ],
-      "description": "WOOD ORIFICE, 600LB",
-      "category": "FLANGE",
-      "size": "5\"",
-      "material_grade": "-",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "WOOD ORIFICE, 150LB|6\"|undefined|-",
-      "material_ids": [
-        5422
-      ],
-      "description": "WOOD ORIFICE, 150LB",
-      "category": "FLANGE",
-      "size": "6\"",
-      "material_grade": "-",
-      "quantity": 2,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "WOOD ORIFICE, 300LB|8\"|undefined|-",
-      "material_ids": [
-        5424
-      ],
-      "description": "WOOD ORIFICE, 300LB",
-      "category": "FLANGE",
-      "size": "8\"",
-      "material_grade": "-",
-      "quantity": 2,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "SIGHT GLASS, FLG, 150LB|1\"|undefined|SS",
-      "material_ids": [
-        5552
-      ],
-      "description": "SIGHT GLASS, FLG, 150LB",
-      "category": "FLANGE",
-      "size": "1\"",
-      "material_grade": "SS",
-      "quantity": 6,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "SIGHT GLASS, FLG, 150LB|1/2\"|undefined|SS",
-      "material_ids": [
-        5558
-      ],
-      "description": "SIGHT GLASS, FLG, 150LB",
-      "category": "FLANGE",
-      "size": "1/2\"",
-      "material_grade": "SS",
-      "quantity": 5,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "SIGHT GLASS, FLG, 150LB|2\"|undefined|SS",
-      "material_ids": [
-        5563
-      ],
-      "description": "SIGHT GLASS, FLG, 150LB",
-      "category": "FLANGE",
-      "size": "2\"",
-      "material_grade": "SS",
-      "quantity": 2,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "STRAINER, FLG, 150LB|2\"|undefined|-",
-      "material_ids": [
-        5566
-      ],
-      "description": "STRAINER, FLG, 150LB",
-      "category": "FLANGE",
-      "size": "2\"",
-      "material_grade": "-",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
-    }
-  ]
-}
\ No newline at end of file
diff --git a/backend/exports/PR-20251014-005.json b/backend/exports/PR-20251014-005.json
deleted file mode 100644
index a702aba..0000000
--- a/backend/exports/PR-20251014-005.json
+++ /dev/null
@@ -1,55 +0,0 @@
-{
-  "request_no": "PR-20251014-005",
-  "job_no": "TK-MP-DEV-001",
-  "created_at": "2025-10-14T06:23:18.137603",
-  "materials": [
-    {
-      "material_id": 5450,
-      "description": "ON/OFF VALVE, FLG, 600LB",
-      "category": "VALVE",
-      "size": "1\"",
-      "material_grade": "-",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "material_id": 5451,
-      "description": "CHECK VALVE, LIFT, SW, 800LB",
-      "category": "VALVE",
-      "size": "1 1/2\"",
-      "material_grade": "-",
-      "quantity": 2,
-      "unit": "EA",
-      "user_requirement": ""
-    }
-  ],
-  "grouped_materials": [
-    {
-      "group_key": "ON/OFF VALVE, FLG, 600LB|1\"|undefined|-",
-      "material_ids": [
-        5450
-      ],
-      "description": "ON/OFF VALVE, FLG, 600LB",
-      "category": "VALVE",
-      "size": "1\"",
-      "material_grade": "-",
-      "quantity": 1,
-      "unit": "EA",
-      "user_requirement": ""
-    },
-    {
-      "group_key": "CHECK VALVE, LIFT, SW, 800LB|1 1/2\"|undefined|-",
-      "material_ids": [
-        5451
-      ],
-      "description": "CHECK VALVE, LIFT, SW, 800LB",
-      "category": "VALVE",
-      "size": "1 1/2\"",
-      "material_grade": "-",
-      "quantity": 2,
-      "unit": "EA",
-      "user_requirement": ""
-    }
-  ]
-}
\ No newline at end of file
diff --git a/frontend/src/pages/NewMaterialsPage.jsx b/frontend/src/pages/NewMaterialsPage.jsx
index df3754a..2b027a6 100644
--- a/frontend/src/pages/NewMaterialsPage.jsx
+++ b/frontend/src/pages/NewMaterialsPage.jsx
@@ -1382,6 +1382,20 @@ const NewMaterialsPage = ({
         user_requirement: userRequirements[material.id] || ''
       }));
       
+      // 1단계: 엑셀 파일 생성
+      const timestamp = new Date().toISOString().split('T')[0];
+      const fileName = `${jobNo}_${selectedCategory}_${timestamp}.xlsx`;
+      
+      // BOM 페이지에서 사용하는 엑셀 내보내기 함수 사용
+      await exportCategoryToExcel(
+        selectedCategory,
+        dataWithRequirements,
+        jobNo,
+        fileName,
+        userRequirements
+      );
+      
+      // 2단계: 생성된 엑셀을 서버에 업로드 (구매신청과 함께)
       // 서버에 구매신청 생성
       try {
         // 그룹화된 데이터를 구매신청 형식으로 변환
@@ -1472,9 +1486,9 @@ const NewMaterialsPage = ({
         uploadDate: new Date().toLocaleDateString()
       };
       
-      const fileName = `${selectedCategory}_${jobNo || 'export'}_${new Date().toISOString().split('T')[0]}.xlsx`;
+      const excelFileName = `${selectedCategory}_${jobNo || 'export'}_${new Date().toISOString().split('T')[0]}.xlsx`;
       
-      exportMaterialsToExcel(dataWithRequirements, fileName, additionalInfo);
+      exportMaterialsToExcel(dataWithRequirements, excelFileName, additionalInfo);
       
       console.log('✅ 엑셀 내보내기 성공');
     } catch (error) {
diff --git a/frontend/src/pages/PurchaseRequestPage.jsx b/frontend/src/pages/PurchaseRequestPage.jsx
index ffd6c1d..abe4269 100644
--- a/frontend/src/pages/PurchaseRequestPage.jsx
+++ b/frontend/src/pages/PurchaseRequestPage.jsx
@@ -54,81 +54,27 @@ const PurchaseRequestPage = ({ onNavigate, fileId, jobNo, selectedProject }) =>
     const handleDownloadExcel = async (requestId, requestNo) => {
         try {
             console.log('📥 엑셀 다운로드 시작:', requestId, requestNo);
-            // 서버에서 자재 데이터 가져오기
-            const response = await api.get(`/purchase-request/${requestId}/download-excel`);
-            console.log('📦 서버 응답:', response.data);
             
-            if (response.data.success) {
-                const materials = response.data.materials;
-                const groupedMaterials = response.data.grouped_materials || [];
-                const jobNo = response.data.job_no;
-                
-                console.log('📊 materials:', materials.length, '개');
-                console.log('📊 groupedMaterials:', groupedMaterials.length, '개');
-                
-                // 사용자 요구사항 매핑
-                const userRequirements = {};
-                materials.forEach(material => {
-                    if (material.user_requirement) {
-                        userRequirements[material.material_id || material.id] = material.user_requirement;
-                    }
-                });
-                
-                // 개별 자재 사용 (BOM 페이지와 동일하게)
-                // groupedMaterials는 일부 자재가 누락될 수 있으므로 materials 사용
-                const dataToExport = materials;
-                
-                // 파일명 생성
-                const timestamp = new Date().toISOString().split('T')[0];
-                const fileName = `${jobNo}_${requestNo}_${timestamp}.xlsx`;
-                
-                console.log('📄 내보낼 데이터:', dataToExport.length, '개');
-                console.log('📄 첫 번째 자재:', dataToExport[0]);
-                
-                // materials 데이터를 BOM 형식으로 변환
-                const materialsForExport = materials.map(m => {
-                    // description에서 품목명 추출 (NIPPLE, ELBOW, TEE 등)
-                    const desc = m.description || '';
-                    const category = m.category || 'UNKNOWN';
-                    
-                    return {
-                        ...m,
-                        classified_category: category,
-                        original_description: desc,
-                        size_spec: m.size,
-                        size_inch: m.size,
-                        material_grade: m.material_grade,
-                        full_material_grade: m.material_grade,
-                        schedule: m.schedule,
-                        quantity: m.quantity,
-                        unit: m.unit,
-                        // FITTING의 경우 타입 정보 추가
-                        fitting_details: category === 'FITTING' ? {
-                            fitting_type: desc.includes('NIPPLE') ? 'NIPPLE' :
-                                        desc.includes('ELBOW') ? 'ELBOW' :
-                                        desc.includes('TEE') ? 'TEE' :
-                                        desc.includes('REDUCER') ? 'REDUCER' :
-                                        desc.includes('CAP') ? 'CAP' :
-                                        desc.includes('PLUG') ? 'PLUG' :
-                                        desc.includes('COUPLING') ? 'COUPLING' : 'FITTING'
-                        } : undefined
-                    };
-                });
-                
-                console.log('🔄 BOM 형식으로 변환 완료:', materialsForExport.length, '개');
-                
-                // 기존 엑셀 유틸리티 사용
-                exportMaterialsToExcel(materialsForExport, fileName, {
-                    jobNo,
-                    requestNo,
-                    userRequirements
-                });
-                
-                console.log('✅ 엑셀 내보내기 완료');
-            } else {
-                console.error('❌ 서버 응답 실패:', response.data);
-                alert('데이터를 가져올 수 없습니다');
-            }
+            // 서버에서 생성된 엑셀 파일 직접 다운로드 (BOM 페이지와 동일한 파일)
+            const response = await api.get(`/purchase-request/${requestId}/download-excel`, {
+                responseType: 'blob'  // 파일 다운로드용
+            });
+            
+            // 파일 다운로드 처리
+            const blob = new Blob([response.data], {
+                type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
+            });
+            
+            const url = window.URL.createObjectURL(blob);
+            const link = document.createElement('a');
+            link.href = url;
+            link.download = `${requestNo}_재다운로드.xlsx`;
+            document.body.appendChild(link);
+            link.click();
+            document.body.removeChild(link);
+            window.URL.revokeObjectURL(url);
+            
+            console.log('✅ 엑셀 파일 다운로드 완료');
         } catch (error) {
             console.error('❌ 엑셀 다운로드 실패:', error);
             alert('엑셀 다운로드 실패: ' + error.message);
diff --git a/frontend/src/utils/excelExport.js b/frontend/src/utils/excelExport.js
index 94af793..87fa7b9 100644
--- a/frontend/src/utils/excelExport.js
+++ b/frontend/src/utils/excelExport.js
@@ -150,66 +150,43 @@ const formatMaterialForExcel = (material, includeComparison = false) => {
   // 구매 수량 계산
   const purchaseInfo = calculatePurchaseQuantity(material);
   
-  // 품목명 생성 (카테고리별 상세 처리)
+  // 변수 선언 (먼저 선언)
   let itemName = '';
+  let detailInfo = '';
+  let gasketMaterial = '';
+  let gasketThickness = '';
   if (category === 'PIPE') {
     itemName = material.pipe_details?.manufacturing_method || 'PIPE';
   } else if (category === 'FITTING') {
     itemName = material.fitting_details?.fitting_type || 'FITTING';
   } else if (category === 'FLANGE') {
-    // 플랜지 타입 추출
-    const desc = cleanDescription.toUpperCase();
-    console.log('🔍 FLANGE 품목명 추출:', cleanDescription);
+    // 플랜지는 품목명만 간단하게 (상세내역에 타입 정보)
+    itemName = 'FLANGE';
     
-    if (material.flange_details) {
-      console.log('  flange_details:', material.flange_details);
-      const flangeType = material.flange_details.flange_type || '';
-      const originalFlangeType = material.flange_details.original_flange_type || '';
-      const facingType = material.flange_details.facing_type || '';
-      
-      // 특수 플랜지 타입 우선
-      if (desc.includes('ORIFICE')) {
-        itemName = 'ORIFICE FLANGE';
-      } else if (desc.includes('SPECTACLE')) {
-        itemName = 'SPECTACLE BLIND';
-      } else if (desc.includes('PADDLE')) {
-        itemName = 'PADDLE BLIND';
-      } else if (desc.includes('SPACER')) {
-        itemName = 'SPACER';
-      } else if (desc.includes('BLIND')) {
-        itemName = 'BLIND FLANGE';
-      } else {
-        // 일반 플랜지: flange_type 사용 (WN RF, SO RF 등)
-        itemName = flangeType || 'FLANGE';
-      }
+    // 특수 플랜지는 구분
+    const desc = cleanDescription.toUpperCase();
+    if (desc.includes('ORIFICE')) {
+      itemName = 'ORIFICE FLANGE';
+    } else if (desc.includes('SPECTACLE')) {
+      itemName = 'SPECTACLE BLIND';
+    } else if (desc.includes('PADDLE')) {
+      itemName = 'PADDLE BLIND';
+    } else if (desc.includes('SPACER')) {
+      itemName = 'SPACER';
+    } else if (desc.includes('BLIND')) {
+      itemName = 'BLIND FLANGE';
+    }
+    
+    // 상세내역에 플랜지 타입 정보 저장 (줄임말 사용)
+    if (material.flange_details && material.flange_details.flange_type) {
+      detailInfo = material.flange_details.flange_type; // WN RF, SO RF 등
     } else {
-      console.log('  flange_details 없음, description에서 추출');
-      // flange_details가 없으면 description에서 추출
-      if (desc.includes('ORIFICE')) {
-        itemName = 'ORIFICE FLANGE';
-      } else if (desc.includes('SPECTACLE') || desc.includes('SPEC')) {
-        itemName = 'SPECTACLE BLIND';
-      } else if (desc.includes('PADDLE')) {
-        itemName = 'PADDLE BLIND';
-      } else if (desc.includes('SPACER')) {
-        itemName = 'SPACER';
-      } else if (desc.includes('BLIND')) {
-        itemName = 'BLIND FLANGE';
-      } else if (desc.includes(' SW') || desc.includes(',SW') || desc.includes(', SW')) {
-        itemName = 'FLANGE SW';
-      } else if (desc.includes(' BW') || desc.includes(',BW') || desc.includes(', BW')) {
-        itemName = 'FLANGE BW';
-      } else if (desc.includes('RTJ')) {
-        itemName = 'FLANGE RTJ';
-      } else if (desc.includes(' FF') || desc.includes('FULL FACE')) {
-        itemName = 'FLANGE FF';
-      } else if (desc.includes(' RF') || desc.includes('RAISED')) {
-        itemName = 'FLANGE RF';
-      } else {
-        itemName = 'FLANGE';
+      // description에서 추출 (전체 이름 그대로 사용)
+      const flangeTypeMatch = cleanDescription.match(/FLG\s+([^,]+?)(?=\s*SCH|\s*,\s*\d+LB|$)/i);
+      if (flangeTypeMatch) {
+        detailInfo = flangeTypeMatch[1].trim(); // WELD NECK RF 등 그대로
       }
     }
-    console.log('  → 품목명:', itemName);
   } else if (category === 'VALVE') {
     itemName = 'VALVE';
   } else if (category === 'GASKET') {
@@ -379,10 +356,7 @@ const formatMaterialForExcel = (material, includeComparison = false) => {
     }
   }
   
-  // 카테고리별 상세 정보 추출
-  let detailInfo = '';
-  let gasketMaterial = '';
-  let gasketThickness = '';
+  // 카테고리별 상세 정보 추출 (이미 위에서 선언됨)
   
   if (category === 'BOLT') {
     // 볼트의 경우 표면처리 정보 추출