diff --git a/backend/app/services/fitting_classifier.py b/backend/app/services/fitting_classifier.py
index 6e75112..7c0a04d 100644
--- a/backend/app/services/fitting_classifier.py
+++ b/backend/app/services/fitting_classifier.py
@@ -513,18 +513,77 @@ def classify_fitting_subtype(fitting_type: str, description: str,
                            main_nom: str, red_nom: str, type_data: Dict) -> Dict:
     """피팅 서브타입 분류"""
     
+    desc_upper = description.upper()
     subtypes = type_data.get("subtypes", {})
     
-    # 1. 키워드 기반 서브타입 분류 (우선)
+    # 1. 키워드 기반 서브타입 분류 (우선) - 대소문자 구분 없이
     for subtype, keywords in subtypes.items():
         for keyword in keywords:
-            if keyword in description:
+            if keyword.upper() in desc_upper:
                 return {
                     "subtype": subtype,
                     "confidence": 0.9,
                     "evidence": [f"SUBTYPE_KEYWORD: {keyword}"]
                 }
     
+    # 1.5. ELBOW 특별 처리 - 조합 키워드 우선 확인
+    if fitting_type == "ELBOW":
+        # 90도 + 반경 조합
+        if ("90" in desc_upper or "90°" in desc_upper or "90DEG" in desc_upper):
+            if ("LR" in desc_upper or "LONG RADIUS" in desc_upper or "장반경" in desc_upper):
+                return {
+                    "subtype": "90DEG_LONG_RADIUS",
+                    "confidence": 0.95,
+                    "evidence": ["90DEG + LONG_RADIUS"]
+                }
+            elif ("SR" in desc_upper or "SHORT RADIUS" in desc_upper or "단반경" in desc_upper):
+                return {
+                    "subtype": "90DEG_SHORT_RADIUS", 
+                    "confidence": 0.95,
+                    "evidence": ["90DEG + SHORT_RADIUS"]
+                }
+            else:
+                return {
+                    "subtype": "90DEG",
+                    "confidence": 0.85,
+                    "evidence": ["90DEG_DETECTED"]
+                }
+        
+        # 45도 + 반경 조합
+        elif ("45" in desc_upper or "45°" in desc_upper or "45DEG" in desc_upper):
+            if ("LR" in desc_upper or "LONG RADIUS" in desc_upper or "장반경" in desc_upper):
+                return {
+                    "subtype": "45DEG_LONG_RADIUS",
+                    "confidence": 0.95,
+                    "evidence": ["45DEG + LONG_RADIUS"]
+                }
+            elif ("SR" in desc_upper or "SHORT RADIUS" in desc_upper or "단반경" in desc_upper):
+                return {
+                    "subtype": "45DEG_SHORT_RADIUS",
+                    "confidence": 0.95,
+                    "evidence": ["45DEG + SHORT_RADIUS"]
+                }
+            else:
+                return {
+                    "subtype": "45DEG",
+                    "confidence": 0.85,
+                    "evidence": ["45DEG_DETECTED"]
+                }
+        
+        # 반경만 있는 경우 (기본 90도 가정)
+        elif ("LR" in desc_upper or "LONG RADIUS" in desc_upper or "장반경" in desc_upper):
+            return {
+                "subtype": "90DEG_LONG_RADIUS",
+                "confidence": 0.8,
+                "evidence": ["LONG_RADIUS_DEFAULT_90DEG"]
+            }
+        elif ("SR" in desc_upper or "SHORT RADIUS" in desc_upper or "단반경" in desc_upper):
+            return {
+                "subtype": "90DEG_SHORT_RADIUS",
+                "confidence": 0.8,
+                "evidence": ["SHORT_RADIUS_DEFAULT_90DEG"]
+            }
+    
     # 2. 사이즈 분석이 필요한 경우 (TEE, REDUCER 등)
     if type_data.get("size_analysis"):
         if red_nom and str(red_nom).strip() and red_nom != main_nom:
diff --git a/backend/app/services/integrated_classifier.py b/backend/app/services/integrated_classifier.py
index 6c9ce44..d3f9559 100644
--- a/backend/app/services/integrated_classifier.py
+++ b/backend/app/services/integrated_classifier.py
@@ -13,7 +13,7 @@ LEVEL1_TYPE_KEYWORDS = {
     "VALVE": ["VALVE", "GATE", "BALL", "GLOBE", "CHECK", "BUTTERFLY", "NEEDLE", "RELIEF", "밸브", "게이트", "볼", "글로브", "체크", "버터플라이", "니들", "릴리프"],
     "FLANGE": ["FLG", "FLANGE", "플랜지", "프랜지", "ORIFICE", "SPECTACLE", "PADDLE", "SPACER", "BLIND", "REDUCING FLANGE", "RED FLANGE"],
     "PIPE": ["PIPE", "TUBE", "파이프", "배관", "SMLS", "SEAMLESS"],
-    "FITTING": ["SOCK-O-LET", "WELD-O-LET", "ELL-O-LET", "THREAD-O-LET", "ELB-O-LET", "NIP-O-LET", "COUP-O-LET", "SOCKOLET", "WELDOLET", "ELLOLET", "THREADOLET", "ELBOLET", "NIPOLET", "COUPOLET", "OLET", "ELBOW", "ELL", "TEE", "REDUCER", "RED", "CAP", "COUPLING", "NIPPLE", "SWAGE", "PLUG", "엘보", "티", "리듀서", "캡", "니플", "커플링", "플러그", "CONC", "ECC"],
+    "FITTING": ["SOCK-O-LET", "WELD-O-LET", "ELL-O-LET", "THREAD-O-LET", "ELB-O-LET", "NIP-O-LET", "COUP-O-LET", "SOCKOLET", "WELDOLET", "ELLOLET", "THREADOLET", "ELBOLET", "NIPOLET", "COUPOLET", "OLET", "ELBOW", "ELL", "TEE", "REDUCER", "CAP", "COUPLING", "NIPPLE", "SWAGE", "PLUG", "엘보", "티", "리듀서", "캡", "니플", "커플링", "플러그", "CONC", "ECC"],
     "GASKET": ["GASKET", "GASK", "가스켓", "SWG", "SPIRAL"],
     "INSTRUMENT": ["GAUGE", "TRANSMITTER", "SENSOR", "THERMOMETER", "계기", "게이지", "트랜스미터", "센서"],
     "SUPPORT": ["URETHANE BLOCK", "URETHANE", "BLOCK SHOE", "CLAMP", "SUPPORT", "HANGER", "SPRING", "우레탄", "블록", "클램프", "서포트", "행거", "스프링"]
diff --git a/backend/exports/PR-20251015-003.json b/backend/exports/PR-20251015-003.json
new file mode 100644
index 0000000..2e5e650
--- /dev/null
+++ b/backend/exports/PR-20251015-003.json
@@ -0,0 +1,1836 @@
+{
+  "request_no": "PR-20251015-003",
+  "job_no": "1",
+  "created_at": "2025-10-15T21:37:31.463223",
+  "materials": [
+    {
+      "material_id": 93339,
+      "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": 93341,
+      "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": 93481,
+      "description": "HALF NIPPLE, SMLS, SCH 160, ASTM A106 B SW * NPT",
+      "category": "FITTING",
+      "size": "1\"",
+      "material_grade": "ASTM A106 B",
+      "quantity": 2,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 93630,
+      "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": 93634,
+      "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": 93637,
+      "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": 93639,
+      "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": 93950,
+      "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": 93951,
+      "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": 93976,
+      "description": "90 LR ELL, SMLS, SCH 40S, ASTM A403 WP304",
+      "category": "FITTING",
+      "size": "2\"",
+      "material_grade": "ASTM A403 WP304",
+      "quantity": 6,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 93982,
+      "description": "90 LR ELL, SMLS, SCH 40, ASTM A234 WPB",
+      "category": "FITTING",
+      "size": "3\"",
+      "material_grade": "ASTM A234 WPB",
+      "quantity": 12,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 93994,
+      "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": 93998,
+      "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": 94005,
+      "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": 94006,
+      "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": 94013,
+      "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": 94015,
+      "description": "TEE, SMLS, SCH 40, ASTM A234 WPB",
+      "category": "FITTING",
+      "size": "2\"",
+      "material_grade": "ASTM A234 WPB",
+      "quantity": 4,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 94019,
+      "description": "TEE, SMLS, SCH 40S, ASTM A403 WP304",
+      "category": "FITTING",
+      "size": "2\"",
+      "material_grade": "ASTM A403 WP304",
+      "quantity": 1,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 94020,
+      "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": 94021,
+      "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": 94022,
+      "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": 94025,
+      "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": 94027,
+      "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": 94030,
+      "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": 94032,
+      "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": 94037,
+      "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": ""
+    },
+    {
+      "material_id": 94039,
+      "description": "RED CONC, SMLS, SCH 80 X SCH 80, ASTM A234 WPB",
+      "category": "FITTING",
+      "size": "1\" x 3/4\"",
+      "material_grade": "ASTM A234 WPB",
+      "quantity": 5,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 94044,
+      "description": "RED CONC, SMLS, SCH 40S X SCH 40S, ASTM A403 WP304",
+      "category": "FITTING",
+      "size": "12\" x 10\"",
+      "material_grade": "ASTM A403 WP304",
+      "quantity": 1,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 94045,
+      "description": "RED CONC, SMLS, SCH 40 X SCH 80, ASTM A234 WPB",
+      "category": "FITTING",
+      "size": "2\" x 1 1/2\"",
+      "material_grade": "ASTM A234 WPB",
+      "quantity": 6,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 94051,
+      "description": "RED CONC, SMLS, SCH 40S X SCH 40S, ASTM A403 WP304",
+      "category": "FITTING",
+      "size": "2\" x 1 1/2\"",
+      "material_grade": "ASTM A403 WP304",
+      "quantity": 1,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 94052,
+      "description": "RED CONC, SMLS, SCH 40 X SCH 80, ASTM A234 WPB",
+      "category": "FITTING",
+      "size": "2\" x 1\"",
+      "material_grade": "ASTM A234 WPB",
+      "quantity": 1,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 94053,
+      "description": "RED CONC, SMLS, SCH 40 X SCH 80, ASTM A234 WPB",
+      "category": "FITTING",
+      "size": "3\" x 1 1/2\"",
+      "material_grade": "ASTM A234 WPB",
+      "quantity": 2,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 94055,
+      "description": "RED CONC, SMLS, SCH 40S X SCH 40S, ASTM A403 WP304",
+      "category": "FITTING",
+      "size": "3\" x 1\"",
+      "material_grade": "ASTM A403 WP304",
+      "quantity": 1,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 94056,
+      "description": "RED CONC, SMLS, SCH 40 X SCH 40, ASTM A234 WPB",
+      "category": "FITTING",
+      "size": "3\" x 2\"",
+      "material_grade": "ASTM A234 WPB",
+      "quantity": 1,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 94057,
+      "description": "RED CONC, SMLS, SCH 40S X SCH 40S, ASTM A403 WP304",
+      "category": "FITTING",
+      "size": "3\" x 2\"",
+      "material_grade": "ASTM A403 WP304",
+      "quantity": 1,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 94058,
+      "description": "RED CONC, SMLS, SCH 80 X SCH 80, ASTM A234 WPB",
+      "category": "FITTING",
+      "size": "3/4\" x 1/2\"",
+      "material_grade": "ASTM A234 WPB",
+      "quantity": 2,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 94235,
+      "description": "RED. FLG SWRF SCH 40S, 150LB, ASTM A182 F304",
+      "category": "FITTING",
+      "size": "1 1/2\" x 3/4\"",
+      "material_grade": "ASTM A182 F304",
+      "quantity": 2,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 94237,
+      "description": "RED. FLG SWRF SCH 80, 150LB, ASTM A105",
+      "category": "FITTING",
+      "size": "1 1/2\" x 3/4\"",
+      "material_grade": "ASTM A105",
+      "quantity": 4,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 94241,
+      "description": "RED. FLG SWRF SCH 80, 600LB, ASTM A105",
+      "category": "FITTING",
+      "size": "1 1/2\" x 3/4\"",
+      "material_grade": "ASTM A105",
+      "quantity": 2,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 94319,
+      "description": "RED. FLG SWRF SCH 80, 150LB, ASTM A105",
+      "category": "FITTING",
+      "size": "1\" x 3/4\"",
+      "material_grade": "ASTM A105",
+      "quantity": 1,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 94935,
+      "description": "90 ELL, SW, 3000LB, ASTM A182 F304",
+      "category": "FITTING",
+      "size": "1/2\"",
+      "material_grade": "ASTM A182 F304",
+      "quantity": 2,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 94937,
+      "description": "90 ELL, SW, 3000LB, ASTM A105",
+      "category": "FITTING",
+      "size": "1\"",
+      "material_grade": "ASTM A105",
+      "quantity": 57,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 94941,
+      "description": "90 ELL, SW, 3000LB, ASTM A182 F304",
+      "category": "FITTING",
+      "size": "1\"",
+      "material_grade": "ASTM A182 F304",
+      "quantity": 9,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 94945,
+      "description": "90 ELL, SW, 3000LB, ASTM A105",
+      "category": "FITTING",
+      "size": "1 1/2\"",
+      "material_grade": "ASTM A105",
+      "quantity": 32,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 94977,
+      "description": "90 ELL, SW, 3000LB, ASTM A182 F304",
+      "category": "FITTING",
+      "size": "1 1/2\"",
+      "material_grade": "ASTM A182 F304",
+      "quantity": 9,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 95044,
+      "description": "90 ELL, SW, 3000LB, ASTM A105",
+      "category": "FITTING",
+      "size": "1/2\"",
+      "material_grade": "ASTM A105",
+      "quantity": 32,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "material_id": 95076,
+      "description": "90 ELL, SW, 3000LB, ASTM A105",
+      "category": "FITTING",
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+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "group_key": "ELL O LET, SW, 3000LB, ASTM A105|3\" x 3/4\"|undefined|ASTM A105",
+      "material_ids": [
+        95231
+      ],
+      "description": "ELL O LET, SW, 3000LB, ASTM A105",
+      "category": "FITTING",
+      "size": "3\" x 3/4\"",
+      "material_grade": "ASTM A105",
+      "quantity": 1,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "group_key": "SOCK O LET, SW, 3000LB, ASTM A105|3\" x 3/4\"|undefined|ASTM A105",
+      "material_ids": [
+        95232
+      ],
+      "description": "SOCK O LET, SW, 3000LB, ASTM A105",
+      "category": "FITTING",
+      "size": "3\" x 3/4\"",
+      "material_grade": "ASTM A105",
+      "quantity": 9,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "group_key": "SOCK O LET, SW, 3000LB, ASTM A182 F304|3\" x 3/4\"|undefined|ASTM A182 F304",
+      "material_ids": [
+        95241
+      ],
+      "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": ""
+    },
+    {
+      "group_key": "SOCK O LET, SW, 3000LB, ASTM A105|3\" x 1\"|undefined|ASTM A105",
+      "material_ids": [
+        95244
+      ],
+      "description": "SOCK O LET, SW, 3000LB, ASTM A105",
+      "category": "FITTING",
+      "size": "3\" x 1\"",
+      "material_grade": "ASTM A105",
+      "quantity": 1,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "group_key": "SOCK O LET, SW, 3000LB, ASTM A105|4\" x 3/4\"|undefined|ASTM A105",
+      "material_ids": [
+        95245
+      ],
+      "description": "SOCK O LET, SW, 3000LB, ASTM A105",
+      "category": "FITTING",
+      "size": "4\" x 3/4\"",
+      "material_grade": "ASTM A105",
+      "quantity": 1,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "group_key": "SOCK O LET, SW, 3000LB, ASTM A105|6\" x 1 1/2\"|undefined|ASTM A105",
+      "material_ids": [
+        95246
+      ],
+      "description": "SOCK O LET, SW, 3000LB, ASTM A105",
+      "category": "FITTING",
+      "size": "6\" x 1 1/2\"",
+      "material_grade": "ASTM A105",
+      "quantity": 2,
+      "unit": "EA",
+      "user_requirement": ""
+    },
+    {
+      "group_key": "SOCK O LET, SW, 3000LB, ASTM A105|6\" x 3/4\"|undefined|ASTM A105",
+      "material_ids": [
+        95248
+      ],
+      "description": "SOCK O LET, SW, 3000LB, ASTM A105",
+      "category": "FITTING",
+      "size": "6\" x 3/4\"",
+      "material_grade": "ASTM A105",
+      "quantity": 1,
+      "unit": "EA",
+      "user_requirement": ""
+    }
+  ]
+}
\ No newline at end of file
diff --git a/backend/exports/PR-20251015-003.xlsx b/backend/exports/PR-20251015-003.xlsx
new file mode 100644
index 0000000..6cc894b
Binary files /dev/null and b/backend/exports/PR-20251015-003.xlsx differ
diff --git a/frontend/src/App.jsx b/frontend/src/App.jsx
index 6492c61..2554564 100644
--- a/frontend/src/App.jsx
+++ b/frontend/src/App.jsx
@@ -939,7 +939,8 @@ function App() {
                   </div>
                 </div>
               </div>
-              )}
+            )}
+            {/* adminFeatures 조건문 닫기 */}
             </div>
           </div>
         );
diff --git a/frontend/src/pages/NewMaterialsPage.jsx b/frontend/src/pages/NewMaterialsPage.jsx
index 7b7759d..4cc717c 100644
--- a/frontend/src/pages/NewMaterialsPage.jsx
+++ b/frontend/src/pages/NewMaterialsPage.jsx
@@ -620,10 +620,36 @@ const NewMaterialsPage = ({
         
         displayType = nippleType;
       } else if (fittingType === 'ELBOW') {
-        // 엘보: 각도와 연결 방식
-        const angle = fittingSubtype === '90DEG' ? '90°' : fittingSubtype === '45DEG' ? '45°' : '';
-        const connection = description.includes('SW') ? 'SW' : description.includes('BW') ? 'BW' : '';
-        displayType = `ELBOW ${angle} ${connection}`.trim();
+        // 엘보: 각도, 반경, 연결 방식 상세 표시
+        let elbowDetails = [];
+        
+        // 각도 정보 추출
+        if (fittingSubtype.includes('90DEG') || description.includes('90') || description.includes('90°')) {
+          elbowDetails.push('90°');
+        } else if (fittingSubtype.includes('45DEG') || description.includes('45') || description.includes('45°')) {
+          elbowDetails.push('45°');
+        }
+        
+        // 반경 정보 추출 (Long Radius / Short Radius)
+        if (fittingSubtype.includes('LONG_RADIUS') || description.toUpperCase().includes('LR') || description.toUpperCase().includes('LONG RADIUS')) {
+          elbowDetails.push('LR');
+        } else if (fittingSubtype.includes('SHORT_RADIUS') || description.toUpperCase().includes('SR') || description.toUpperCase().includes('SHORT RADIUS')) {
+          elbowDetails.push('SR');
+        }
+        
+        // 연결 방식
+        if (description.includes('SW')) {
+          elbowDetails.push('SW');
+        } else if (description.includes('BW')) {
+          elbowDetails.push('BW');
+        }
+        
+        // 기본값 설정 (각도가 없으면 90도로 가정)
+        if (!elbowDetails.some(detail => detail.includes('°'))) {
+          elbowDetails.unshift('90°');
+        }
+        
+        displayType = `ELBOW ${elbowDetails.join(' ')}`.trim();
       } else if (fittingType === 'TEE') {
         // 티: 타입과 연결 방식
         const teeType = fittingSubtype === 'EQUAL' ? 'EQ' : fittingSubtype === 'REDUCING' ? 'RED' : '';
@@ -1493,12 +1519,8 @@ const NewMaterialsPage = ({
       const timestamp = new Date().toISOString().split('T')[0];
       const fileName = `${jobNo}_${selectedCategory}_${timestamp}.xlsx`;
       
-      // 기존 엑셀 내보내기 함수 사용
-      await exportMaterialsToExcel(
-        dataWithRequirements,
-        fileName,
-        userRequirements
-      );
+      // 엑셀 파일명 설정
+      const excelFileName = fileName;
       
       // 2단계: 생성된 엑셀을 서버에 업로드 (구매신청과 함께)
       // 서버에 구매신청 생성
@@ -1583,7 +1605,7 @@ const NewMaterialsPage = ({
         // 실패해도 엑셀은 내보내기
       }
       
-      // 개선된 엑셀 내보내기 함수 사용
+      // 엑셀 내보내기 (한 번만 실행)
       const additionalInfo = {
         filename: filename || bomName,
         jobNo: jobNo,
@@ -1591,8 +1613,6 @@ const NewMaterialsPage = ({
         uploadDate: new Date().toLocaleDateString()
       };
       
-      const excelFileName = `${selectedCategory}_${jobNo || 'export'}_${new Date().toISOString().split('T')[0]}.xlsx`;
-      
       exportMaterialsToExcel(dataWithRequirements, excelFileName, additionalInfo);
       
       console.log('✅ 엑셀 내보내기 성공');