diff --git a/src/components/production/WorkOrders/WorkOrderDetail.tsx b/src/components/production/WorkOrders/WorkOrderDetail.tsx
index f67ee716..c74258fd 100644
--- a/src/components/production/WorkOrders/WorkOrderDetail.tsx
+++ b/src/components/production/WorkOrders/WorkOrderDetail.tsx
@@ -34,6 +34,7 @@ import {
   SCREEN_PROCESS_STEPS,
   SLAT_PROCESS_STEPS,
   BENDING_PROCESS_STEPS,
+  filterBendingSteps,
   type WorkOrder,
   type ProcessType,
   type ProcessStep,
@@ -56,13 +57,15 @@ function ProcessStepPills({
   processType,
   currentStep,
   workSteps,
+  itemCodes,
 }: {
   processType: ProcessType;
   currentStep: number;
   workSteps?: ProcessStep[];
+  itemCodes?: string[];
 }) {
   // 동적 workSteps 우선 사용, 없으면 하드코딩 폴백
-  const steps = workSteps && workSteps.length > 0
+  let steps = workSteps && workSteps.length > 0
     ? workSteps
     : processType === 'screen'
       ? SCREEN_PROCESS_STEPS
@@ -70,6 +73,11 @@ function ProcessStepPills({
         ? SLAT_PROCESS_STEPS
         : BENDING_PROCESS_STEPS;
 
+  // 절곡 공정: BD 코드에 따라 필요한 단계만 필터링
+  if (processType === 'bending' && itemCodes && itemCodes.length > 0) {
+    steps = filterBendingSteps(itemCodes, BENDING_PROCESS_STEPS);
+  }
+
   if (steps.length === 0) {
     return <p className="text-gray-500">공정 단계가 설정되지 않았습니다.</p>;
   }
@@ -495,6 +503,7 @@ export function WorkOrderDetail({ orderId }: WorkOrderDetailProps) {
               processType={order.processType}
               currentStep={order.currentStep}
               workSteps={order.workSteps}
+              itemCodes={order.items?.map((i) => i.itemCode).filter(Boolean) as string[]}
             />
           </div>
 
diff --git a/src/components/production/WorkOrders/types.ts b/src/components/production/WorkOrders/types.ts
index 35d4e496..d47ff561 100644
--- a/src/components/production/WorkOrders/types.ts
+++ b/src/components/production/WorkOrders/types.ts
@@ -95,6 +95,54 @@ export const BENDING_PROCESS_STEPS: { key: BendingProcessStep; label: string; or
   { key: 'inspection', label: '검사', order: 4 },
 ];
 
+// BD 코드 종류코드 → 필요 작업단계 매핑
+export const BENDING_STEP_MAP: Record<string, BendingProcessStep[]> = {
+  'R': ['guide_rail', 'inspection'],    // 가이드레일-벽면
+  'S': ['guide_rail', 'inspection'],    // 가이드레일-측면
+  'C': ['case', 'inspection'],          // 케이스
+  'B': ['bottom_finish', 'inspection'], // 하단마감재-스크린
+  'T': ['bottom_finish', 'inspection'], // 하단마감재-철재
+  'L': ['guide_rail', 'inspection'],    // L-Bar
+  'G': ['guide_rail', 'inspection'],    // 연기차단재
+};
+
+/**
+ * BD 코드에서 종류코드 추출 (BD-{종류코드}{규격코드}-{길이코드})
+ * 예: BD-RS-30 → 'R', BD-CF-35 → 'C'
+ */
+export function extractBendingTypeCode(itemCode: string): string | null {
+  const match = itemCode.match(/^BD-([A-Z])/);
+  return match ? match[1] : null;
+}
+
+/**
+ * 작업지시 품목들의 BD 코드로 필요한 작업단계 필터링
+ * 여러 품목이면 합집합(union), BD 코드 아닌 품목이면 전체 반환
+ */
+export function filterBendingSteps(
+  itemCodes: string[],
+  allSteps: typeof BENDING_PROCESS_STEPS
+): typeof BENDING_PROCESS_STEPS {
+  if (!itemCodes.length) return allSteps;
+
+  const neededKeys = new Set<string>();
+  let hasNonBdItem = false;
+
+  for (const code of itemCodes) {
+    const typeCode = extractBendingTypeCode(code);
+    if (typeCode && BENDING_STEP_MAP[typeCode]) {
+      BENDING_STEP_MAP[typeCode].forEach((k) => neededKeys.add(k));
+    } else {
+      hasNonBdItem = true;
+    }
+  }
+
+  // BD 코드가 아닌 품목이 있거나 매핑 결과가 없으면 전체 반환
+  if (hasNonBdItem || neededKeys.size === 0) return allSteps;
+
+  return allSteps.filter((step) => neededKeys.has(step.key));
+}
+
 // 품목 상태
 export type ItemStatus = 'waiting' | 'in_progress' | 'completed';
 
@@ -109,6 +157,7 @@ export interface WorkOrderItem {
   id: string;
   no: number;
   status: ItemStatus;
+  itemCode: string;
   productName: string;
   floorCode: string;    // 층/부호
   specification: string; // 규격
@@ -255,6 +304,7 @@ export interface WorkOrderItemApi {
   id: number;
   work_order_id: number;
   item_id: number | null;
+  item?: { id: number; code: string } | null;
   item_name: string;
   specification: string | null;
   quantity: number;
@@ -471,6 +521,7 @@ export function transformApiToFrontend(api: WorkOrderApi): WorkOrder {
       id: String(item.id),
       no: idx + 1,
       status: (item.status as ItemStatus) || 'waiting',
+      itemCode: item.item?.code || '',
       productName: item.item_name,
       floorCode: [item.source_order_item?.floor_code, item.source_order_item?.symbol_code].filter(Boolean).join('/') || '-',
       specification: item.specification || '-',