diff --git a/app/Services/Quote/Handlers/KyungdongFormulaHandler.php b/app/Services/Quote/Handlers/KyungdongFormulaHandler.php
index 32aa24d..0cf544a 100644
--- a/app/Services/Quote/Handlers/KyungdongFormulaHandler.php
+++ b/app/Services/Quote/Handlers/KyungdongFormulaHandler.php
@@ -385,7 +385,7 @@ public function calculateSteelItems(array $params): array
         $caseCapSpec = $this->convertToCaseCapSpec($caseSpec);
         $caseCapPrice = $this->priceService->getCaseCapPrice($caseCapSpec);
         if ($caseCapPrice > 0) {
-            $capQty = 2 * $quantity;  // 좌우 2개
+            $capQty = $quantity;  // 5130: maguriPrices × $su (수량)
             $items[] = [
                 'category' => 'steel',
                 'item_name' => '케이스 마구리',
@@ -618,20 +618,47 @@ public function calculatePartItems(array $params): array
             ];
         }
 
-        // 2. 각파이프
+        // 2. 각파이프 (5130: col68=3000mm 수량, col69=6000mm 수량)
         $pipeThickness = '1.4';
-        $pipeLength = $width > 3000 ? 6000 : 3000;
-        $pipePrice = $this->getPipePrice($pipeThickness, $pipeLength);
-        if ($pipePrice > 0) {
-            $items[] = [
-                'category' => 'parts',
-                'item_name' => '각파이프',
-                'specification' => "{$pipeThickness}T {$pipeLength}mm",
-                'unit' => 'EA',
-                'quantity' => $quantity,
-                'unit_price' => $pipePrice,
-                'total_price' => $pipePrice * $quantity,
-            ];
+        $pipe3000Qty = (int) ($params['pipe_3000_qty'] ?? 0);
+        $pipe6000Qty = (int) ($params['pipe_6000_qty'] ?? 0);
+
+        // 기본값: 둘 다 0이면 레거시 로직 (W0 기준 자동 결정)
+        if ($pipe3000Qty === 0 && $pipe6000Qty === 0) {
+            if ($width > 3000) {
+                $pipe6000Qty = 1;
+            } else {
+                $pipe3000Qty = 1;
+            }
+        }
+
+        if ($pipe3000Qty > 0) {
+            $pipe3000Price = $this->getPipePrice($pipeThickness, 3000);
+            if ($pipe3000Price > 0) {
+                $items[] = [
+                    'category' => 'parts',
+                    'item_name' => '각파이프',
+                    'specification' => "{$pipeThickness}T 3000mm",
+                    'unit' => 'EA',
+                    'quantity' => $pipe3000Qty,
+                    'unit_price' => $pipe3000Price,
+                    'total_price' => $pipe3000Price * $pipe3000Qty,
+                ];
+            }
+        }
+        if ($pipe6000Qty > 0) {
+            $pipe6000Price = $this->getPipePrice($pipeThickness, 6000);
+            if ($pipe6000Price > 0) {
+                $items[] = [
+                    'category' => 'parts',
+                    'item_name' => '각파이프',
+                    'specification' => "{$pipeThickness}T 6000mm",
+                    'unit' => 'EA',
+                    'quantity' => $pipe6000Qty,
+                    'unit_price' => $pipe6000Price,
+                    'total_price' => $pipe6000Price * $pipe6000Qty,
+                ];
+            }
         }
 
         // 3. 모터 받침용 앵글 (bracket angle)