... ,WPL3,WPL6A;ST 37.2. Butt welding Elbow1.Type:45 / 90 / 180 , Long / Short Radius Elbows2.Size: From ½ up to 72 ... equipment, aviation, boiler heat, exchanger, gas metallurgy, shipbuilding, construction, etc.8.Min Order Quantity: 10 pcsDelivery Time: According to customer's ... ,TUV,and other party alloyed by clients. long radius 180 degree elbow