ASTM A234 WPB Return Bends, ASTM A234 WP11 Return Bends, ASTM A234 WP22 Return Bends, ASTM A234 WP5 Return Bends, ASTM A234 WP12 Return Bends, ASTM A234 WP9 Return Bends, ASTM A234 WP91 Return Bends, 1.0D Return Bends, 1.5D Return Bends 

We supply butt welding steel pipe fittings, which in accordance with standards of GB, ASNI, JIS, EN and DIN; with mainly materials are Stainless steel, Carbon Steel and Alloy Steel; with the manufacturing standards of ASME B16.28, ASME B16.9 and ASTM B16.25; and with the materials' standards of ASTM A403, ASTM A234. Steel return bends are 180 degrees, Long Radius and Short Radius, which are mostly used in the fields of Petroleum, Petrochemical, Electricity and Shipbuilding Industries. We have got the approval of ISO9001, PED and AD2000WO.