Hebei Lufeng Piping Equipment Co., Ltd.
Carbon /Alloy steel pipes, ERW steel pipes, API 5L LSAW&SSAW, ASME B16.9/MSS SP-75 BW pipe fittings, ASME B16.5/16.47 steel flanges, ASME B16.11/MSS SP-97 forged fittings, Knife gate valves, Butterfly
Custom Standard: ANSI/ASME
Stud Boltand Nut Size: from 1/4-inch to 4 inches (Length to 20 inches max.)
Stud Bolt and Nut Material: A193 B7/A194 2H; A193 B7M/A194 2HM; A320 L7/A194 7; A320 L7M/A194 7M
Custom Surface: black,cadmium plated, plated
Custom Color: Black, Green, Blue, Red and others