... C,T/T 5.ISO,CE,API Carbon Steel Pipe Fitting 1. Material: stainless steel,alloy steel,carbon steel ... /304L, WP316/316L, WP321, WP347, WPS 312545 Duplex$super duplex stainless steel ASTM A 815 UNS S31803, UNS S32750 ... F304/304L, F316/316L, F321, F347, 5 Duplex$super duplex stainless steel ASTM A 182 F51/UNS S31803, F53 ... Applications Production Facility Certificate: Package: carbon steel pipe,pipe fitting