... ,T/T 5.ISO,CE,API Carbon Steel Pipe Fitting 1. Material: stainless steel,alloy steel,carbon steel 2. Size range: FROM 1/2 ... , WP316/316L, WP321, WP347, WPS 312545 Duplex$super duplex stainless steel ASTM A 815 UNS S31803, UNS S32750, UNS S32760 STANDARDSANSI ... & HIC Fittings for Off-Shore Applications Production Facility Certificate: Package: The eighteenth National Congress of the CPC pipe fittings