... delivery flange 5.ISO,API,CE Stainless steel flange 1. Material: stainless steel,alloy steel,carbon steel 2. Size range: FROM 1/2" TO 60" 3.Pressure: ... WP316/316L, WP321, WP347, WPS 312545 Duplex$super duplex stainless steel ASTM A 815 UNS S31803, UNS S32750, UNS S32760 STANDARDSANSI, ISO ... , F316/316L, F321, F347, 5 Duplex$super duplex stainless steel ASTM A 182 F51/UNS S31803, F53/UNS S32F50, F55/UNS ...