... 4 STAINLESS STEEL ASTM A403 WP304/304L, WP316/316L, WP321, WP347, WPS 312545 Duplex$super duplex ... F42/F46/F52/F56/F60/F65/F702 ALLOY STEELASTM A182 F1, F5, F7, F9, F11, F12, ... S32750, UNS S32760 4 STAINLESS STEEL ASTM A182 F304/304L, F316/316L, F321, F347, 5 Duplex$super duplex ... F22, F913 STAINLESS STEEL STANDARDSCE and certification:ASTM A182 F304/304L, F316/316L, F321, F347, ANSI, ISO, JIS, DIN ...