... WP347, WPS 312545 Duplex$super duplex stainless steel ASTM A 815 UNS S31803, UNS S32750, UNS S32760 ... 160Material Code:1 CARBON STEELASTM A105, ASTM A350 LF1/ LF2/LF3, ASTM ASTM A694 F42/F46/F52/F56/F60 ... Code:1 CARBON STEELASTM A105, ASTM A350 LF1/ LF2/LF3, ASTM ASTM A694 F42/F46/F52/F56/F60 ... , F12, F22, F913 STAINLESS STEEL STANDARDSCE and certification:ASTM A182 F304/304L, F316/316L, F321, F347, ANSI ...