... , SCH 10 ~ SCH 160 Material Code:1 CARBON STEEL ASTM A234 WPB, WPC; ASTM A420 WPL9, WPL3, WPL6, WPHY-42WPHY-46, WPHY ... , Incoloy 800H, Incoloy 825, Hastelloy C276, Monel 400, Monel K500WPS 31254 S32750, UNS S32760 4 STAINLESS STEEL ASTM A403 WP304/304L, WP316/316L ... , WP321, WP347, WPS 312545 DUPLEX & SUPER DUPLEX STAINLESS STEEL ASTM A 815 UNS S31803, UNS S32750, UNS S32760 STANDARDSANSI, ISO ...