... Material:1) Carbon Steel: ASTM A234WPB, WPC;ASTM A420 WPL9, WPL3, WPL6A; ST 37.2.2) Stainless Steel: ASTM A403 WP304/304L, ... WP316/316L,WP321,WP3473) Alloy Steel: ASTM A324 WP1, WP12, WP11 ... Duplex & Super Duplex Stainless Steel :ASTM A815, UNS S31803,UNS S32750, UNS S327605) Austenitic Stainless Steel6) Biphase Stainless Steel7) Low Temperature ...