... HG, MSS, JIS, DIN, APIMaterial1) Carbon Steel: ASTM A234WPB, WPC; ASTM A420 WPL9, WPL3, WPL6A; ST 37.2.2 ... WP304/304L, WP316/316L, WP321, WP3473)Alloy Steel: ASTM A324 WP1, WP12, WP11, WP22, WP5, WP9, ... WP914)Duplex & Super Duplex Stainless Steel: ASTM A815 UNS S31803, UNS S32750, UNS S32760PackagingWooden Cases, wooden ... made under the ISO9001: 2000 strictly. Seamless Pipe Fitting (Steel Tee)