Duplex Steel - Alloy 2205, Super Duplex Steel - Alloy 2507 : Pipes / Tubes : ASME SA / ASTM A789 / A928 / A790 Plates / Sheets : A240 Bars / Wire Rods : A276 BW Pipe Fittings : A815 Grades : UNS S32205, UNS S31803, UNS S32750, UNS S32760, UNS S32550 Socket Weld, Threaded Forged Fittings & Flanges : A182 Gr.F51 UNS S31803, A182 Gr.F60 UNS S32205, A182 Gr.F53 UNS S32750, A182 Gr.F55 UNS S32760