... :carbon steel . Size:1/2"-48"(DN15-DN600). Standard:ANSI, ASTM,MSS, JIS,DIN,EN BUTT WELDED FITTINGSProduction Name45 / 90 / 180 , Long / Short ... Duplex$super duplex stainless steel ASTM A 815 UNS S31803, UNS S32750, UNS S32760 STANDARDSANSI, ISO, JIS, DIN, BS,GB, SH, HG,QOST,ETC ... & HIC Fittings for Off-Shore Applications elbow, flange, tee,valve, ASME BS DIN JIS carbon steel pipe fittings