... :1/2''-48'' 4.standard:ASTM DIN EN BS,JIS Stainless steel fittings Grade 304, 304L, 316L, 316Ti, 321, 310, 317L,904L ... Duplex, Super Duplex etcWe carry butt weld stainless pipe fittings, socket weld stainless fittings and screw type stainless steel fittings in a variety of sizes. Application: ... SCH10S / SCH40S / SCH80S / SCH 120SSize1/2" - 48"MethodSEAMLESS AND ERWstainless steel butt weld fittings