... ''-48'' 4.standard:ASTM DIN EN BS,JIS Stainless steel fittings Grade 304, 304L, 316L, 316Ti, 321, 310, 317L,904L ... etcWe carry butt weld stainless pipe fittings, socket weld stainless fittings and screw type stainless steel fittings in a variety of sizes. ... represents size range, product standards and material grades of Pipe Fittings. TypeBUTT-WELDING, FORGED/CASTING THREAD SOCKET-WELD.Item90° ELBOW ( ...