steel pipe sockets Type: full sockets and half sockets Certificate:ISO9001 Our Ranges MaterialCarbon steel, Stainless steel and AlloyStandardANSI B1.20.1, ASTM A733/ A53 /A106, ST37-2EN10241, BS1387, ISO7-1,DIN2999, DIN2986SpecificationFull socket, Half socketSurfaceHot dipped galvanized, Cold galvanized, BlackSize1/8"---6"GradeHeavy series, Standard series, Medium series, Light ...