carbon steel seamless pipe ASTM A106 1.O.D:10mm-114.3mm ... 3.Executive Standard :API SPEC 5L carbon steel seamless pipe ASTM A106 Product namecarbon steel seamless pipe ASTM A106O.D(outside diameter ... A,A106 B,A106 C,X42,X46,X52,X56,A25 I,A25 II,A,B,SA213 T11,SA213 T12,SA213 T22 ...