... , S-135Pipe steel, Black andhot-dipped, Zinc-coated,welded an seamlessASTM A53/A53MA, BStandard specification for Seamless ... for High-PressureServiceASTM A192/A192MA192Standard specification forHot-Formed Welded andSeamless Carbon SteelStructural Tubing in Rounds and ... A500A, B, C, DStandard specification forHot-Formed Welded andSeamless Carbon SteelStructural TubingASTM A501A501Alloy steel tubes for ...