... Standard 1. ASTM A 53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and ... purposes5.DIN 2448 SEAMLESS STEEL PIPES AND TUBES6.EN 10210 Seamless structural steel pipes Steel GradeASTM A 53 Grade A ... STKM 12EN 10210 S235JRH, S275J0H, S275J2H, S355J0H, S355J2H TestChemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength,Elongation), ...