... tube2) Application: pipes for usual structure and machines 3) Model No.: ASTM A106 grade A/B, API 5L, X52, X42, ... (ASME),etcASTM A-106 and ASTM A-53 Grade BChemical composition, %, no moreCMnSiPSCr0.17- 0.240.35- 0.650.17- 0.370.0350.0400.25Mechanical ... properties of seamless carbon steel pipes, no less thanTensile ...