... )Chemical composition &Mechanical PropertyStandardSteel GradeChemical Composition %T S MPaYSMPaElongation% CMnPS MINAPI-5LB0.271.150 ... heat supplySteel Grade1>GB/T 13793, GB/T 6728, GB 15831, SY/T 5040,CJ/T 3022Q195, Q215, Q235, ... Q275, Q295, Q345, 08F, 08, 08AL, 08F, 10F, 10, HG5, DF08 SPHC, M82>BS ... A500, ASTM A 53 Gr. A, Gr B, Gr C, Gr.D5>JIS G 3466 SS330, SS440, ...