SA516 Gr.70/SA516 GR.60/SA516 GR.55

Grades: Q245R, Q345R, 16MnDR,09MnNiDR,15CrMoR   (S)A516 Gr.70,(S)A387 Gr.(5/11/12/22),P355GH Uses: Petroleum, chemical industry, power station, boiler, pressure equipment, etc. Chemical Composition Grade thickness C max SI Mn P max S max (S)A516 Gr.55 ≤12.5mm 0.18 0.13~0.45 0.55~0.98 0.035 0.035 (S)A516 Gr.55 ＞12.5~50mm 0.20 0.13~0.45 0.55~1.30 0.035 0.035 (S)A516 Gr.55 ＞50~100mm 0.22 0.13~0.45 0.55~1.30 0.035 0.035 (S)A516 Gr.60 ≤12.5mm 0.21 0.13~0.45 0.55~0.98 0.035 0.035 (S)A516 Gr.60 ＞12.5~50mm 0.23 0.13~0.45 0.79~1.3 0.035 0.035 (S)A516 Gr.60 ＞50~100mm 0.25 0.13~0.45 0.79~1.3 0.035 0.035 (S)A516 Gr.65 ≤12.5mm 0.24 0.13~0.45 0.79~1.3 0.035 0.035 (S)A516 Gr.65 ＞12.5~50mm 0.26 0.13~0.45 0.79~1.3 0.035 0.035 (S)A516 Gr.65 ＞50~100mm 0.28 0.13~0.45 0.79~1.3 0.035 0.035 (S)A516 Gr.70 ≤12.5mm 0.27 0.13~0.45 0.79~1.3 0.035 0.035 (S)A516 Gr.70 ＞12.5~50mm 0.28 0.13~0.45 0.79~1.3 0.035 0.035