大梁钢(高强钢):S315MC S355MC S420MC S460MC S500MC BS550MC BS600MC BS650MC BS700MC BS960MC BS600MCJ4 BS700MCK2 BS960MCJ4 B510L B550L B550CL B750L B610L B650L Q500D Q550D BSM590 BS850
专用车铺底板用冷轧高强钢:B800NQ B600GNQR B750/1200G B550/780G HC500/780MS HC700/900MS HC700/980MS HC950/1180MS HC1030/1300MS HC1150/1400MS HC1200/1500MS B340/780TR B440/780TR B550/780TR QP980 HC420/780DP HC500/780DP


