非合金用钢 S S235J2 S235J0 S235J2 S275JR S275J0 S275J2 S355JR S355J0 S355J2 S355K2 S450J0 E E E360
低合金和耐候钢 P335M P335ML1 P335ML2 P420M P420ML1 P420ML2 P460M P460ML1 P460ML2 P355Q P355QH P355QL1 P355QL2 P460Q P460QL1 P460QL2 P500Q P500QH P500QL1 P500QL2 P690Q P690QL1 P690QL2 S235J0W S235J2W S355J0W S355J2G1W S355J2G2W S355K2G1W S355K2G2W S345J0WH S345GWH S345J0WPT
优质碳结钢 C22E C22R C3C60 C60E C35E C35R C40 C40E C40R C45 C45E C45R C50E C50R C55 C55E C55R C60 C60E C60R 28Mn6 040AO4 O40A10 O40A12
080A15 080A17 080A42 070M55 080M15 060A72 060A78 040A04 040A10 040A12 045A10 045M10 055M15 060A62 060A67