弹簧钢和轴承钢38Si745SiCrV6-246Si746SiCrMo650SiCrMo651CrV452CrMoV454SiCr654SiCrV655Cr356Si756SiCr760Cr360CrMo3-160CrMo3-260CrMo3-361SiCr7251A85251A60251H60525A58525A60685A57704A60705A60705H60735A51735A54805H60925A60251A85251H60251A60525A58525A60535A99805A20832H13***用钢和精品钢材40DD40E40EE43DD43E43EE50E50EE50F55C50EE55F43C43D43EE50C50D50EE55C55EE55F固定海上焊接结构钢用低合金275D275E275EZ355D355E355EM355EMZ450EM450EMZ275D275E275EZ355D355EM355EMZ275D275E355D355EM450EMBS航空标准S系列和T系列结构钢6S.12S.23S.33S.64S.113S.145S.153S.204S.213S.243S.28S.65S.67S.693S.70S.712S.76S.773S.792S.812S.825S.82S.84S.9013S.912S.922S.932S.943S.952S.962S.974S.993S.1054S.1063S.1072S.1122S.1132S.114S.1152S.1162S.117-------------------此信息由本公司提供：材质，性能，化学成分，质量，规格，价格，材质对照。参数--------------------)