各国碳素结构钢、工程用钢、优质碳素结构钢、合金结构钢钢号速查表

720MC520MnCr5SMnC42020XГ——5120G512003920CrMnsi20XГС4030CrMnSi—————30XГС————4135CrMnSiA35XГСA4220CrMnMo————SCM42118XГM——4119—4340CrMnMo42CrMo41.7225—42CrMo4SCM44040XГM—708A424142G414204420CrMnTi18XГТ30MnCrTi41.8401———————4530CrMnTi30XГТ4620CrNi4740CrNi40NiCr61.5711—————640M403140C314004850CrNi4912CrNi1214NiCr1O1.573214NC11—SNC41512XH2A——3415—665A125012CrNi314NiCr141.575214NC1215NiCr13SNC81512XH3A—331OC33106665M135120CrNi3——20NC11——20XH3A————5230CrNi331NiCr141.575530NC11—SNC83630XH3A—653M313435—5312Cr2Ni414NiCr181.586012NC15——12X2H4A—659M152515—5420Cr2Ni4202H4A14NiCr141.575218NC13—SNC815—665M133316—5518Cr2Ni4WA18X2H4BA5620CrNiMo21NiCrMo21.652320NCD220NiCrMo2SNCM22020XHM2506805M208620G8620040XHM5740CrNiMo36CrNiMo41.651140NCD3—SNCM43945XH2M—816M404340G434005845CrNiMoVA-ФA?中国YB标准旧钢号。?英国BS标准旧钢号。