德国轴承钢100CR2(W1)1.3501105CR4(W2)1.3503100CR6(W3)1.3505100CRMNSI6-4100CRMN6(W4)1.3520100CRMO7-3(W5)1.3536X108CRMO17X102CRMO171.3543X89CRMOV18-11.354980MOCRV42-161.3551X82WMOCR6-5-21.3553国标标准化***表面硬化结构钢C10C15E4C15M220CR420CRS416MNCR516MNCRS520MNCR520MNCRS520NICRMO220NICRMOS218CRNIMO7表面硬化结构钢20CR4H20CRS4H16MNCR5H16MNCRS5H20MNCR5H20MNCRS5H20NICRMO2H20MNCRS2H18CRNIMO7H国际标准化***渗氮结构钢31CRMO1233CRALMO5441CRALMO74国际标准化***调质结构钢C18C20C20E4C20M2C25C25E4C25M2C30C30E4C30M2C35C35E4C35M2***0***0E4***0M2***5***5E4***5M2C50C50E4C50M2C55C55E4C55M2C60C60E4C60M228MN636MN642MN634CR434CRS437CR437CRS441CR441CRS425CRMO425CRMOS434CRMO434CRMOS442CRMO442CRMOS450CRMO436CRNIMO436CRNIMO631CRNIMO851CRV6国际标准化***非合金调质结构钢C35E4HC35M2H***0E4H***0M2H***5E4H***5M2HC50E4HC50M2HC55E4HC55M2HC60E4HC60M2H)