德国DIN-EN标准轴承钢:100Cr2w11.3501105Cr4W21.3503100Cr6B1w31.3505100CrMnSi4-4B2100CrMnSi6-4B3100CrMnSi6-6B4100CrMn6W41.3520100CrMo7B5100CrMo7-3B6100CrMo7-4B7100CrMnMoSi8-4-6B8W51.3536X108CrMo17X102CrMo171.3543X89CrMoV42-161.3551X82WMoV6-5-21.3553……)