易切削结构钢冷拉材料13MF418MF535FM645MF6.145MF6弹簧钢和轴承钢***236NiCrMo1640Si745Cr445SiCrMo645SiCrV646Si750SiCrMo651CrMoV451CrV451Si752SiCrNi554SiCrV655Cr356SiCr756SiCrV760Cr360CrMo360CrMo460NiCrMo260Si760SiCr360SiCrV761SiCr713NiCr1415NiCrMo16-516NiCrMo1320MnCr420MnCrNi420NiCrMo221NiCrMo743CrMo444Cr248CrMo480MoCrV42-16100Cr6100Cr8100CrMn7100CrMnMo8100CrMo7-2100CrMo7-3100CrMo8-3***8E3C54E4C55E3C70E3X12MoCrNi4-4-3X46Cr13X75WCrV18-4-1X82WMoCrV6-5-4X85WMoCrV6-5-4X89CrMoV18-1X105CrMo17--------------------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--------------------)