供应广东40Mn2钢板==江西45Mn2钢材=============45Mn2钢材表面硬化钢：制成的零件通过某种热片处理可以得到坚硬耐磨的表面层和柔韧适当的心部。如齿轮为了传递扭矩，45Mn2钢材必须有足够强度，在换挡过程中又承受冲击负荷，又要求有韧性，在啮合过程中，齿轮又承受强烈的磨损而就有耐磨性因此，齿轮应具有整体强度高和“表硬内韧”的性能。



===============俊峰冷镦钢：SWRCH10A SWRCH15A SWRCH16A SWRCH18A SWRCH19A SWRCH20A SWRCH22A SWRCH25A SWRCH10K SWRCH12K SWRCH15K SWRCH16K SWRCH17K SWRCH18K SWRCH20K SWRCH22K SWRCH24K SWRCH25K SWRCH27K SWRCH30K SWRCH33K SWRCH35K SWRCH38K SWRCH40K SWRCH41K SWRCH43K SWRCH45K SWRCH48K SWRCH50K SWCH6R SWCH8R SWCH10R SWCH6A SWCH8A SWCH10A SWCH12R SWCH15R SWCH12A SWCH15A SWCH10K SWCH12K SWCH17R