7冷墩钢和紧固件用钢：SWRCH6R、SWRCH8R、SWRCH10R、SWRCH12R、SWRCH15R、SWRCH17R、SWRCH6A、SWRCH8A、SWRCH10A、SWRCH12A、SWRCH15A、SWRCH16A、SWRCH18A、SWRCH19A、SWRCH20A、SWRCH22A、SWRCH10K、SWRCH12K、SWRCH15K、SWRCH16K、SWRCH17K、SWRCH18K、SWRCH20K、SWRCH22K、SWRCH24K、SWRCH25K、SWRCH27K、SWRCH30K、SWRCH33K、SWRCH35K、SWRCH38K、SWRCH40K、SWRCH41K、SWRCH43K、SWRCH45K、SWRCH48K、SWRCH50K / SNB5-1、SNB7-2、SNB16-3、SNB21-1~5、SNB22-1~5、SNB23-1~5、SNB24-1~5

8弹簧钢和轴承钢：SUP3、SUP6、SUP7、SUP9、SUP9A、SUP10、SUP11A、SUP12、SUP13 / SUJ1、SUJ2、SUJ3、SUJ4、SUJ5