GH4220、GH4302SCM425H SCM435H SCM440H SCM445H SCM822H SNC415H SNC631H SNC815H SNCM220H SNCM240H? 
冷墩鋼：SWRCH6R SWRCH8R SWRCH10R SWRCH12R SWRCH15R SWRCH17R SWRCH6A SWRCH8A SWRCH10A SWRCH12A SWRCH15A SWRCH16A SWRCH18A SWRCH19A SWRCH20A SWRCH22A SWRCH25A SWRCH10K SWRCH12K SWRCH15K SWRCH16K SWRCH17K SWRCH18K SWRCH20K SWRCH22K SWRCH24K SWRCH25K 熱模合金鋼有高淬透性，高硬度，高耐磨，淬火變形小，韌性好。