·20Cr1Mo1VTiB_20Cr
·30CrMnSiNi2A_30Cr
·GCr15SiMn|GCr15Si
·20Cr1Mo1VNbTiB,20
·SA387Gr22CL2|SA38
·XAR400|XAR400执行标准
·1Cr5Mo|1Cr5Mo用途|1
·40MnB|40MnB硬度|40M
·15CrMo|15CrMo特性|1