9Cr18Mo 9Cr18Mo不锈钢棒
5Cr4Mo2W2VSi热作..
5Cr21Mn9Ni4N耐热..
7Cr7Mo2V2Si冷作模..
7Mn15Cr2Al3V2W..
5CrNiMoV 5CrNi..
9Cr18MoV 9Cr18..