1Mn18Cr18N护环 50Mn18Cr5无磁
1Cr9Mo1VNbN圆钢
1Cr12Ni2WMoVNb圆钢
1Mn18Cr18N护环 5..
0Cr18Ni10Ti不锈钢
Mn13扁钢 Mn13圆钢
X12CrNiMoVA12-2