X12CrNiTi18.9 1.4878德国不锈钢
1.5860 16NiCr4..
X15CrCoMoV10-1..
XnIWv13-13 1.2..
GS-38MnSi4 1.5..
X12CrNiTi18.9 ..
X20CrNi18-10 1..