W7M04Cr4V W7 0.83 7.00 4.00 4.00 1.65 W-M0 series, similar to Ws, but overcomes its crack sensitivity, HRC≥62. Instead of W9 to manufacture lathe tool, bit of a drill, milling cutter and saw blade, etc...
1/5
Differential Mechanism Shell (YU006)
2014-03-04 11:098990询价
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