描述
Specification
D*L: Φ39*100 – Φ138*275
Material: 45#, 40Cr, 42CrMo
Heat Treatment: Body hardness HB280-320, surface blackening treatment
Lifespan: Average use of mold times> 500,000 molds/time
Remark: Customized based on customer requirement
菜单
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