Cr12MoV模具钢

Cr12MoV钢的淬透性、淬火回火的硬度、耐磨性、强度均比Cr12高。形状复杂、工作条件繁重下的各种冷冲模具和工具，如冲孔凹模、切边模、滚边模、钢板 深拉伸模、圆锯、标准工具和量规、螺纹滚模等。

化学成份：

碳 C ：1.45～1.70 

硅 Si：≤0.40 

锰 Mn：≤0.40 

硫 S ：≤0.030

磷 P ：≤0.030 

铬 Cr：11.00～12.50

镍 Ni：允许残余含量≤0.25 

铜 Cu：允许残余含量≤0.30 

钒 V ：0.15～0.30 

钼 Mo：0.40～0.60

 力学性能：
硬度 ：退火,255～207HB,压痕直径3.8～4.2mm;淬火,≥60HRC

       Cr12MoV模具钢淬透性、淬火回火后的硬度、强度、韧性比CR12高，直径为300~400mm以下的工件可完全淬透，淬火变形小，但高温塑性较差。Cr12MoV多用于制造截面较大、形状复杂、工作负荷较重的合种模具和工具。如冲孔凹模、切边模、滚边模、钢板等。

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