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求购模具钢，冷作模具钢，热作模具钢，高速钢，H13模具钢，Cr12MoV模具钢，Cr12模具钢，DC-53模具钢，D2模具钢，SKD11模具钢，9CrWMn油钢，Cr8模具钢，Cr4模具钢，高速钢W6

CR12MOV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,≥58HRC

Cr12MoV用途

　　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以下的工作可完全淬透，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。