无磁模具钢HPM75

进口无磁模具钢HPM75

无磁模具钢成分及用途

日立金属的HPM75成分我国也研制了一些无磁钢，也可用作热作模具钢,如 

 日立HPM75模具钢材
化学成分
C       Si     Mn        Cr        Mo        W        V        Al        P     S
0.65～0.75 ≤0.80 14.5～16.0 2.0～2.5 0.5～0.8 0.5～0.8 1.5～2.0 2.7～3.3 ≤0.04 ≤0.03
磁导率
状 态 磁导率μ/mH?m-1
1150℃固溶
1180℃固溶                                              1.2603×10-3
1150℃固溶，700℃2h时效                                 1.2639×10-3
1180℃固溶，650℃20h时效                                1.2607×10-3
1180℃固溶，700℃2h时效                                 1.2602×10-3
1180℃固溶，650℃20h时效，变形8.5％                     1.2608×10-3
1180℃固溶，650℃20h时效，变形14.5％                    1.2608×10-3
1180℃固溶，650℃20h时效，变形24.2％                    1.2617×10-3
1180℃固溶，650℃20h时效，变形42.2％  1.2602×10-3      1.2704×10-3