日本日立HPM75无磁模具钢
化学成分:(C:0.65~0.75)(Si:≤0.80)(Mn:14.5~16.0)(Cr:2.0~2.5)(Mo:0.5~0.8)(W:0.5~0.8)(V:1.5~2.0)(Al:2.7~3.3)(P:≤0.04)(S:≤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