壓鑄模具常用鋼的物理常數
| 鋼材牌號 | 4Cr5MoV1Si | 4Cr5MoVSi | 3Cr2W8V | 4Cr3Mo3W2V | 5CrNiMo | T10 | 45 | ||
| 臨界點(℃)(近似值) | Ac1 | 860 | 853 | 800 | 850 | 730 | 730 | 735 | |
| Ac2 | 915 | 912 | 850 | 930 | 78. | 800 | 785 | ||
| Ar1 | 775 | 720 | 690 | 735 | 610 | 700 | - | ||
| Ar3 | 815 | 773 | 750 | 825 | 640 | - | - | ||
| Ms | 340 | 310 | 380 | 400 | 230 | 175 | 350 | ||
| 密度γ | 7.76 | 7.69 | 8.35 | - | - | 7.81 | 7.81 | ||
| 彈性模量E(MPa)(在20℃時) | 20.6×104 | 22.25×104 | 20.78×104 | - | - | - | 19.6×104 | ||
| 線膨脹系數α×10-6(mm/(mm·℃)) | 20~100 | 9.1 | 10.0 | 9.8 | 10.4 | - | 11.5 | 11.59 | |
| 20~200 | 10.3 | 10.9 | 10.9 | 12 | 12.55 | 13.0 | - | ||
| 20~300 | 11.5 | 11.4 | 11.9 | 11.06 | 14.1 | 14.3 | - | ||
| 20~400 | 12.2 | 12.2 | 12.6 | 12.27 | 14.1 | 14.8 | - | ||
| 20~500 | 12.8 | 12.8 | 13.1 | 12.53 | - | 15.1 | - | ||
| 20~600 | 13.2 | 13.3 | 13.5 | 13.35 | 14.2 | 16.0 | - | ||
| 20~700 | 13.5 | 13.6 | 13.7 | 13.58 | 15 | 15.8 | - | ||
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