模具钢的热处理特点与低合金刃具钢类似,高碳高铬冷作模具钢的热处理方案有如下两种。
| 钢   号 | 临 界 温 度℃ | 热 加 工 温 度℃ | |||||
| Ac1 | Ac3 | Ar1 | Ms | 加热 | 始锻温度 | 终锻温度 | |
| Cr12 | 810 | 835 | 755 | 180 |  | 1080-1100 | 880-920 | 
| Cr12Mo1V1 |  |  |  |  | 1050-1120 |  |  | 
| Cr12MoV | 830 | 855 | 750 | 230 | 1050-1160 | 1000-1060 | 850-900 | 
| Cr5Mo1V |  |  |  |  | 1060-1100 |  |  | 
| 9Mn2V | 730 | 760 | 655 | 125 | 1080-1120 | 1050-1100 | 800-850 | 
| CrWMn | 750 | 940 | 710 | 260 | 1100-1150 | 1050-1100 | 800-850 | 
| 9CrWMn | 750 | 900 | 700 | 205 | 1100-1150 | 1050-1100 | ≥850 | 
| Cr4W2MoV | 795 | 900 | 760 | 142 | 1130-1150 | 1040-1060 | ≥850 | 
| 6Cr4W3Mo2VNb | 810-830 |  | 720-740 | 220 | 1120-1150 | 1080-1120 | 850-900 | 
| 6W6Mo5Cr4V | 820 |  | 730 | 240 | 1100-1140 | 1100-1050 | ≥850 | 
| 5CrMnMo | 730 | 780 | 610 | 230 | 1100-1150 | 1050-1100 | 800-850 | 
| 3Cr2W8V | 800 | 850 | 690 | 380 | 1130-1160 | 1080-1120 | 850-900 | 
| 5Cr4Mo3SiMnVAl | 837 | 902 |  | 277 |  |  |  | 
| 3Cr3Mo3W2V | 850 | 930 | 735 | 400 | 1170-1200 | 1070-1100 | ≥900 | 
| 8Cr3 | 785 | 830 | 750 | 370 | 1150-1180 | 1050-1100 | ≥800 | 
| 4CrMnSiMoV | 792 | 855 | 660 | 325 | 1100-1150 | 1050-1100 | ≥850 | 
| 4Cr3Mo3SiV |  |  |  |  | 1040-1120 |  |  | 
| 4Cr5MoSiV | 853 | 912 | 720 | 310 | 1120-1150 | 1070-1100 | ≥850 | 
| 4Cr5MoSiV1 | 860 | 915 | 775 | 340 | 1120-1150 | 1050-1100 | ≥850 | 
| 4Cr5W2VSi | 800 | 875 | 730 | 275 | 1100-1150 | 1080-1100 | 850-900 | 
| 7Mn15Cr2Al3V2WMo |  |  |  |  | 1140-1170 |  |  | 
| 3Cr2Mo |  |  |  |  | 1000-1120 |  |  |