收藏词条 编辑词条 压铸模具常用钢的物理常数
创建时间:2008-08-02
压铸模具常用钢的物理常数表
钢材牌号 |
4Cr5MoV1Si |
4Cr5MoVSi |
3Cr2W8V |
4Cr3Mo3W2V |
5CrNiMo |
T10 |
45 |
||
临界点(℃)(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 |
||
弹性模量E(MPa)(在20℃时) |
20.6×104 |
22.25×104 |
20.78×104 |
|
|
|
19.6×104 |
||
线膨胀系数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 |
|