Designation
| Name |
The value |
| Designation GOST Cyrillic |
40ХСН2МА |
| Designation GOST Latin |
40XCH2MA |
| Transliteration |
40HSN2MA |
| By chemical elements |
40CrСН2Mo |
Description
40ХСН2МА steel is used: for the production of highly loaded parts, no significant stress raisers and operating at temperatures from -70 to +250 °C.
Mechanical properties
| σU, MPa |
| Hire. Quenching in oil with 890-910 °C + Vacation at 200-260 °C, air cooling |
| 1800-2000 |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
Physical characteristics
| Temperature |
Е, HPa |
r, kg/m3 |
l, W/(m · °C) |
R, Mr. · m |
a, 10-6 1/°C |
С, J/(kg · °C) |
| 20 |
195 |
7810 |
281 |
430 |
- |
- |
| 100 |
- |
- |
289 |
- |
112 |
503 |
| 200 |
- |
- |
302 |
- |
127 |
545 |
| 300 |
- |
- |
314 |
- |
135 |
587 |
| 400 |
- |
- |
- |
- |
142 |
- |
A description of the physical symbols
| Name |
Description |
| l |
Coefficient of thermal conductivity |