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| Category |
Steel |
| Class |
Tool steel |
| Type |
Chromium hot work steel |
| Designations |
France: AFNOR 32 DCV 28
Germany: DIN 1.2365
United States: ASTM A681 , FED QQ-T-570 , UNS T20810 |
| Element |
Weight % |
| C |
0.35-0.45 |
| Mn |
0.25-0.70 |
| Si |
0.80-1.20 |
| Cr |
3.00-3.75 |
| Ni |
0.3 |
| Mo |
2.00-3.00 |
| V |
0.25-0.75 |
| Cu |
0.25 |
| P |
0.03 |
| S |
0.03 |
| Properties |
Conditions |
| T (°C) |
Treatment |
| Density (×1000 kg/m3) |
|
7.81 |
25 |
| Poisson's Ratio |
|
0.27-0.30 |
25 |
| Elastic Modulus (GPa) |
|
190-210 |
25 |
| Properties |
Conditions |
| T (°C) |
Treatment |
| Thermal Expansion (10-6/ºC) |
|
12.2 |
20-425 |
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