| Category |
Steel |
| Class |
Tool steel |
| Type |
Molybdenum high speed steel |
| Designations |
United States: ASTM A600 , FED QQ-T-590 , SAE J437 , SAE J438 , UNS T11304 |
| Element |
Weight % |
| C |
1.25-1.40 |
| Mn |
0.15-0.40 |
| Si |
0.20-0.45 |
| Cr |
3.75-4.75 |
| Ni |
0.3 |
| Mo |
4.25-5.50 |
| W |
5.25-6.50 |
| V |
3.75-4.50 |
| Cu |
0.25 |
| P |
0.03 |
| S |
0.03 |
| Properties |
Conditions |
| T (°C) |
Treatment |
| Density (×1000 kg/m3) |
|
7.97 |
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) |
|
9.5 |
20-260 more |
|
