A2 Tool Steel Data
| Carbon |
0.95
- 1.05 |
| Chromium |
4.75
- 5.5 |
| Iron |
Balance |
| Manganese |
1
max |
| Molybdenum |
0.9
- 1.4 |
| Phosphorus |
0.03
max |
| Silicon |
0.5
max |
| Sulphur |
0.03
max |
| Vanadium |
0.15
- 0.5 |
| Density |
0.284 lb/in3 |
| Hardness, Rockwell C |
64 |
| Modulus of Elasticity |
29400 ksi |
| Bulk Modulus |
20300 ksi |
| Poisson's Ratio |
0.3 |
| Machinability |
65 % |
| Shear Modulus |
11300 ksi |
| CTE, linear 250°C |
5.94 μin/in-°F |
| CTE, linear 500°C |
7.06 μin/in-°F |
| CTE, linear 1000°C |
7.78 μin/in-°F |
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