A6 Tool Steel Data
An air-hardening, non-deforming tool steel that combines the deep hardening characteristics of air-hardening steels with the simplicity of low temperature heat treatment possible in many of the oil-hardening grades.
Note: K-mac does not sell this grade - Data is for reference only.
| Carbon | 0.65 - 0.75 |
| Chromium | 0.9 - 1.2 |
| Iron | Balance |
| Manganese | 1.8 - 2.5 |
| Molybdenum | 0.9 - 1.4 |
| Phosphorus | 0.03 max |
| Silicon | 0.5 max |
| Sulphur | 0.03 max |
| Density | 0.29 lb/in3 |
| Hardness, Rockwell C | 61 - 62 |
| Modulus of Elasticity | 29000 ksi |
| Bulk Modulus | 20300 ksi |
| Poisson's Ratio | 0.3 |
| Shear Modulus | 11200 ksi |
| CTE, linear 250°C | 6.56 μin/in-°F |
| CTE, linear 500°C | 7.33 μin/in-°F |
| CTE, linear 1000°C | 8 μin/in-°F |