Stock materials support multiple hardness measurement systems.
| Hardness unit | Description |
|---|---|
| Rockwell A (HRA) | Commonly used for hard materials and thin materials. |
| Rockwell B (HRB) | Used for softer metals. |
| Rockwell C (HRC) | Commonly used for hardened steels. |
| Brinell (HB) | Used for castings and softer metals. |
| Brinell (HBW) | Brinell measurement using a tungsten carbide ball. |
| Vickers (HV) | Suitable for a wide range of materials and small test areas. |
| Custom | User-defined hardness scale. |
| Unitless | Hardness value without an associated measurement system. |
You can filter stock materials by hardness unit in the Stock Material Library.