Description
Reference blocks
Economical and Good Value for Money:
- If you have an ongoing requirement for Brinell, Rockwell, or Vickers reference blocks let us know and we can structure a program of delivery tailor made to suit your requirements – and at the most competitive prices.
Use your own material:
- Foundrax will make reference blocks for you using your own material if you require, ask for details
Rockwell Reference Blocks Hardness Ranges
| SCALE | APPROXIMATE AVAILABLE HARDNESS VALUES – PLEASE NOTE THAT THE ACTUAL BLOCK SUPPLIED WILL BE WITHIN +/-3 HARDNESS POINTS OF THAT WHICH IS ORDERED |
|---|---|
| HRA | 22.5, 24.2, 25, 29, 30.8, 33, 35, 37, 40, 41, 45.5, 49.5, 53, 56, 60.5, 61.5, 62.8, 65.3, 67.9, 70.4, 73.1, 75.9, 78.5, 81.2, 82.8 |
| HRBW | 21, 25, 27, 36, 40, 45, 50, 54, 61, 63, 73, 80, 86, 91, 99 |
| HRC | 20, 25, 30, 35, 40, 45, 50, 55, 60, 63 |
| HRD | 40.1, 43.8, 47.7, 51.5, 55.4, 59.2, 63.1, 66.9, 70.7, 73 |
| HREW | 69.5, 72, 73, 78.5, 81, 84, 87, 89.5, 93.5, 95 |
| HRFW | 69, 71, 72.5, 77.5, 79.5, 82.5, 85.5, 87.5, 91.5, 93, 98.5 |
| Other available scales | HRG, HRH, HRK, HRL, HRM, HRP, HRR, HRS, HRV |
Notes:
- All blocks certified to BS EN ISO 6506-3 and ASTM E18.
- All blocks supplied with official certificate of calibration from our UKAS-accredited laboratory, unless requested otherwise.
- HRC blocks are in steel; other ranges are supplied in steel, brass or aluminium, as appropriate.
- Standard hardness ranges are marked in bold.
- When ordering, please advise hardness range and scale required and whether you require a gridded surface or not.
