Rockwell Test Blocks (Regular scales)
Features
- Tested as per ISO 6508-1, IS 1586 (Part 1) and/or ASTM E18
- Tested at Fmi Testing Laboratory, NABL accredited (ISO/IEC 17025:2017)
- Specially curated high-quality steel, aluminium and brass material
- Specially designed heat treatment and cryogenic treatment to achieve maximum long term hardness stability, consistency and repeatability
- Mirror surface finish by grinding, lapping and diamond polishing
- LASER marking on the surface of hardness value, Serial number and company logo
- Optional hexagonal LASER grid marking
- Available in shapes: Φ50 mm and Φ64 mm
- Recommended key usage: Periodic/daily intermediate checks as a secondary reference block.
Available hardness scales and ranges as below
Standard Rockwell Test Blocks | ||
Scale | Hardness Range | Material / Size |
HRA | 20-40
| Aluminium / Dia 64 mm |
40-60, 60-70, 70-80, 80-90 | Steel/ dia 50 or 64 mm | |
HRBW | 10-50, 50-60 | Aluminium / Dia 64 mm |
60-80, 85-100 | Steel/ dia 50 or 64 mm | |
HRC | 20-30, 30-40, 40-50, 50-60, 60-70 | Steel / dia 50 & 64 mm |