Mẫu chuẩn độ cứng Rockwell HRA, HRB, HRC
Giá:Liên Hệ
Hardness testing blocks are designed for metals hardness testers calibration.
There are availabe different nominal values of the blocks, such as: 25 HRC, 45 HRC, 65 HRC, 90 HRB, 83 HRA.
The blocks meet ASTM E18 standard.
| Hardness value | Load, kg | Hardness range | Dimension, mm |
| HRA: 83±3 | 60 | 0,6 HRA | 60х40х6 |
| HRB: 90±10 | 100 | 1,2 HRB | 60х40х6 |
| HRC: 65±5 | 150 | 0,5 HRC | 60х40х6 |
| HRC: 45±5 | 150 | 0,8 HRC | 60х40х10 |
| HRC: 25±5 | 150 | 1,1 HRC | 60х40х10 |
