Description
They are separately used to calibrate various series of Hardness Testers.
Features and Use
- Conforms to National standard ” calibration of hardness reference blocks”
- Authorized by the General Administration of Quality Supervision, Inspection and Quarantine of the P.R.C.
- High homogenization and good repeatability
| Description | Range of Hardness | Dimensions (mm) | Weight (kg) |
| Brinell standardized block | 200±50HBS 100±25HBS |
100 x 80 x 16 | 1 |
| Rockwell standardized block | 80-88HRA 85-95HRB 20-30HRC 35-55HRC 60-70HRC |
60 x 40 x 10 | 0.19 |
| Vickers standardized block | 200±25HV5 450±50HV5 450±50HV10 450±50HV30 750±50HV10 |
60 x 40 x 10 | 0.19 |
| Superficial Rockwell standardized block | 89-91HR15N 42-50HR30N 75-80HR30N 37-61HR45N 87-93HR15T 70-82HR30T |
60 x 40 x 10 | 0.19 |
| Portable Brinell standardized block | 200±50HBS | 75 x 75 x 22 | 1 |
| Hammer-hitting type Brinell standardized block | 175-225HBS | 150 x 12 x 12 | 0.17 |
| Micro-Vickers standardized block | 200-300HV0.05 200-300HV0.1 400-500HV0.1 400-500HV0.2 700-800HV0.2 700-800HV0.5 700-800HV1 |
Φ25 x 5 | 0.03 |
| Leeb standardized block | 790±40HLD | Φ90 x 55 | 2.7 |
| Shore standardized block | 95±4HSD 60±4HSD 30±4HSD |
65 x 52 x 15 | 0.39 |