| Code | Range | Scale | Rockwell test force | Brinell test force |
|---|---|---|---|---|
| ISHR-B141 | brinell: 20~650HBW | rockwell: HRA, HRB, HRC, HRD, HRF, HRG | preload: 10kgf, total load: 60kgf, 100kgf,150kgf | 62.5kgf, 125kgf, 187.5kgf |


Apply to large steel or iron workpieces
According to ISO 6508, ASTM E18
| Code | Range | Scale | Rockwell test force | Brinell test force |
|---|---|---|---|---|
| ISHR-B141 | brinell: 20~650HBW | rockwell: HRA, HRB, HRC, HRD, HRF, HRG | preload: 10kgf, total load: 60kgf, 100kgf,150kgf | 62.5kgf, 125kgf, 187.5kgf |
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