Yamamoto YAMAMOTO Japan-made hardness standard block (with original factory calibration report)
product description
Features
product specification
video introduction
| Types of hardness standard sheets and standard hardness values | |
| HRC | 70, 67, 64, 62, 60, 57, 55, 50, 45, 40, 35, 30, 25, 20, 10 |
| HRA | 87, 85, 83, 81, 78, 75, 71, 65, 56 |
| HR30N | 83, 81, 78, 73, 67, 60, 55, 50, 41 |
| HR15N | 92, 90, 87, 85, 80, 75(43)(23) |
| HR45N | 92, 90, 87, 85, 80, 75(43)(23) |
| HRB | 100, 95, 90, 82, 72, 62, 52, 42, 32 |
| HR30T | 78, 72, 62, 52, 42, 38, 32 |
| HR15T | 87, 82, 78 |
| HRE, HRM, HRL, HRR, HRF, HRS, please call to inquire about the degree. | |
| HMV(1,0.1) | 1600 |
| HMV(1,0.1,0.01) | 900, 800, 700, 600, 500, 400, 300, 200, 100, 40 |
| HMV(0.1, 0.01, 0.001) | 30 |
| HV(30,1) | 1000, 900, 800, 700 |
| HV(10,1) | 600, 500, 400, 300, 200, 150, 100, 40 |
| HS | 100, 95, 90, 80, 70, 60, 50, 40, 30, 20, 7 |
| HLE | 850, 800, 700, 600, 500 |
| HLD | 880, 830, 730, 630, 520 |
| HBW(10/3000) | 600, 550, 500, 450, 400, 350 |
| HBW(10/3000) | 300, 250, 229, 200, 180, 150 |
| HBW(10/500) | 125, 100 |
