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HRB Rockwell hardness test block copper alloy calibration block
Rockwell hardness test block, calibration block for calibrate Rockwell hardness tester
Features:
Square shape Rockwell standard hardness blocks make of material Coppy Alloy with high precision
Uses: Standard test block calibration instrument
Size: Diameter: Length: 70mm, Width:30mm ,Thickness: 5mm
Weight: about 0.5 kg
Model: Rockwell HRB
Test block scale: 20-25 HRB, 30-35 HRB, 35-40 HRB, 40-45 HRB, the hardness value of each hardness block is different.
material: copper alloy
Size: 70mm*30mm*5mm
| Description | Value Scale |
| Hardness test block Rockwell | 20-25 HRB |
| 30-35 HRB | |
| 35-40 HRB | |
| 40-45 HRB |
