Rockwell Hardness Test Blocks HRA, HRB, HRC

Rockwell Hardness Test Blocks HRA, HRB, HRC

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.

Advantages:

  • Competitive price
  • Wide range of values and loads
specifications
Hardness value HRA: 83±3
HRB: 90±10
HRC: 65±5
HRC: 45±5
HRC: 25±5
Load, kg 60
100
150
150
150
Hardness range 0,6 HRA
1,2 HRB
0,5 HRC
0,8 HRC
1,1 HRC
Dimension, mm 60x40x6
60x40x6
60x40x6
60x40x10
60x40x10
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