Rockwell Hardness Test Blocks HRA, HRB, HRC

Hardness testing blocks, made of carbon steel are used to calibrate metal hardness testers and come in various standard nominal values, such as 25 HRC, 45 HRC, 65 HRC, 90 HRB, and 83 HRA.

Total: $0.00

Hardness testing blocks are designed for metals hardness testers calibration.

There are available different standard nominal values of the blocks, such as: 25 HRC, 45 HRC, 65 HRC, 90 HRB, 83 HRA.

Basically, the blocks are made from Carbon Steel, but also available blocks are made from Brass and Aluminium.

 

The blocks meet ASTM E18 standard.

  • Wide range of values and loads
  • Low surface hardness homogeneity
  • Competitive price
Hardness value Load, kg Surface homogeneity Dimension, mm Material
HRA: 83±3 60 0,6 HRA 60х40х6 Carbon steel
HRB: 90±10 100 1,2 HRB 60х40х6 Carbon steel
HRC: 65±5 150 0,5 HRC 60х40х6 Carbon steel
HRC: 45±5 150 0,8 HRC 60х40х10 Carbon steel
HRC: 25±5 150 1,1 HRC 60х40х10 Carbon steel
HRB: 20 100  –  – Brass
HRB: 50 100  –  – Brass
HRB: 20 100  –  – Aluminum
HRB: 70 100  –  – Aluminum
HRE: 58 100  –  – Aluminum
  • Rockwell Hardness Test Block 25HRC (25±5 HRC)
  • Rockwell Hardness Test Block 45HRC (45±5 HRC)
  • Rockwell Hardness Test Block 65HRC (65±5 HRC)
  • Rockwell Hardness Test Block 83HRA (83±3 HRA)
  • Rockwell Hardness Test Block 90HRB (90±10 HRB)
  • Rockwell Brass Hardness Test Block 20HRB
  • Rockwell Brass Hardness Test Block 50HRB
  • Rockwell Aluminum Hardness Test Block 20HRB
  • Rockwell Aluminum Hardness Test Block 70HRB
  • Rockwell Aluminum Hardness Test Block 58HRE
    The blocks with other scales and nominals are available as well.
  • Calibration certificate issued by the third-party metrology laboratory (ILAC)
  • Certificate of origin issued by the Chamber of Commerce and Industry
  • Certificate of Origin and Quality from NOVOTEST
  • Hardness test block
  • Test certificate
  • Package