Rockwell Hardness Test Block (70-79)HRA + UKAS calibration certificate
Hardness value: 74,4 HRA
Block size: diameter 64 mm x thickness 15 mm
Calibration certificate UKAS acc to EN ISO 6508:2015 and ASTM E18:2018a from accredited laboratory.
The Hardness Test Blocks allow independent checking and verification of hardness tester indications
for an appropriate measuring scale, which directly reduces any measurement inaccuracies.
we offer the hardness test blocks also with a special calibration grid system as an option.
we offer different hardness test blocks in wide range of scales and values as follows:
HRC, HRA, HRD, HR15N, HR30N, HR45N, HRB, HRE, HRF, HRG, HRH, HRK, HR15T, HR30T, HR45T
Remarks: other quality on request please contact us: