Hardness Test Blocks

Meet ASTM E310 standards and conform to A2LA and NVLAP specifications. They are available in 500 kg load and 3000 kg load (other loads and ball diameters are available via special order).

Meet ASTM E310 standards and conform to A2LA and NVLAP specifications. They are available in 500 kg load and 3000 kg load (other loads and ball diameters are available via special order).

Include 3 test blocks - High, Medium and Low and a Diamond Penetrator. Fitted in a convenient wooden case.

EXTEC Rockwell Calibration Test Blocks meet the ASTM E18 standard and conform to A2LA and NVLAP specifications and HRC Test Blocks are traceable to NIST.

Available for most Micro Hardness Testers.

Vickers (HV), Knoop (HK) and Dual (HV/HK) meet ASTM E384 standards and conform to A2LA and NVLAP specifications and are the same load: 100-200 (100 gm load)’ 300-800 (500 gm load). Other than standard load may be specified.