Hard facts

Theory of hardness testing

Back to overview

A Vickers hardness value consists of the following components:

1. The numeric hardness value (between 1 and 3000);
2. The two letters "HV", standing for "Hardness according to Vickers";
3. The applied test load in kgf;
4. According to ISO 6507: The dwell time of the test load, but only if this is not between 10 and 15 seconds (uncommon in practice)


find out more