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## What does HV10 mean?

The length of the two diagonals is measured and used to calculate the Vickers hardness (HV). Together with the measured value also the used load is stated, e.g. 100 HV10 means a value of 100 Vickers is obtained and a load of 10 kg was used to make the indent.

## What does HV0 1 mean?

1) mean values obtained for samples after different T6 conditions. Source publication. +4.

What is the difference between Vickers hardness and true hardness?

Therefore, the principal difference between universal hardness and Vickers hardness is based on the degree of indentation diagonal elastic recovery Δd. The following possibilities exist: For materials exhibiting only plastic flow, d3 = d1, and, therefore, HU = HV.

Is HV5 and HV10 the same thing?

I know that HV5 or HV10 is same result. Not necessarily, although no one will say that there isn’t a strong correlation. As cloa is asking, where you near the limits of HV5? If spec asks for HV10 measurements, client is correct when they want HV10 results, not converted values from another test method.

### Are your HV5 results within specification?

If HV5 results are comfortably within specification, your customer is being unreasonably rigid. I am wary of conversions across hardness scales and especially to UTS, but the difference here will be minimal, certainly less than the measurement error.

### What does HV stand for in HV test?

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)

What is the HV number of a metal?

The HV number is equal to the force divided by the area (F/a). Carbide grades are usually in the range of 1,300-1,900 HV. Ceramics can reach a hardness of 2,000 HV, CBN up to 3,000 HV, and PCD up to 6,000 HV