CNC Kalkulator

Hardness Conversion: Steel

Approximates HV and HRC for carbon and low-alloy steels within limited ranges.

Formulas

Linear interpolation between selected comparison points; no extrapolation

Sources: ISO 18265, Table A.1; selected comparison points checked against the Buehler-Wilson poster.; https://www.buehler.com/assets/posters/Hardness_Conversion_Chart_10-20_EU.PDF

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