BS EN ISO 4545-3:2017 - TC | 31 Mar 2018 | BSI Knowledge
Standard
BS EN ISO 4545-3:2017
Metallic materials. Knoop hardness test - Calibration of reference blocks
Current
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Published:
1 Scope
This document specifies the method for the calibration of reference blocks to be used for the indirect verification of Knoop hardness testing machines as specified in ISO 4545‑2.
The method is applicable only for indentations with long diagonals ≥0,020 mm.
BSI recommends this version of standard for organisations operating in or with the UK. The ISO edition is available here if required.