Published
ISO 4545-3:2017 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.
WITHDRAWN
ISO 4545-3:2005
PUBLISHED
ISO 4545-3:2017
90.93
Standard confirmed
Oct 2, 2023
IN_DEVELOPMENT
ISO/PWI 4545-3
Metallic materials - Knoop hardness test - Part 3: Calibration of reference blocks (ISO 4545-3:2017)
60.60 Standard published