M00018915
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ISO DIS 4545-3 2015 Edition, April 23, 2015 METALLIC MATERIALS - KNOOP HARDNESS TEST - PART 3: CALIBRATION OF REFERENCE BLOCKS
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Availability date: 07/14/2021
Description / Abstract:
This part of ISO 4545 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.