OS GSO ISO 4545-3:2013
ISO 4545-3:2005
Omani Standard
Current Edition
·
Approved on
09 September 2013
Metallic materials – Knoop hardness test Part 3 : Calibration of reference blocks
OS GSO ISO 4545-3:2013 Files
Arabic
12 Pages
Current Edition
OMR
30.92
English
9 Pages
Current Edition
Reference Language
OMR
30.92
OS GSO ISO 4545-3:2013 Scope
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 W 0,020 mm.
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