NBN EN ISO 6507-3 : 2006
Current
The latest, up-to-date edition.
METALLIC MATERIALS - VICKERS HARDNESS TEST - PART 3: CALIBRATION OF REFERENCE BLOCKS
01-12-2013
Foreword
1 Scope
2 Normative references
3 Manufacture of reference blocks
4 Calibrating machine
5 Calibration procedure
6 Number of indentations
7 Uniformity of hardness
8 Marking
9 Validity
Annex ZA (normative) Normative references to
international publications with their relevant
European publications
Figure 1 - Permissible difference of the sectional
planes of the square form
Tables 1, 2, 3
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