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NBN EN ISO 4545-3 : 2006

Current

Current

The latest, up-to-date edition.

METALLIC MATERIALS - KNOOP HARDNESS TEST - PART 3: CALIBRATION OF REFERENCE BLOCKS

Published date

01-12-2013

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Foreword
1 Scope
2 Normative references
3 Manufacture of the block
4 Calibration machine
5 Calibration procedure
6 Number of indentations
7 Uniformity of hardness
8 Marking
9 Validity
Annex A (informative) Adjustment of Kohler illumination systems
Annex B (informative) Uncertainty of measurement of
                      hardness-reference blocks
Bibliography

Provides 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.

DocumentType
Standard
PublisherName
Belgian Standards
Status
Current

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