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ONORM EN ISO 4545-3 : 2006

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Superseded date

23-07-2013

Published date

12-01-2013

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
Osterreichisches Normungsinstitut/Austrian Standards
Status
Superseded
SupersededBy

ISO 4287:1997 Geometrical Product Specifications (GPS) — Surface texture: Profile method — Terms, definitions and surface texture parameters
ISO 4545-2:2005 Metallic materials Knoop hardness test Part 2: Verification and calibration of testing machines
ISO 4545-1:2005 Metallic materials Knoop hardness test Part 1: Test method
ISO 376:2011 Metallic materials — Calibration of force-proving instruments used for the verification of uniaxial testing machines

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