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AS 1815.3:2024
[Current]Metallic materials - Rockwell hardness test, Part 3: Calibration of reference blocks (ISO 6508-3:2023, IDT)
AS 1815.3:2024 identically adopts ISO 6508 3:2023, which specifies a method for the calibration of reference blocks to be used for the indirect and daily verification of Rockwell hardness testing machines and indenters, as specified in AS 1815.2
Published: 27/09/2024
Pages: 18
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Manufacture of reference blocks
4.1
4.2
4.3
4.4
4.5
4.6
5 Calibration machine and calibration indenter
5.1 General
5.1.1
5.1.2
5.2 Direct verification of the calibration machine
5.2.1
5.2.2
5.2.3
5.2.4
5.2.5
5.2.6
5.2.7
5.3 Calibration diamond indenter
5.3.1
5.3.2
5.3.3
5.4 Calibration ball indenter
5.4.1
5.4.2
5.5 Performance verification of the calibration machine and indenter
5.5.1
5.5.2
5.5.3
5.5.4
5.5.5
5.5.6
5.5.7
6 Reference block calibration procedure
6.1
6.2
6.3
6.4
6.5
6.6
6.7
7 Number of indentations
8 Uniformity of hardness
8.1
8.2
8.3
9 Marking
9.1
9.2
10 Calibration certificate
11 Validity
Annex A
Annex B
B.1 General
B.2 Direct verification - uncertainty of calibration of machine components
B.2.1 Calibration and verification of the test force and depth-measuring system
B.2.2 Verification of the indenter and test cycle
B.3 Indirect verification - uncertainty of calibration of calibration machine
B.4 Uncertainty of the certified value of hardness-reference blocks
B.4.1 General
B.4.2 Budget of uncertainty of certified value of hardness-reference blocks (see Tables B.4 and B.5)
Annex C
C.1
C.2
C.3
Annex D
D.1 Control verification
D.2 Control blocks
D.3 Control verification procedures
Bibliography
Cited references in this standard
[Current]
Metallic materials - Rockwell hardness test - Part 2: Verification and calibration of testing machines and indenters
[Current]
Metallic materials - Calibration of force-proving instruments used for the verification of uniaxial testing machines
Content history
[Current]
[Superseded]
DR AS 1815.3:2024
AS 1815.3-2007 Rec:2017
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