Standard
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AS 1815.3-2007
[Current]Metallic materials — Rockwell hardness test, Method 3: Calibration of reference blocks (scales A, B, C, D, E, F, G, H, K, N, T) (ISO 6508-3:2005, MOD)
Adopts ISO 6508-2:2005 with national modifications to specify a method for the calibration of reference blocks to be used for the indirect verification of Rockwell hardness testing machines for scales A, B, C, D, E, F, G, H, K, N, T.
Published: 14/03/2007
Pages: 13
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope
2 Normative references
3 Manufacture of reference blocks
3.1
3.2
3.3
3.4
3.5
3.6
4 Calibration machine
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
5 Calibration procedure
5.1
5.2
5.3
5.4
5.5
6 Number of indentations
7 Uniformity of hardness
7.1
7.2
7.3
8 Marking
8.1
8.2
8.3
9 Validity
Annex A
Annex B
B.1 Direct verification of the hardness-calibration machine
B.1.1 Calibration of the test force
B.1.2 Calibration of the depth-measuring device
B.1.3 Verification of the indenter
B.1.4 Verification of the test cycle
B.2 Indirect calibration of the hardness-calibration machine
B.3 Uncertainty of measurement of hardness-reference blocks
Bibliography
Appendix ZZ
Cited references in this standard
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