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BS EN ISO 6508-2:2015

BS EN ISO 6508-2:2015

$167.15

Metallic materials. Rockwell hardness test – Verification and calibration of testing machines and indenters

Published By Publication Date Number of Pages
BSI 2015 34
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PDF Catalog

PDF Pages PDF Title
6 Foreword
7 1 Scope
2 Normative references
3 General conditions
8 4 Direct verification of the testing machine
4.1 General
4.2 Calibration and verification of the test force
4.3 Calibration and verification of the depth-measuring system
9 4.4 Calibration and verification of the testing cycle
4.5 Calibration and verification of the machine hysteresis
10 5 Indirect verification of the testing machine
5.1 General
5.2 Procedure
11 5.3 Repeatability
12 5.4 Bias
13 5.5 Uncertainty of measurement
6 Calibration and verification of Rockwell hardness indenters
6.1 General
6.2 Diamond indenter
6.2.1 General
6.2.2 Direct calibration and verification of the diamond indenter
14 6.2.3 Indirect verification of diamond indenters
15 6.3 Ball indenter
6.3.1 Direct calibration and verification of the ball indenter
17 6.3.2 Indirect verification of the ball holder assembly
6.4 Marking
7 Intervals between direct and indirect calibrations and verifications
18 8 Verification report
19 Annex A
(normative)

Repeatability of testing machines

21 Annex B
(informative)

Uncertainty of measurement of the calibration results of the hardness testing machine

30 Bibliography

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BS EN ISO 6508-2:2015
$167.15