ISO 6506-2:2014
Metallic materials — Brinell hardness test — Part 2: Verification and calibration of testing machines
ISO 6506-2:2014 specifies methods of direct and indirect verification of testing machines used for determining Brinell hardness in accordance with ISO 6506‑1, and also specifies when these two types of verification has to be performed.
The direct verification involves checking that individual machine performance parameters fall within specified limits whereas the indirect verification utilizes hardness measurements of reference blocks, calibrated in accordance with ISO 6506‑3, to check the machine's overall performance.
If a testing machine is also to be used for other methods of hardness testing, it has to be verified independently for each method.
ISO 6506-2:2014 is applicable to both fixed location and portable hardness testing machines. For machines that are incapable of satisfying the specified force-time profile, the direct verification of force and testing cycle can be modified by the use of Annex B.
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Section sec_1
Section sec_2
Section sec_3
Section sec_4
Section sec_4.1
Section sec_4.1.1
Section sec_4.1.2
Section sec_4.1.3
Section sec_4.2
Section sec_4.2.1
Section sec_4.2.2
Section sec_4.2.3
Section sec_4.2.4
Section sec_4.3
Section sec_4.3.1
Section sec_4.3.2
Section sec_4.3.3
Section sec_4.3.4
Section sec_4.3.4.1
Table tab_1
Section sec_4.3.4.2
Section sec_4.4
Section sec_4.4.1
Section sec_4.4.2
Section sec_4.4.3
Section sec_4.5
Section sec_4.5.1
Section sec_4.5.2
Section sec_5
Section sec_5.1
Section sec_5.2
Section sec_5.3
Section sec_5.4
Section sec_5.5
Section sec_5.6
Section sec_5.7
Section sec_5.8
Section sec_5.9
Table tab_2
Table tab_3
Section sec_5.10
Section sec_6
Table tab_4
Section sec_7
Annex sec_A
Annex sec_A.1
Annex sec_A.2
Annex sec_A.2.1
Table tab_A.1
Table tab_A.2
Table tab_A.3
Annex sec_A.2.2
Table tab_A.4
Table tab_A.5
Table tab_A.6
Annex sec_A.2.3
Annex sec_A.2.4
Annex sec_A.3
Table tab_A.7
Annex sec_A.4
Table tab_A.8
Table tab_A.9
Annex sec_B
Annex sec_B.1
Reference ref_1
Reference ref_2
Reference ref_3
Reference ref_4
Reference ref_5
Foreword
1 Scope
2 Normative references
3 General conditions
4 Direct verification
4.1 General
4.2 Measurement of the test forces
4.3 Measurement of the properties of the indenter ball
4.4 Calibration of the indentation diameter measuring system
4.5 Verification of the testing cycle
5 Indirect verification
6 Intervals between verifications
7 Verification report/calibration certificate
Annex A (informative) Uncertainty of measurement of the verification results of the hardness testing machine
Annex B (normative) Verification of hardness testing machines that are incapable of meeting the specified force/time profile
Bibliography
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Section sec_1
Section sec_2
Section sec_3
Section sec_4
Section sec_4.1
Section sec_4.1.1
Section sec_4.1.2
Section sec_4.1.3
Section sec_4.2
Section sec_4.2.1
Section sec_4.2.2
Section sec_4.2.3
Section sec_4.2.4
Section sec_4.3
Section sec_4.3.1
Section sec_4.3.2
Section sec_4.3.3
Section sec_4.3.4
Section sec_4.3.4.1
Table tab_1
Section sec_4.3.4.2
Section sec_4.4
Section sec_4.4.1
Section sec_4.4.2
Section sec_4.4.3
Section sec_4.5
Section sec_4.5.1
Section sec_4.5.2
Section sec_5
Section sec_5.1
Section sec_5.2
Section sec_5.3
Section sec_5.4
Section sec_5.5
Section sec_5.6
Section sec_5.7
Section sec_5.8
Section sec_5.9
Table tab_2
Table tab_3
Section sec_5.10
Section sec_6
Table tab_4
Section sec_7
Annex sec_A
Annex sec_A.1
Annex sec_A.2
Annex sec_A.2.1
Table tab_A.1
Table tab_A.2
Table tab_A.3
Annex sec_A.2.2
Table tab_A.4
Table tab_A.5
Table tab_A.6
Annex sec_A.2.3
Annex sec_A.2.4
Annex sec_A.3
Table tab_A.7
Annex sec_A.4
Table tab_A.8
Table tab_A.9
Annex sec_B
Annex sec_B.1
Reference ref_1
Reference ref_2
Reference ref_3
Reference ref_4
Reference ref_5
Foreword
1 Scope
2 Normative references
3 General conditions
4 Direct verification
4.1 General
4.2 Measurement of the test forces
4.3 Measurement of the properties of the indenter ball
4.4 Calibration of the indentation diameter measuring system
4.5 Verification of the testing cycle
5 Indirect verification
6 Intervals between verifications
7 Verification report/calibration certificate
Annex A (informative) Uncertainty of measurement of the verification results of the hardness testing machine
Annex B (normative) Verification of hardness testing machines that are incapable of meeting the specified force/time profile
Bibliography