BS EN ISO 6508-1:2015

Foreword
1 Scope
2 Normative references
3 Principle
4 Symbols, abbreviated terms and designations
5 Testing machine
6 Test piece
7 Procedure
8 Uncertainty of the results
9 Test report
10 Conversions to other hardness scales or tensile
   strength values
Annex A (normative) - Special HR30TSm and HR15TSm
        test for thin products
Annex B (normative) - Minimum thickness of the test piece
        in relation to the Rockwell hardness
Annex C (normative) - Corrections to be added to Rockwell
        hardness values obtained on convex cylindrical surfaces
Annex D (normative) - Corrections to be added to Rockwell
        hardness C scale values obtained on spherical test
        surfaces of various diameters
Annex E (normative) - Daily Verification Procedure
Annex F (normative) - Inspection of diamond indenters
Annex G (informative) - Uncertainty of the measured
        hardness values
Annex H (informative) - CCM - Working Group on Hardness
Annex I (informative) - Rockwell Hardness Measurement
        Traceability
Bibliography

Defines the method for Rockwell regular and Rockwell superficial hardness tests for scales A, B, C, D, E, F, G, H, K, 15N, 30N, 45N, 15T, 30T, and 45T for metallic materials and is applicable to stationary and portable hardness testing machines.

This part of ISO6508 specifies the method for Rockwell regular and Rockwell superficial hardness tests (scales and applicable range of application according to Table1) for metallic materials and is applicable to stationary and portable hardness testing machines. For specific materials and/or products, other specific International Standards apply (for instance, ISO3738‑1 and ISO4498 ). NOTE Attention is drawn to the fact that the use of tungsten carbide composite for ball indenters is considered to be the standard type of Rockwell indenter ball. Steel indenter balls are allowed to continue to be used only when complying with AnnexA.