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Metallic materials - Rockwell hardness test - Part 1: Test method (ISO 6508-1:2023); German version EN ISO 6508-1:2023


This document specifies 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. For specific materials and/or products, other specific International Standards apply (for instance, ISO 3738‑1 and ISO 4498).





Planned document number

DIN EN ISO 6508-1

Project number


Responsible national committee

NA 062-01-41 AA - Hardness testing for metals  

Responsible european committee

CEN/TC 459/SC 1 - Test methods for steel (other than chemical analysis)  

Responsible international committee

ISO/TC 164/SC 3/WG 1 - Revision of the standard series ISO 6508 - Metallic materials - Rockwell hardness test  

draft standard

Metallic materials - Rockwell hardness test - Part 1: Test method (ISO/DIS 6508-1:2022); German and English version prEN ISO 6508-1:2022
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previous edition(s)

Metallic materials - Rockwell hardness test - Part 1: Test method (ISO 6508-1:2016); German version EN ISO 6508-1:2016

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