Hardmetals - Rockwell hardness test (scale A) - Part 2: Preparation and calibration of standard test blocks (ISO 3738-2:1988); German version EN ISO 3738-2:2006
Edition 2006-06

Metallic materials - Knoop hardness test - Part 1: Test method (ISO 4545-1:2023); German version EN ISO 4545-1:2023
Edition 2024-01

Metallic materials - Knoop hardness test - Part 2: Verification and calibration of testing machines (ISO 4545-2:2017); German version EN ISO 4545-2:2018
Edition 2018-07

Metallic materials - Knoop hardness test - Part 3: Calibration of reference blocks (ISO 4545-3:2017); German version EN ISO 4545-3:2018
Edition 2018-07

Metallic materials - Knoop hardness test - Part 4: Table of hardness values (ISO 4545-4:2017); German version EN ISO 4545-4:2018
Edition 2018-05

Metallic materials - Brinell hardness test - Part 1: Test method (ISO/DIS 6506-1:2023); German and English version prEN ISO 6506-1:2023
Edition 2023-11

Metallic materials - Brinell hardness test - Part 1: Test method (ISO 6506-1:2014); German version EN ISO 6506-1:2014
Edition 2015-02

Metallic materials - Brinell hardness test - Part 2: Verification and calibration of testing machines (ISO/DIS 6506-2:2023); German and English version prEN ISO 6506-2:2023
Edition 2023-11

Metallic materials - Brinell hardness test - Part 2: Verification and calibration of testing machines (ISO 6506-2:2017); German version EN ISO 6506-2:2018
Edition 2019-03

Metallic materials - Brinell hardness test - Part 3: Calibration of reference blocks (ISO/DIS 6506-3:2023); German and English version prEN ISO 6506-3:2023
Edition 2023-11