Screw and washer assemblies made of steel with plain washers - Washer hardness classes 200 HV and 300 HV (ISO 10644:2009); German version EN ISO 10644:2009
Edition 2009-10

Resistance welding - Vickers hardness testing (low-force and microhardness) of resistance spot, projection, and seam welds (ISO 14271:2017); German version EN ISO 14271:2017
Edition 2018-01

Plastics - Determination of hardness - Part 2: Rockwell hardness (ISO 2039-2:1987); German version EN ISO 2039-2:1999
Edition 2000-01

Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 3: Calibration of reference blocks (ISO 14577-3:2015); German version EN ISO 14577-3:2015
Edition 2015-11

Metallic materials - Brinell hardness test - Part 3: Calibration of reference blocks (ISO 6506-3:2014); German version EN ISO 6506-3:2014
Edition 2015-02

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

Testing of metallic materials - Rockwell hardness test - Part 3: Modified Rockwell scales Bm and Fm for thin steel sheet
Edition 2017-05

Fasteners - Technical delivery conditions - Part 24: Hardness classes for nuts without specified proof load values
Edition 2007-10

Paints and varnishes - Scratch test using a spring-loaded pen (ISO 22557:2019); German version EN ISO 22557:2020
Edition 2021-02

Flexible cellular polymeric materials - Determination of hardness (indentation technique) (ISO 2439:2008); German version EN ISO 2439:2008
Edition 2009-05