Standard Test Method for Hardness in Colored and Colorless Water
Edition 2023

Standard Test Method for Leeb Hardness Testing of Steel Products
Edition 2022

Standard Practice for Rapid Indentation Hardness Testing of Metallic Materials
Edition 2024

Destructive tests on welds in metallic materials - Hardness testing - Part 1: Hardness test on arc welded joints (ISO 9015-1:2001)
Edition 2011-11-02

Methods of test for screed materials - Part 6: Determination of surface hardness
Edition 2003-06-27

Flexible cellular polymeric materials - Determination of hardness (indentation technique) (ISO 2439:2008)
Edition 2009-09-02

Coil coated metals - Test methods - Part 4: Pencil hardness
Edition 2014-12-10

Surface active agents - Preparation of water with known calcium and magnesium hardness
Edition 2011-09-28

Metallic materials - Conversion of hardness values (ISO 18265:2013)
Edition 2014-03-12

Rubber, vulcanized or thermoplastic - Determination of hardness - Part 2: IRHD method (hardness between 10 IRHD and 100 IRHD)
Edition 2012-03-21