Plastics - Determination of hardness - Part 1: Ball indentation method (ISO 2039-1:2001)
Edition 2003-05-30

PLASTICS - DETERMINATION OF HARDNESS - PART 2: ROCKWELL HARDNESS (ISO 2039-2:1987)
Edition 2000-07-24

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

Hardmetals - Rockwell hardness test (scale A) - Part 1: Test method (ISO 3738-1:1982)
Edition 2011-09-21

Hardmetals - Rockwell hardness test (scale A) - Part 2: Preparation and calibration of standard test blocks (ISO 3738-2:1988)
Edition 2007-01-03

Sintered metal materials, excluding hardmetals - Determination of apparent hardness and microhardness (ISO 4498:2010)
Edition 2011-09-28

Sintered ferrous materials, carburized or carbonitrided - Determination and verification of case-hardening depth by a micro-hardness test (ISO 4507:2000)
Edition 2007-10-10

Metallic materials - Knoop hardness test - Part 1: Test method (ISO 4545-1:2023)
Edition 2024-05-22

Metallic materials - Knoop hardness test - Part 2: Verification and calibration of testing machines (ISO 4545-2:2017)
Edition 2018-06-27

Metallic materials - Knoop hardness test - Part 3: Calibration of reference blocks (ISO 4545-3:2017)
Edition 2018-06-27