DIN EN ISO 4545-1:2018 Metallic materials – Hardness test according to Knoop – Part 1: Test method (ISO 4545-1:2017); German version EN ISO 4545-1:2018
2024DIN EN ISO 4545-1:2024-01 Metallic materials - Knoop hardness test - Part 1: Test method (ISO 4545-1:2023); German version EN ISO 4545-1:2023
2022DIN EN ISO 4545-1:2022-08 Metallic materials - Knoop hardness test - Part 1: Test method (ISO/DIS 4545-1:2022); German and English version prEN ISO 4545-1:2022 / Note: Date of issue 2022-07-08*Intended as replacement for DIN EN ISO 4545-1 (2019-09).
2019DIN EN ISO 4545-1:2019-09 Metallic materials - Knoop hardness test - Part 1: Test method (ISO 4545-1:2017); German version EN ISO 4545-1:2018 / Note: To be replaced by DIN EN ISO 4545-1 (2022-08).
2019DIN EN ISO 4545-1:2019 Metallic materials - Knoop hardness test - Part 1: Test method (ISO 4545-1:2017)
2018DIN EN ISO 4545-1:2018 Metallic materials – Hardness test according to Knoop – Part 1: Test method (ISO 4545-1:2017); German version EN ISO 4545-1:2018
2006DIN EN ISO 4545-1:2006 Metallic materials - Knoop hardness test - Part 1: Test method (ISO 4545-1:2005); English version of DIN EN ISO 4545-1:2006-03