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
German Institute for Standardization, en+4545
DIN EN ISO 4545-4:2018 Metallic materials - Knoop hardness test - Part 4: Table of hardness values (ISO 4545-4:2017); German version EN ISO 4545-4:2018
DIN 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
DIN EN ISO 4545-4:2006 Metallic materials - Knoop hardness test - Part 4: Table of hardness values (ISO 4545-4:2005); English version of DIN EN ISO 4545-4:2006-03
DIN EN ISO 4545-3:2006 Metallic materials - Knoop hardness test - Part 3: Calibration of reference blocks (ISO 4545-3:2005); English version of DIN EN ISO 4545-3:2006-03
DIN EN ISO 4545-2:2006 Metallic materials - Knoop hardness test - Part 2: Verification and calibration of testing machines (ISO 4545-2:2005); English version of DIN EN ISO 4545-2:2006-03
British Standards Institution (BSI), en+4545
22/30445364 DC BS EN ISO 4545-1. Metallic materials. Knoop hardness test - Part 1. Test method