
Metallic materials - Knoop hardness test - Part 4: Table of hardness values (ISO 4545-4:2017)
出版:Swiss Standards

专家解读视频
ISO 4545-4:2017 gives a table for the calculation of Knoop hardness values for use in tests carried out in accordance with ISO 4545-1.
EN ISO 4545-4 : 2018 - Identical
ISO 4545-4 : 2017 - Identical
EN ISO 4545-4 : 2018 - Identical
ISO 4545-4 : 2017 - Identical