
Metallic materials - Knoop hardness test - Part 3: Calibration of reference blocks (ISO 4545-3:2017)
出版:Swiss Standards

专家解读视频
ISO 4545-3:2017 specifies the method for the calibration of reference blocks to be used for the indirect verification of Knoop hardness testing machines as specified in ISO 4545-2.
ISO 4545-3 : 2017 - Identical
EN ISO 4545-3 : 2018 - Identical
ISO 4545-3 : 2017 - Identical
EN ISO 4545-3 : 2018 - Identical