NF EN ISO 6506-2:2018现行
Metallic materials - Brinell hardness test - Part 2 : verification and calibration of testing machines
出版：Association Francaise de Normalisation
专家解读视频
This document specifies methods of direct and indirect verification of testing machines used for determining Brinell hardness in accordance with ISO 6506-1 and also specifies when these two types of verification have to be performed.
ISO 6506-2 : 2017 - Identical
EN ISO 6506-2:2018 - Identical
EN ISO 6506-2:2018 - Identical
ISO 6506-2 : 2017 - Identical
