NEN-EN-ISO 6506-2:2019 en现行
Metallic materials - Brinell hardness test - Part 2: Verification and calibration of testing machines
出版：Netherlands Standards
专家解读视频
NEN-EN-ISO 6506-2 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 or verification have to be performed
ISO 6506-2 : 2017 - Identical
EN ISO 6506-2 : 2014 - Identical
EN ISO 6506-2:2018 - Identical
EN ISO 6506-2 : 2014 - Identical
ISO 6506-2 : 2017 - Identical
EN ISO 6506-2:2018 - Identical
