《DIN 22253:2008-03》Hardness test DIN 22253:2008-03
《ISO6506-1:2014》Metallic materials-Brinell hardness test-Part 1:Test method ISO6506-1:2014
《DIN 22252:2012-07》Hardness test DIN 22252:2012-07
《DIN 22258-1:2012-05》Hardness test DIN 22258-1:2012-05
《tandard test methods forrockwell hardness ofmetallic materials ASTME 18-2018a》Standard test methods forrockwell hardness ofmetallic materials ASTME18-2018a
《tandard test methods for Vickers hardness and knoop hardness of metallic materials ASTM E 92-2017》Standard test methods for Vickers hardness and knoop hardness of metallic materials ASTM E92-2017
《ISO 6506-1:2014,MOD》Metallic materials-Brinell hardness test-Part 1:Test method ISO 6506-1:2014,MOD
《DIN 22255:2012-05》Hardness test DIN 22255:2012-05
《DIN 22258-2:2015-09》Pendulum impact test DIN 22258-2:2015-09
《etallic materials - Brinell hardness test - Part 1: Test method ISO 6506-1:2014》Metallic materials - Brinell hardness test - Part 1: Test method ISO 6506-1:2014