《DIN 22253:2008-03》Hardness test DIN 22253:2008-03
《DIN 22252:2012-07》Hardness test DIN 22252:2012-07
《DIN 22258-1:2012-05》Hardness test DIN 22258-1:2012-05
《ISO 6507-1:2018》《Metallic materials - Vickers hardness test - Part 1: Test method》 ISO 6507-1:2018
《DIN 22258-3:2016-12》Surface test DIN 22258-3:2016-12
《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
《DIN 22255:2012-05》Hardness test DIN 22255:2012-05
《DIN 22258-3:2016-12》Pendulum impact test DIN 22258-3:2016-12
《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
《etallic materials - Rockwell hardness test - Part 1: Test method ISO 6508-1:2016》Metallic materials - Rockwell hardness test - Part 1: Test method ISO 6508-1:2016