NA 062
DIN Standards Committee Materials Testing
Standards
[Withdrawn]
ISO 4545-3
ISO 4545-3
Metallic materials - Knoop hardness test - Part 3: Calibration of reference blocks
Title (German)
Metallische Werkstoffe - Härteprüfung nach Knoop - Teil 3: Kalibrierung von Härtevergleichsplatten
Responsible national committee
NA 062-01-41 AA - Hardness testing for metals