DIN Standards Committee Materials Testing
ISO 1355
Metallic materials; hardness test; calibration of standardized blocks to be used for Rockwell superficial hardness testing machines (scales 15N, 30N, 45N, 15T, 30T and 45T)
Metallische Werkstoffe; Härteprüfung; Kalibrieren von Härtenormalplatten für Rockwell-Oberflächenhärteprüfmaschinen (Skalen 15N, 30N, 45N, 15T, 30T und 45T)
Responsible national committee
NA 062-01-112 AA - Hardness testing for metals