GOST 8.398-1980 State system for ensuring the uniformity of measurements. Hardness testing machines for metals and alloys. Methods and means of verification
This standard applies to hardness measuring instruments - Brinell (TB), Vickers (TV), Rockwell (TR) and Super-Rock hardness testers
GOST 8.398-1980 history
1980GOST 8.398-1980 State system for ensuring the uniformity of measurements. Hardness testing machines for metals and alloys. Methods and means of verification