RO
SR ISO 640:1996
Metallic materials. Hardness test. Calibration of standardized blocks to be used for Vickers hardness testing machines HV 0,2 to HV 100
Standardul stabileşte metoda de etalonare a mostrelor etalon de duritate utilizate la verificarea indirectă a aparatelor de încercare a durităţii Vickers cu sarcini de încercare cuprinse între 1,961 N şi 980,7 N
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Status :
Withdrawn
Approval date : 12/19/1995
Publish date : 12/20/1995
Withdrawal date : 4/22/2004
Number of pages : 8
ICS : 77.040.10 Mechanical testing of metals
Technical Committee : 42 - Steels and ferroalloy
- Replaces (partial) STAS 7170-87
- Conflict with SR EN ISO 6507-3:2002