NA 062
DIN Standards Committee Materials Testing
Standards
[Withdrawn]
ISO 643
ISO 643
Steels; Micrographic determination of the ferritic or austenitic grain size
Title (German)
Stähle; mikrographische Bestimmung der ferritischen oder austentitischen Korngröße
Responsible national committee
NA 062-01-31 GA - Joint working committee NMP/FES: Metallographical test methods
Responsible international committee
ISO/TC 17/SC 7 - Methods of testing (other than mechanical tests and chemical analysis)