NA 062
DIN Standards Committee Materials Testing
Draft standard
DIN EN ISO 643
DIN EN ISO 643
Steels - Micrographic determination of the apparent grain size (ISO/DIS 643:2023); German and English version prEN ISO 643:2023
Title (German)
Stahl - Mikrophotographische Bestimmung der erkennbaren Korngröße (ISO/DIS 643:2023); Deutsche und Englische Fassung prEN ISO 643:2023
Responsible national committee
NA 062-01-31 GA - Joint working committee NMP/FES: Metallographical test methods
Responsible european committee
CEN/TC 459/SC 1 - Test methods for steel (other than chemical analysis)
Responsible international committee
ISO/TC 17/SC 7/WG 2 - Micrographic determination of the apparent grain size
