ISO 4967
Steel - Determination of content of non-metallic inclusions - Micrographic method using standard diagrams
Stahl - Ermittlung des Gehalts an nicht-metallischen Einschlüssen - Mikroskopisches Verfahren mit Bildreihen
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)