Povučen
ISO 4545-2:2005 specifies the method of verification of testing machines for determining Knoop hardness for metallic materials in accordance with ISO 4545-1. It covers test forces from 0,098 07 N to 19,614 N. The method is recommended only for indentations with diagonals greater than or equal to 0,020 mm.
POVUČEN
ISO 4546:1993
POVUČEN
ISO 4545-2:2005
95.99
Povučen
14. 12. 2017.
OBJAVLJEN
ISO 4545-2:2017
Metalni materijali — Ispitivanje tvrdoće po Knupu — Deo 2: Overavanje i etaloniranje aparata za ispitivanje
95.99 Povučen