ISO 4546:1993Withdrawn

Metallic materials — Hardness test — Verification of Knoop hardness testing machines

Matériaux métalliques — Essai de dureté — Contrôle des machines d'essai de dureté Knoop

Abstract / scope

Specifies a direct and an indirect method with test forces up to and including 9,807 N applicable only for indentations with long diagonals longer than or equal to 20 micrometres.

Life cycle

Replaced by

ISO 4545-2:2005WithdrawnMetallic materials — Knoop hardness test — Part 2: Verification and calibration of testing machinesInternational Standard · Published 17 Nov 2005 · ISO/TC 164/SC 3