Abstract / scope
ISO 4545-4:2017 gives a table for the calculation of Knoop hardness values for use in tests carried out in accordance with ISO 4545‑1.
ISO/PWI 4545-4Deleted (project abandoned)
Metallic materials — Knoop hardness test — Part 4: Table of hardness values
Matériaux métalliques — Essai de dureté Knoop — Partie 4: Tableau des valeurs de dureté