DS/EN ISO 4545-3:2006
Metallic materials - Knoop hardness test - Part 3: Calibration of reference blocks

Standard No.

DS/EN ISO 4545-3:2006

Release Date

2006

Published By

Danish Standards Foundation

Latest

DS/EN ISO 4545-3:2006

Scope

This standard specifies the method for the calibration of reference blocks to be used for the indirect verification of Knoop hardness testing machines as specified in EN ISO 4545-2. The method is applicable only for indentations with long diagonals greater than or equal to 0,020 mm.

DS/EN ISO 4545-3:2006 history

• 2006 DS/EN ISO 4545-3:2006 Metallic materials - Knoop hardness test - Part 3: Calibration of reference blocks