ISO 4545-3:2017

Metallic materials — Knoop hardness test — Part 3: Calibration of reference blocks

Publication date: Dec 14, 2017

General information

Current stage: 90.60 Effective date: Mar 5, 2023

Originator: ISO

Owner: ISO/TC 164/SC 3

Type: International Standard

ICS: 77.040.10

Languages: English French

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Status: Published

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Scope

ISO 4545-3:2017 specifies the method for the calibration of reference blocks to be used for the indirect verification of Knoop hardness testing machines as specified in ISO 4545‑2.
The method is applicable only for indentations with long diagonals ≥0,020 mm.

Life cycle

PREVIOUSLY

Revises
ISO 4545-3:2005

NOW

PUBLISHED
ISO 4545-3:2017
90.60 Close of review
Mar 5, 2023

REVISED BY

IN_DEVELOPMENT
ISO/PWI 4545-3

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