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ISO 4547:1993

Metallic materials — Hardness test — Calibration of standardized blocks to be used for Knoop hardness testing machines
14 mar 1993
95.99 Withdrawal of Standard   17 nën 2005

General information

95.99     17 nën 2005

ISO

ISO/TC 164/SC 3

International Standard

77.040.10  

frëngjisht   anglisht  

Buying

Shfuqizuar

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Scope

The method specified is applicable only for determining Knoop hardness in accordance with ISO 4545 giving indentations with long diagonals longer than or equal to 20 micrometres. Describes manufacture of the block, standardizing machine, standardizing procedure, number of indentations, uniformity of hardness, marking and test certificate. Annex A describes adjustment of Abbe/Nelson or Kohler illumination systems.

Life cycle

NOW

WITHDRAWN
ISO 4547:1993
95.99 Withdrawal of Standard
17 nën 2005

REVISED BY

WITHDRAWN
ISO 4545-3:2005