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ISO 4546:1993

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

Published By Publication Date Number of Pages
ISO 1993-03 7
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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.

ISO 4546:1993
$27.95