ISO 4546:1993

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

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.

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

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Historical

ISO 4546:1993

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

Are the documents at the ANSI Webstore in electronic Adobe Acrobat PDF format only?

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