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>UNE standards>UNE EN ISO 4545-3:2018 - Metallic materials - Knoop hardness test - Part 3: Calibration of reference blocks (ISO 4545-3:2017)
in stockReleased: 2018-06-27
UNE EN ISO 4545-3:2018 - Metallic materials - Knoop hardness test - Part 3: Calibration of reference blocks (ISO 4545-3:2017)

UNE EN ISO 4545-3:2018

Metallic materials - Knoop hardness test - Part 3: Calibration of reference blocks (ISO 4545-3:2017)

Materiales metálicos. Ensayo de dureza Knoop. Parte 3: Calibración de los bloques patrón. (ISO 4545-3:2017).

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Standard number:UNE EN ISO 4545-3:2018
Pages:20
Released:2018-06-27
Status:Standard
Pages (Spanish):21
DESCRIPTION

UNE EN ISO 4545-3:2018

This part of ISO 4545 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 e" 0,020 mm.