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ISO
ISO 4545-3:2017

ISO 4545-3:2017

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

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General Information

Status :

Active

Standard Type : Main

Document No : ISO 4545-3:2017

Document Year : 2017

Pages : 12

Edition : 2

Section Volume : Hardness testing (ISO/TC 164/SC 3.)

ICS : Mechanical testing of metals (77.040.10)

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.

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