Abstract

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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.


General information 

  • Status
     : Published
    Publication date
     : 2017-12
  • Edition
     : 2
    Number of pages
     : 12
  • Technical Committee
     : ISO/TC 164/SC 3 Hardness testing
  • ICS
     :
    77.040.10 Mechanical testing of metals

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