ISO 4945:2018 Preview

Steel -- Determination of nitrogen -- Spectrophotometric method

This document specifies a spectrophotometric method for the determination of nitrogen in steel.

The method is applicable to the determination of nitrogen mass fraction between 0,000 6 % and 0,050 % in low alloy steels and between 0,010 % and 0,050 % in high alloy steels.

The method does not apply to samples containing silicon nitrides or having silicon contents higher than 0,6 %.


General information

  • Status :  Published
    Publication date : 2018-10
  • Edition : 2
    Number of pages : 15
  • :
    ISO/TC 17/SC 1
    Methods of determination of chemical composition
  • 77.080.20
    Steels

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