ISO 4945:2018
International Standard
Current Edition
·
Approved on
16 October 2018
Steel — Determination of nitrogen — Spectrophotometric method
ISO 4945:2018 Files
English
15 Pages
Current Edition
47.45 OMR
ISO 4945:2018 Scope
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 %.
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