ISO 4945:2018
Current
The latest, up-to-date edition.
Steel — Determination of nitrogen — Spectrophotometric method
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English, French
16-10-2018
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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