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EN ISO 4945:2018

Steel - Determination of nitrogen - Spectrophotometric method (ISO 4945:2018) EN ISO 4945:2018

Publication date:   Apr 11, 2019

General information

60.60 Standard published   Nov 28, 2018

CEN

CEN/TC 459/SC 2 Methods of chemical analysis for iron and steel

European Norm

77.080.20   Steels

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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 %.

Life cycle

PREVIOUSLY

WITHDRAWN
EN ISO 4945:2009

NOW

PUBLISHED
EN ISO 4945:2018
60.60 Standard published
Nov 28, 2018