90.93 Standard confirmed Jul 25, 2022
ISO
ISO/TC 17/SC 1 Methods of determination of chemical composition
International Standard
77.080.01 Ferrous metals in general
This International Standard specifies a thermal conductimetric method after fusion under inert gas for the
determination of nitrogen in steel and iron.
The method is applicable to nitrogen contents between 0,002 % (m/m) and 0,6 % (m/m).
PUBLISHED
ISO 15351:1999
90.93
Standard confirmed
Jul 25, 2022