ISO 4945:1977
International Standard
Historical
·
Approved on
01 December 1977
Steel — Determination of nitrogen content — Spectrophotometric method
ISO 4945:1977 Files
English
6 Pages
Historical
79.44 USD
ISO 4945:1977 Scope
This method is applicable to non-alloy and low-alloy steels containing between 0.002 % (m/m) and 0.050 % (m/m) of nitrogen and less than 0.6 % (m/m) of silicon. It allows the determination only of the nitrogen content which can be converted to an ammonium salt. Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report.
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