Abstract

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.


General information 

  • Status
     :  Withdrawn
    Publication date
     : 1977-12
  • Edition
     : 1
    Number of pages
     : 6
  • Technical Committee
     : ISO/TC 17/SC 1 Methods of determination of chemical composition
  • ICS
     :
    77.080.20 Steels

Life cycle


Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

Keep up to date with ISO

Sign up to our newsletter for the latest news, views and product information.

  2. Store
  3. Standards catalogue
  4. TC
  5. ISO/TC 17/SC 1
  6. ISO 4945:1977