Објављен
The method is applicable to types of steel with niobium contents between 0,005 % (m/m) and 1,3 % (m/m). Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report. Annex A includes additional information on the international co-operative tests. Annex B gives a graphical representation of precision data.
ОБЈАВЉЕН
ISO 9441:1988
90.92
Одлука о измени или ревизији стандарда
19. 10. 2023.
ПРОЈЕКАТ
ISO/DIS 9441