40.20 DIS ballot initiated: 12 weeks Mar 4, 2024
ISO
ISO/TC 17/SC 1 Methods of determination of chemical composition
International Standard
77.080.01 Ferrous metals in general
The method is applicable to chromium contents between 0.25 % (m/m) and 35 % (m/m). Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report. Annex A gives additional information on the international co-operative tests, and Annex B represents the precision data graphically.
PUBLISHED
ISO 4937:1986
IN_DEVELOPMENT
ISO/DIS 4937
40.20
DIS ballot initiated: 12 weeks
Mar 4, 2024