40.20 DIS ballot initiated: 12 weeks Mar 7, 2024
CEN
CEN/TC 459/SC 2 Methods of chemical analysis for iron and steel
European Norm
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.
IN_DEVELOPMENT
prEN ISO 4937
40.20
DIS ballot initiated: 12 weeks
Mar 7, 2024