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prEN ISO 4937

Steel and iron - Determination of chromium content - Potentiometric or visual titration method (ISO/DIS 4937:2024) prEN ISO 4937

Publication date:   Mar 7, 2024

General information

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

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Scope

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.

Life cycle

PREVIOUSLY

PUBLISHED
EN 24937:1990

PUBLISHED
EN 24937:1990/AC:1991

NOW

IN_DEVELOPMENT
prEN ISO 4937
40.20 DIS ballot initiated: 12 weeks
Mar 7, 2024