ISO/DIS 4937

Steel and iron — Determination of chromium content — Potentiometric or visual titration method ISO/DIS 4937

General information

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

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
ISO 4937:1986

NOW

IN_DEVELOPMENT
ISO/DIS 4937
40.20 DIS ballot initiated: 12 weeks
Mar 4, 2024