Metallic powders - Determination of oxygen content by reduction methods - Part 3: Hydrogen-reducible oxygen

The information about the standard:

Designation standards: ČSN EN ISO 4491-3
Classification mark: 420767
Catalog number: 522671
Publication date standards: 1.2.2026
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN

Annotation of standard text ČSN EN ISO 4491-3 (420767):

This document specifies a method for the determination of the hydrogen-reducible oxygen content of metallic powders containing mass percentage of 0,05 % to 3 % oxygen.
This document is applicable to unalloyed, partially alloyed or completely alloyed metal powders and also to mixtures of carbides and binder metal. This document is not applicable to powders containing lubricants or organic binders.
This document can be extended to powders containing carbon by the use of a special catalytic device. This document is intended to be used in conjunction with ISO 760 and ISO 4491-1