ISO 4491-1:1989

Metallic powders — Determination of oxygen content by reduction methods — Part 1: General guidelines

Publication date:   Sep 28, 1989

General information

90.93 Standard confirmed   Mar 17, 2022


ISO/TC 119/SC 2 Sampling and testing methods for powders (including powders for hardmetals)

International Standard

77.160   Powder metallurgy



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Gives some recommendations for the correct interpretation of the results obtained. The test methods are applicable generally to all powders of metals, alloys, carbides and mixtures thereof. The constituents of the powder shall be non-volatile and free of lubricant or organic binder. The limitations of the methods which depend upon the nature of the analysed metal are discussed in clause 4.

Life cycle


ISO 4491-1:1989
90.93 Standard confirmed
Mar 17, 2022