Standard

NS-EN ISO 4491-3:2025

Oct 2025 Published

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Abstract

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

Document information

Standard from SN
Published: 3 October 2025
Edition: 2025-09
Version: 1
Document type: NAT
ISBN:

ICS 77.160

Product Relations

Replaces: NS-EN ISO 4491-3:2006
Refers: ISO 760:1978
Adopted from: EN ISO 4491-3:2025

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NS-EN ISO 4491-3:2006
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NS-EN ISO 4491-3:2025

NS-EN ISO 4491-3:2025

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