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Homepage>BS EN ISO 4491-2:2023 Metallic powders. Determination of oxygen content by reduction methods Loss of mass on hydrogen reduction (hydrogen loss)

BS EN ISO 4491-2:2023

Metallic powders. Determination of oxygen content by reduction methods Loss of mass on hydrogen reduction (hydrogen loss)

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Označení normy:	BS EN ISO 4491-2:2023
Počet stran:	16
Vydáno:	2023-04-28
ISBN:	978 0 539 20280 9
Status:	Standard

DESCRIPTION

BS EN ISO 4491-2:2023

This standard BS EN ISO 4491-2:2023 Metallic powders. Determination of oxygen content by reduction methods is classified in these ICS categories:

77.160 Powder metallurgy

This document specifies a method for the determination of the relative loss of mass which a metallic powder undergoes when heated in a stream of pure dry hydrogen under specified conditions. The purpose of this test is to evaluate a chemical powder characteristic which is of importance to the powder metallurgical industry. The test is not intended as a means for the determination of the content of specific elements (see Annex A and ISO 4491-1). The test method is applicable to unalloyed, partially alloyed and completely alloyed powders of the metals listed in Table 1 (see 7.2.1). It is not applicable to lubricated powders or to mixtures of metal powders.

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