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NS-EN ISO 4491-2:2023

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Abstract

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.

Document information

  • Standard from SN
  • Published:
  • Edition: 2023-04
  • Version: 1
  • Document type: NAT
  • ICS 77.160
  • National Committee CEN/BT

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