ISO-3908 › Hardmetals - Determination of insoluble (free) carbon - Gravimetric method

ISO-3908 - 3RD EDITION - CURRENT
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ISO 3908:2009 specifies a gravimetric method for the determination of the mass fraction of insoluble (free) carbon in carbides and hardmetals.

This method is applicable to

  • carbides of hafnium, molybdenum, niobium, tantalum, titanium, vanadium, tungsten and zirconium,
  • mixtures of these carbides and binder metals, free of lubricant, and
  • all grades of presintered or sintered hardmetals, produced from these carbides,

having a mass fraction of insoluble carbon between 0,02 % and 0,5 %.

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Document Number

ISO 3908:2009

Revision Level

3RD EDITION

Status

Current

Publication Date

Oct. 1, 2009

Committee Number

ISO/TC 119/SC 4