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ISO 3908:2009

Hardmetals — Determination of insoluble (free) carbon — Gravimetric method

Standard Details

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 %.

General Information

Status : Published
Standard Type: Main
Document No: ISO 3908:2009
Document Year: 2009
Pages: 4
Edition: 3

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ISO 3908:2009

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