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EN ISO 3908:2009

Hardmetals - Determination of insoluble (free) carbon - Gravimetric method (ISO 3908:2009) EN ISO 3908:2009

Publication date:   Feb 28, 2010

General information

60.60 Standard published   Oct 1, 2009

CEN

CEN/BT

European Norm

77.160   Powder metallurgy

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Scope

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 %.

Life cycle

PREVIOUSLY

WITHDRAWN
EN 23908:1993

NOW

PUBLISHED
EN ISO 3908:2009
60.60 Standard published
Oct 1, 2009