GB/T 3879-1983
Replaced
GB/T 26725-2011
Replaced
National standards
GB/T 26725-2011 Superfine tungsten carbide powder
GB/T 26725-2011 Superfine tungsten carbide powder
Basic Information
Standard Code:
GB/T 26725-2011
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
Metal and alloy powders
ICS Name:
Powder metallurgy
Publish Date:
2011-06-16
Implement Date:
2012-02-01
Pages:
6 pages
Scope
This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality certificates, and contract (or order form) contents for ultra-fine tungsten carbide powder.
This standard applies to ultra-fine tungsten carbide powder used in the production of powder metallurgy products such as hard alloys.
Development Information
Superseded by the following standards
Referenced Standards
GB/T 4324.28-1984 Methods for chemical analysis of tungsten--The thiocy anate photometric method for the determin-ation of molybdenum content
GB/T 4324.29-1984 Methods for chemical analysis of tungsten--The gravimetric method for the determination of residue content after chloride volatility
GB/T 4324.30-1984 Methods for chemical analysis of tungsten--The gravimetric method for the determination of loss content on ignition
GB/T 5124.1-1985 Methods for chemical analysis of hardmetals—The gravimetric method for the determination of total carbon content
GB/T 5124.1-2008 Methods for chemical analysis of hardmetals—Determination of total carbon content—Gravimetric method
GB/T 5124.2-1985 Methods for chemical analysis of hardmetals—The gravimetric method for the determination of free(insoluble) carbon content
GB/T 5124.2-2008 Methods for chemical analysis of hardmetals—Determination of insoluble(free) carbon content—Gravimetric method
GB/T 5314-1985 Powders for powder metallurgical purposes—Sampling
GB/T 5314-2011 Powders for powder metallurgical purposes—Sampling
GB/T 19587-2004 Determination of the specific surface area of solids by gas adsorption using the BET method
GB/T 19587-2017 Determination of the specific surface area of solids by gas adsorption using the BET method
YS/T 559-2009 Methods for emission spectrum analysis of tungsten
YS/T 559-2006 Methods for emission spectrum analysis of tungsten
\nYS/T 559-2025 Method for the Emission Spectrum Analysis of Tungsten
Related Standards
GB/T 4309-1984
Replaced
GB/T 4309-1984 Classification and designation for powder metallurgy materials
GB/T 5124.1-1985
Replaced
GB/T 5124.1-1985 Methods for chemical analysis of hardmetals—The gravimetric method for the determination of total carbon content
GB/T 5124.2-1985
Replaced
GB/T 5124.2-1985 Methods for chemical analysis of hardmetals—The gravimetric method for the determination of free(insoluble) carbon content
GB/T 5124.3-1985
Replaced
GB/T 5124.3-1985 Methods for chemical analysis of hardmetals—The potentiometric method for the determination of cobalt content
GB/T 5124.4-1985
Replaced