GB/T 3879-1983
Replaced
GB/T 26726-2011
Replaced
National standards
GB/T 26726-2011 Superfine tungsten powder
GB/T 26726-2011 Superfine tungsten powder
Basic Information
Standard Code:
GB/T 26726-2011
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, and marking, packaging, transportation, storage, quality certificates, and contract (or order form) content for ultra-fine tungsten powder.
This standard applies to ultra-fine tungsten powder produced by hydrogen reduction of tungsten oxide.
Development Information
Superseded by the following standards
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