GB/T 17229-1998
Active
YS/T 231-2007
Replaced
Industry standards-Non-ferrous metals
YS/T 231-2007 Tungsten concentrate
YS/T 231-2007 Tungsten concentrate
Basic Information
Standard Code:
YS/T 231-2007
Standard Type:
Industry standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
\nRare metal mines
ICS Name:
Other metal mines
Publish Date:
2007-04-13
Implement Date:
2007-10-01
Pages:
5 pages
Scope
This standard specifies the technical requirements, test methods, inspection rules, and marking, packaging, transportation, storage, and order form (or contract) content for tungsten concentrate. This standard applies to tungsten concentrate products obtained through mining, which are used in the production of ammonium paratungstate, tungsten oxide, tungsten iron, hard alloys, alloy steel, tungsten materials, and other tungsten alloys.
Development Information
Replace the following standards
YS/T 231-1994
Superseded by the following standards
Related Standards
GB/T 18114.10-2000
Replaced
GB/T 18114.10-2000 Methods for chemical analysis of monazite concentrates—Determination of water content
GB/T 18114.1-2000
Replaced
GB/T 18114.1-2000 Methods for chemical analysis of monazite concentrates—Determination of total rare earth and thorium oxide content
GB/T 18114.2-2000
Replaced
GB/T 18114.2-2000 Methods for chemical analysis of monazite concentrates—Determination of thorium oxide content
GB/T 18114.3-2000
Replaced
GB/T 18114.3-2000 Methods for chemical analysis of monazite concentrates—Determination of calcium oxide content
GB/T 18114.4-2000
Replaced