GB/T 7737-1997
Ferroniobium (English Version)
- Standard No.
- GB/T 7737-1997
- Language
- Chinese, Available in English version
- Release Date
- 1997
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2008-02
- Replace By
- GB/T 7737-2007
- Latest
- GB/T 7737-2007
- Scope
- This standard specifies the technical requirements, test methods, inspection rules, packaging, storage and transportation, marking and quality certificates of ferroniobium. This standard applies to ferroniobium produced from niobium pentoxide and ferroniobium concentrate as raw materials for steelmaking, casting as additives and alloying agents for welding rods.
GB/T 7737-1997 history
- 2007 GB/T 7737-2007 Ferroniobium
- 1997 GB/T 7737-1997 Ferroniobium
