GB/T 4009-1989
Chromium silicon (English Version)
- Standard No.
- GB/T 4009-1989
- Language
- Chinese, Available in English version
- Release Date
- 1989
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2009-04
- Replace By
- GB/T 4009-2008
- Latest
- GB/T 4009-2008
- Scope
- This standard specifies the technical requirements, test methods, inspection rules and quality certificates of silicon-chromium alloys. This standard applies to silicon-chromium alloys used as reducing agents and alloying agents in steelmaking and casting, and as reducing agents in ferrochrome refining.
GB/T 4009-1989 history
- 2008 GB/T 4009-2008 Chromium silicon
- 1989 GB/T 4009-1989 Chromium silicon
