GB/T 1222-1984
Spring steels (English Version)
- Standard No.
- GB/T 1222-1984
- Language
- Chinese, Available in English version
- Release Date
- 1984
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2008-03
- Replace By
- GB/T 1222-2007
- Latest
- GB/T 1222-2016
- Scope
- This standard applies to hot-rolled, cold-drawn round, square, flat and special-shaped cross-section spring steel.
GB/T 1222-1984 history
- 2016 GB/T 1222-2016 Spring steels
- 2007 GB/T 1222-2007 Spring steels
- 1984 GB/T 1222-1984 Spring steels
- 1975 GB 1222-1975 spring steel