GB/T 1221-1992
Heat-resisting steel bars (English Version)
- Standard No.
- GB/T 1221-1992
- Language
- Chinese, Available in English version
- Release Date
- 1992
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2007-12
- Replace By
- GB/T 1221-2007
- Latest
- GB/T 1221-2007
- Scope
- This standard specifies the size, shape, technical requirements, test methods, acceptance rules, packaging marks and quality certificates of heat-resistant steel rods. This standard applies to hot-rolled and forged heat-resistant steel rods with a size not greater than 250mm, and its chemical composition is also applicable to ingots and billets.
GB/T 1221-1992 history
- 2007 GB/T 1221-2007 Heat-resistant steel bars
- 1992 GB/T 1221-1992 Heat-resisting steel bars
