GB/T 9971-2004
Pure iron for raw material (English Version)
- Standard No.
- GB/T 9971-2004
- Language
- Chinese, Available in English version
- Release Date
- 2004
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2018-09
- Replace By
- GB/T 9971-2017
- Latest
- GB/T 9971-2017
- Replace
- GB/T 9971-1988
- Scope
- This standard stipulates the product classification, size, shape, weight, technical requirements, test methods, inspection rules, packaging marks and quality certificates of raw pure iron. This standard is applicable to pure iron billet, bar, flat steel and raw material for electrothermal alloy, precision alloy (including soft magnetic material, hard magnetic material, elastic alloy, expansion alloy, etc.), low-carbon and ultra-low-carbon stainless steel, and powder metallurgy. Hot rolled wire rod.
GB/T 9971-2004 history
- 2017 GB/T 9971-2017 Pure iron raw material
- 2004 GB/T 9971-2004 Pure iron for raw material
- 1988 GB/T 9971-1988 Pure iron for raw material
