GB/T 9439-1988
Grey iron castings (English Version)
- Standard No.
- GB/T 9439-1988
- Language
- Chinese, Available in English version
- Release Date
- 1988
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2011-02
- Replace By
- GB/T 9439-2010
- Latest
- GB/T 9439-2023
- Scope
- This standard specifies the grades of gray cast iron and technical conditions for castings. This standard applies to gray iron castings cast in sand molds or molds with equivalent thermal conductivity to sand molds. It can also be used as a reference for gray iron castings cast in other molds.
GB/T 9439-1988 history
- 2023 GB/T 9439-2023 Gray cast iron parts
- 2010 GB/T 9439-2010 Grey iron castings
- 1988 GB/T 9439-1988 Grey iron castings
- 1985 GB 5675-1985 Gray Iron Grading
