GB/T 39428-2020
Steel castings by sand casting—Visual examination method of surface quality
- Standard No.
- GB/T 39428-2020
- Language
- Chinese
- Release Date
- 2020
- Published By
- 国家市场监督管理总局、中国国家标准化管理委员会
- Lastest
- GB/T 39428-2020
- Scope
- This standard specifies the visual inspection methods and quality grades for the surface quality of sand-cast steel castings. This standard applies to sand casting steel castings. 1.1 4 —5
GB/T 39428-2020 Referenced Document
- GB/T 5611 foundry term
GB/T 39428-2020 history
- 2020 GB/T 39428-2020 Steel castings by sand casting—Visual examination method of surface quality