GB/T 38720-2020
Microstructure examination of medium-carbon steel and medium-carbon alloy structural steel after quenching
- Standard No.
- GB/T 38720-2020
- 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 38720-2020
GB/T 38720-2020 history
- 2020 GB/T 38720-2020 Microstructure examination of medium-carbon steel and medium-carbon alloy structural steel after quenching