GB/T 38719-2020
Metallic materials—Tube—Determination of biaxial stress-strain curve of tube by hydro-bulging test
- Standard No.
- GB/T 38719-2020
- 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 38719-2020
- Scope
- This standard specifies the terms and definitions, symbols and descriptions, test principles, equipment, samples, test procedures, calculation of biaxial stress-strain curves and test reports for hydraulic bulging tests on biaxial stress-strain curves of metal material tubes. This standard applies to circular cross-section thin-walled metal pipes (including seamless pipes and welded pipes) with a wall thickness of not less than 0.5 mm and a diameter-to-thickness ratio (ratio of outer diameter to wall thickness) greater than 20.
GB/T 38719-2020 Referenced Document
- GB/T 228 Metallic materials--Tensile testing at ambient temperature
GB/T 38719-2020 history
- 2020 GB/T 38719-2020 Metallic materials—Tube—Determination of biaxial stress-strain curve of tube by hydro-bulging test