GB/T 7990-2002
Impact test method of glass-lined layer (English Version)
- Standard No.
- GB/T 7990-2002
- Language
- Chinese, Available in English version
- Release Date
- 2002
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2014-10
- Replace By
- GB/T 7990-2013
- Latest
- GB/T 7991.4-2019
- Scope
- This standard specifies the method for measuring the mechanical impact resistance of the glass-lined layer. The method in this standard belongs to the destructive test method, and the glass-lined flat plate sample is used as the object of the mechanical shock resistance test. This test method is used to assess the comprehensive properties of the glass-lined layer, such as the mechanical impact resistance, the adhesion between the glass-lined layer and the base metal, and the residual stress of the glass-lined layer.
GB/T 7990-2002 history
- 2019 GB/T 7991.4-2019 Test method of viterous and porcelain enamels—Part 4：Determination of resistance to impact
- 2013 GB/T 7990-2013 Vitreous and porcelain enamels.Determination of resistance to impact
- 2002 GB/T 7990-2002 Impact test method of glass-lined layer
