JB/T 6902-1993
Liquid Penetrant Inspection Method for Valve Steel Castings (English Version)
- Standard No.
- JB/T 6902-1993
- Language
- Chinese, Available in English version
- Release Date
- 1993
- Published By
- Professional Standard - Machinery
- Status
- 2008-07
- Replace By
- JB/T 6902-2008
- Latest
- JB/T 6902-2008
- Scope
- This standard specifies the liquid penetrant inspection method for surface opening defects and the grade classification of defect display marks. This standard is applicable to liquid penetration inspection of valve steel castings.
JB/T 6902-1993 history
- 2008 JB/T 6902-2008 Methods for liquid penetrant examination of valves
- 1993 JB/T 6902-1993 Liquid Penetrant Inspection Method for Valve Steel Castings
