JB/T 6290-1992
Metallographic Examination of Internal Combustion Engine Cylinder Casting Piston Ring (English Version)
- Standard No.
- JB/T 6290-1992
- Language
- Chinese, Available in English version
- Release Date
- 1992
- Published By
- Professional Standard - Machinery
- Status
- 2008-02
- Replace By
- JB/T 6290-2007
- Latest
- JB/T 6290-2007
- Scope
- This standard specifies the inspection and evaluation methods for the metallographic structure of simple cast piston rings made of ordinary alloy cast iron. This standard is applicable to the inspection of the metallographic structure of piston rings of reciprocating internal combustion engines with a cylinder diameter less than or equal to 160mm.
JB/T 6290-1992 history
- 2007 JB/T 6290-2007 Internal combustion engines.Sleeve cast piston rings.Metallographic inspections
- 1992 JB/T 6290-1992 Metallographic Examination of Internal Combustion Engine Cylinder Casting Piston Ring
