HB/Z 346-2002
Process and inspection of repair welding for investment castings of stssl (English Version)
- Standard No.
- HB/Z 346-2002
- Language
- Chinese, Available in English version
- Release Date
- 2002
- Published By
- Professional Standard - Aviation
- Latest
- HB/Z 346-2002
- Scope
- This guiding technical document specifies the determination of repair welding castings, preparation before repair welding, repair welding, cleaning after repair welding, heat treatment after repair welding, Repair welding quality inspection quality control and technical safety. This guiding technical document is applicable to the repair welding of casting defects in investment casting steel castings for aviation products and defects that occur during machining using manual tungsten ammonia arc welding and electrode arc welding.
HB/Z 346-2002 history
- 2002 HB/Z 346-2002 Process and inspection of repair welding for investment castings of stssl
