HB 7569-1997
DZ4 alloy ingot (English Version)
- Standard No.
- HB 7569-1997
- Language
- Chinese, Available in English version
- Release Date
- 1997
- Published By
- Professional Standard - Aviation
- Status
- 2006-05
- Replace By
- HB 7762-2005
- Latest
- HB 7762-2005
HB 7569-1997 history
- 2005 HB 7762-2005 Specification for master alloys of directionally solidified and single crystal superalloys for aeroengines
- 1997 HB 7569-1997 DZ4 alloy ingot
HB 7569-1997 DZ4 alloy ingot was changed to HB 7762-2005 Specification for master alloys of directionally solidified and single crystal superalloys for aeroengines.
