This standard applies to stressed, rotating disc forgings such as compressor discs, turbine discs and load-bearing rings made of GH 698 high-temperature alloy with operating temperatures below 750°C. This standard is equivalent to Q/C 3B3-1984 of Great Wall Steel Plant No. 3 Plant and Fushun Steel Plant Fugaoxin 698-13.
HB 5285-1984 history
1970HB 5285-1984 GH698 Alloy Disc Forgings for Aviation