This specification specifies the requirements, quality assurance regulations and delivery preparations for GH2901, GH4169 and GH 4500 high-temperature alloy shaft forgings for aviation. This specification applies to high-temperature alloy shaft forgings for aviation (hereinafter referred to as forgings).
HB 20082-2012 history
2013HB 20082-2012 Specification for superalloy shaft forgings for aviation