625 alloy (UNS Designation N06625) is an austenitic nickel-base superalloy
possessing excellent resistance to oxidation and corrosion over a broad range of corrosive conditions, including jet engine environments and in many other
aerospace and chemical process applications. The alloy has outstanding strength and toughness at temperatures ranging from cryogenic temperature to
2000Â°F (1093Â°C). 625 alloy also has exceptional fatigue resistance.