A comprehensive overview of the superalloy GH44
1.Chemical Composition:
Nickel (Ni):Allowance.
Chromium (CR):
Tungsten (W):
Titanium (Ti):
Iron (Fe):
Aluminum (AL):
Silicon (Si):
Manganese (MN):
Phosphorus (p):
Sulfur (s):
Molybdenum (Mo):
Carbon (c):
2.Heat treatment regime:
Heat treatment temperature:The solution treatment temperature of hot-rolled and cold-rolled plate and strip is 1120 1160, and the material performance inspection is carried out in the air-cooled and first-class state.
3.Variety, Specification and Status:
Plate Specifications:δ4 14mm hot rolled plate.
Cold Rolled Plate Specifications:δ0.5~4mm
Strip Specifications:δ0.1~0.8mm
Bar Specifications:Diameter d0310mm、d20300mm
**Status:Plates and strips after solution, pickling, trimming**; Wire is cold-drawn, co-ornity pickled or semi-hard**, and bars and forgings are not heat-treated**.
4.Melting & Casting Process:
Smelting process:Electric arc furnace, non-vacuum induction furnace or vacuum induction furnace + electroslag remelting or vacuum arc remelting process melting.
5.Applications:
It is used to make sheet stamping and welding structural parts for the combustion chamber and afterburner of aero engines.
It is suitable for parts such as mounting edges, conduit and guide vanes.
6.Technical Standards:
Superalloy cold drawn wire for welding:gjb 2612-1996
Specification for cold-rolled sheet of superalloy for aviation:gjb 1952-1994
Specification for superalloy ring blanks for aviation:gjb 3020-1997
Specification for hot-rolled and forged bars of superalloy for aviation load-bearing parts:gjb 3165-1998
Specification for high-temperature alloy hot-rolled sheet for aviation:gjb 3317-1998
Specification for superalloy hot-rolled strip for aviation:gjb 3318-1998
7.Features and Benefits:
It has high plasticity and medium thermal strength, and is suitable for working environments up to 900.
It has good oxidation resistance and stamping and welding process performance.
It is suitable for the manufacture of aero engine main combustion chamber, afterburner parts, heat shields and guide vanes.
GH44 is a solution-strengthened nickel-based oxidation resistant alloy that provides excellent performance and reliability for components in high-temperature environments such as aero engines.