GH80A(4080A)
GH80A is a high-temperature alloy based on nickel-chromium, with aluminum and titanium added to form R-phase dispersion strengthening. Except for the slightly higher aluminum content, it is similar to GH4033. Its operating temperature is 700~800℃, and it has good performance at 650~850℃. Creep properties and oxidation resistance.






Product Description:
GH80A is a high-temperature alloy based on nickel-chromium, with aluminum and titanium added to form R-phase dispersion strengthening. Except for the slightly higher aluminum content, it is similar to GH4033. Its operating temperature is 700~800℃, and it has good performance at 650~850℃. Creep properties and oxidation resistance.
Physical properties:
Density: 8.15g/cm3
Melting point 1405℃
Extreme chemical composition:
Alloy Grade | % | Ni | Cr | Fe | Mn | Si | P | S | Al | Ti | C | Co | B | Zr | Cu |
Min | Balance | 18 | 1 | 1 | 1.8 | 0.04 | |||||||||
Max | 21 | 3.0 | 1.0 | 0.8 | 0.02 | 0.015 | 1.8 | 2.7 | 0.1 | 2.0 | 0.008 | 0.15 | 0.2 |
The minimum mechanical properties of the alloy at room temperature:
Alloy Grade | tensile strength Rm N/m㎡ | Yield Strength RP0.2 N/ m㎡ | Elongation A5% |
GH80A | 930 | 620 | 20 |
characteristic:
Precipitation hard-enable alloy with excellent high temperature (up to 815°C) tensile properties.
Has excellent antioxidant and anti-corrosion properties.
Has good welding performance.
Has good processing properties.
Has good heat treatment properties.
Application areas:
Used to manufacture engine rotor blades, guide blade supports, bolts, blade lock plates and other parts
form:
Mainly supplies hot-rolled bars, cold-drawn bars, hot-rolled plates, cold-rolled plates, strips and rings