GH4099 (also known as GH99) is a highly alloyed, nickel-based aging sheet alloy with excellent high-temperature performance and a wide range of applications. Here is a detailed analysis of the GH4099 alloy:
Chemical composition: The chemical composition of GH4099 alloy includes a variety of elements, and the precise ratio of these elements gives the alloy its special properties. The main elements include:
Aluminum (AL): 70－9.0%
Carbon(c): 015%
Chromium (CR): 265-29.5%
Copper (cu): 050%
Iron (Fe): 50%
Nickel (Ni): Margin.
Phosphorus (p): 0015%
Sulfur (s): 0015%
Titanium (Ti): 07-1.5%
Molybdenum (Mo): 10-3.0%
The reasonable ratio of these elements gives GH4099 alloy excellent high-temperature performance and oxidation resistance.
Performance characteristics: High temperature performance: GH4099 alloy can be used for a long time in a high-temperature environment, with a maximum working temperature of up to 1000 meters, and excellent thermal strength.
Oxidation resistance: The alloy has excellent oxidation resistance and is suitable for use in high-temperature oxidation environments.
Hot and cold processing performance: GH4099 alloy has satisfactory cold and hot working forming and welding process performance, and can manufacture parts with complex shapes.
International Corresponding Grades:
The international corresponding grades of GH4099 alloy include 693 and 68 Russia), etc. These corresponding grades are widely recognized internationally and contribute to the application of the alloy and internationally**.
Applications: GH4099 alloy is suitable for engineering applications in a variety of high-temperature environments, including:
Manufacture of high-temperature plate bearing welded structural parts for aero engine combustion chamber and afterburner combustion chamber.
Manufacture of aero engine afterburner adjustable nozzle housing to reduce engine weight and extend life.
Large-scale plate structural parts are manufactured, and can be used directly without aging treatment.
Compare products: Compared to GH4099 alloy, let's consider Inconel 718 alloy. Inconel 718 is a nickel-based superalloy with excellent high-temperature properties and oxidation resistance, which is widely used in aerospace and petrochemical industries. Although GH4099 alloy and Inconel 718 alloy have similar properties in some aspects, there are differences in their chemical composition and some properties.
GH4099 alloy contains a higher proportion of chromium and titanium, which gives it better oxidation resistance in high-temperature environments. On the other hand, Inconel 718 alloy has a higher nickel content, providing better corrosion resistance and thermal fatigue properties. Choosing the right alloy depends on the needs of the specific application.
In summary, GH4099 alloy is a superalloy that performs well in high-temperature and corrosive environments, and has a wide range of application prospects, especially for applications in the aerospace field that require high-temperature strength and oxidation resistance. At the same time, according to the specific needs, it can be considered for comparison and selection with other superalloys such as Inconel 718.