new material
GH4090 High-Temperature Alloy is a nickel-based superalloy developed for aerospace, power generation, and high-temperature industrial applications. It is celebrated for its outstanding thermal stability, excellent oxidation resistance, and superior mechanical properties, making it suitable for critical components such as turbine blades, combustion chambers, and heat exchangers that operate under extreme conditions.
Product Overview
GH4090 is an age-hardened nickel-based high-temperature alloy containing high levels of cobalt and various strengthening elements. This alloy offers outstanding tensile strength and creep resistance in the temperature range of 815°C to 870°C. It features excellent oxidation and corrosion resistance, maintaining high fatigue strength even in environments with frequent temperature cycling. GH4090 also exhibits excellent machinability and weldability, making it ideal for the production of high-temperature load-bearing components such as turbine discs, blades, and other high-temperature fasteners for turbine engines.
Key Features
- High Tensile Strength and Creep Resistance: GH4090 demonstrates exceptional tensile strength and creep resistance in the 815°C to 870°C temperature range, making it ideal for high-temperature load-bearing environments.
- Excellent Oxidation and Corrosion Resistance: The alloy provides excellent oxidation and corrosion resistance, offering reliable performance in high-temperature environments.
- Good Fatigue Strength: The alloy maintains high fatigue strength, even under conditions of thermal cycling, making it suitable for complex mechanical components.
- Excellent Machinability and Weldability: GH4090 has good formability and welding properties, making it suitable for the production of complex components.
Applications
- Turbine Engines: Widely used for manufacturing high-temperature load-bearing components such as turbine discs, blades, and other key engine parts.
- High-Temperature Fasteners and Clamps: Used for producing fasteners, clamps, and seals that operate in high-temperature environments.
- Elastic Components: Ideal for manufacturing elastic components that must withstand high temperatures, creep, and fatigue.
- High-Temperature Durability Parts: Suitable for components requiring high fatigue resistance in demanding high-temperature environments.
| Grade | % | Ni | Cr | Fe | Mo | Nb | Co | C | Mn | Si | S | Cu | Al | Ti |
| GH4090 | Small | Balance | 18 | 15 | 1 | 2 | ||||||||
| Large | 21 | 1.5 | 21 | 0.13 | 0.4 | 0.8 | 0.015 | 0.2 | 2 | 3 |
