new material
GH4145 High-Temperature Alloy is a nickel-based superalloy designed for use in high-performance applications across aerospace, power generation, and high-temperature industries. It is renowned for its excellent thermal stability, oxidation resistance, and mechanical strength, making it suitable for components such as turbine blades, heat exchangers, and combustion chambers operating under extreme conditions.
Product Overview
GH4145 is a nickel-based high-temperature alloy primarily strengthened by the γ"[Ni₃(Al, Ti, Nb)] phase. This alloy offers excellent corrosion and oxidation resistance below 980°C, high strength below 800°C, and superior relaxation resistance below 540°C. GH4145 also provides good formability and weldability, making it widely used in aerospace and high-temperature applications where high strength and relaxation resistance are required.
Key Features
- Corrosion and Oxidation Resistance: Exhibits excellent corrosion and oxidation resistance below 980°C, making it suitable for harsh environments.
- High Strength and Relaxation Resistance: Maintains high strength below 800°C and excellent relaxation resistance below 540°C.
- Good Formability: Offers excellent machinability, ideal for producing complex structural parts.
- Outstanding Weldability: The alloy features excellent welding properties, suitable for the manufacture and maintenance of high-temperature components.
Applications
- Aerospace Engines: Primarily used for manufacturing key components such as flat springs and helical springs that operate below 800°C.
- Gas Turbines: Suitable for producing high-temperature parts like turbine blades in gas turbines.
- High-Temperature Environments: Widely used for components requiring excellent corrosion and oxidation resistance, high strength, and temperature endurance.
| C | Cr | Ni+Co | Al | Ti | Fe | Nb+Ta | |||||
| ≤0.08 | 14.0~17.0 | ≥70.0 | 0.40~~1.00 | 2.25~2.75 | 5.00~9.00 | 0.70~1.20 | |||||
| Co | Mn | Si | S | Cu | P | ||||||
| ≤1.00 | ≤1.00 | ≤0.50 | ≤0.010 | ≤0.50 | ≤0.015 | ||||||
