| Customization: | Available |
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| Application: | Aviation, Electronics, Industrial, Medical, Chemical |
| Standard: | JIS, GB, DIN, BS, ASTM, AISI |
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GH1131 (K1131) is a solution-strengthened iron-nickel-chromium based superalloy designed for exceptional high-temperature strength and oxidation resistance up to approximately 1100°C (2012°F). It features superior resistance to thermal fatigue, good formability, and excellent weldability, making it well-suited for demanding aerospace applications.
GH1131 alloy possesses good hot and cold workability, although it exhibits significant work hardening during cold forming. Consequently, complex shaping operations often require multiple intermediate annealing stages to maintain ductility and prevent cracking. The alloy is readily weldable using common techniques such as TIG, MIG, and resistance welding, typically employing matching composition filler wires (e.g., GH1131 wire per GB/T 15620).
To achieve optimal mechanical properties and corrosion resistance, GH1131 is supplied in the solution annealed condition, typically heat treated within the range of 1230-1260°C (2246-2300°F) followed by rapid cooling (air or water quench).
GH1131 finds extensive use in critical high-temperature components for military and commercial jet engines and gas turbines, particularly combustion chambers (flame tubes/liners), afterburner components, transition ducts, and structural parts requiring high strength-to-weight ratio and thermal stability in oxidizing environments. It is often selected as a cost-effective alternative to alloys like Inconel 625 (GH3625) in many applications.
| Weight% | Ni | Cr | Fe | Mn | Nb | W | N | B | S | P | C | Si |
| GH1131 | 25-30 | 19-22 | Bal | ≤1.2 | 0.7-1.3 | 4.8-6 | 0.15-0.3 | ≤0.005 | ≤0.02 | ≤0.02 | ≤0.1 | ≤0.8 |
Hosea Special Alloys, established in 2004, follows the principle of "Quality First, Customer First," providing high-performance special alloy materials globally.
We are ISO 9001 certified and specialize in nickel-based, cobalt-based, and iron-nickel alloys. Our products include super alloys, corrosion-resistant alloys, welding materials, precision alloys, thermocouple wire, and more, available in forms such as customized wire, strips, bars, tubes, and plates. We are dedicated to delivering innovative and high-quality alloy solutions.Support performance customization services.
Support experimental steel customization.
What types of high-temperature alloy products do you offer?
We offer high-temperature alloy rods, wires, strips, plates, tubes, bolts, and nuts. Our products cover various specifications and sizes to meet different application needs.
How to choose the right high-temperature alloy material?
Choosing the right high-temperature alloy material requires a comprehensive consideration of factors such as the temperature, corrosiveness, and mechanical strength requirements of the specific application environment. Our engineers can provide professional advice to help you select the most suitable material.
What international standards do your high-temperature alloy products meet?
Our products meet international standards such as ASTM, AMS, GB/T, ensuring product quality and reliability.
Can you customize products according to customer requirements?
Yes, we offer customized services based on the specific needs of our customers, including special specifications and performance requirements.
What are your production processes and quality control like?
We use advanced production processes and a strict quality control system. From raw material procurement to the final product shipment, every step is carefully monitored to ensure the product quality meets the standards.
Can you provide samples?
Yes, we can provide samples according to your requirements.
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