Welcome to Jiangsu DLX alloy Co., Ltd.
Email:sales8@dlx-alloy.com Mobile/Whatsapp:+86 199 0611 9641
Specialized manufacturer of high temperature alloys, precision alloys and Incoloy,over 20 years.
Whatsapp:+86 199 0611 9641
Email:sales8@dlx-alloy.com
Add:NO.32 West Taihu Road, Xinbei District, Changzhou, Jiangsu,China
High Temperature Rod
Product Details

High-temperature alloys, often referred to as "superalloys," are essential materials used in industries where components are subjected to extreme temperatures above 600°C and high stress. These alloys possess remarkable high-temperature strength, corrosion resistance, fatigue performance, and fracture toughness. Known for their exceptional reliability and organizational stability, high-temperature alloys are used extensively in applications such as aviation, aerospace, petroleum, chemical industries, and marine engineering. Among these, GH4090 is one of the most crucial materials, especially in the manufacture of components like aero engine combustion chambers.
High-temperature alloys are generally composed of elements like iron, nickel, cobalt, and other alloying elements. Their performance in demanding conditions makes them a critical material in several industrial sectors:
High-Temperature Strength: These alloys maintain mechanical strength and structural integrity at high temperatures, making them ideal for applications in jet engines, turbines, and other high-heat environments.
Corrosion and Oxidation Resistance: The alloying elements, particularly chromium and nickel, provide exceptional resistance to corrosion and oxidation at elevated temperatures, ensuring long-term reliability and reducing maintenance costs.
Fatigue Resistance: High-temperature alloys are designed to withstand cyclic stresses, which is essential for components that experience repeated heating and cooling, such as those in aero engines.
Fracture Toughness: These alloys have high fracture toughness, ensuring that they do not fail under stress, which is crucial for safety-critical applications in aerospace and industrial turbines.
GH4090 Alloy Bar (Rod)
GH4090 is a high-performance, nickel-based alloy designed specifically for high-temperature applications. It is widely used in the aerospace industry, particularly for aero engine combustion chambers, which require materials that can endure the extreme operating conditions of high-velocity combustion and heat.
| Item | A-286 | Nimonic80A | Nimonic 90 | GH1140 | GH3625 | GH3536 | GH4169 |
|---|---|---|---|---|---|---|---|
| C | ≤0.08 | ≤0.1 | ≤0.13 | 0.06-0.12 | ≤0.1 | 0.05-0.15 | ≤0.08 |
| Mn | ≤2 | ≤1 | ≤1 | ≤0.7 | 3.14-4.15 | -- | ≤0.35 |
| Fe | rest | ≤3 | ≤1.5 | rest | ≤0.5 | -- | rest |
| P | ≤0.04 | ≤0.02 | -- | ≤0.025 | -- | -- | -- |
| S | ≤0.03 | ≤0.015 | ≤0.015 | ≤0.015 | -- | -- | ≤0.01 |
| Si | ≤1 | ≤1 | ≤1 | ≤0.8 | -- | -- | ≤0.35 |
| Cu | -- | -- | ≤0.2 | -- | -- | -- | ≤0.3 |
| Ni | 24-27 | rest | -- | 35-40 | rest | rest | 50-55 |
| Co | -- | ≤2 | 15-21 | -- | ≤1.00 | 0.5-2.5 | ≤1.00 |
| Al | ≤0.35 | 1-1.8 | 1-2 | 0.2-0.6 | ≤0.4 | ≤0.5 | 0.2-0.8 |
| Ti | 1.9-2.35 | 1.8-2.7 | 2-3 | 0.7-1.2 | ≤0.4 | ≤0.15 | 0.7-1.15 |
| Cr | 13.5-16 | 18-21 | 18-21 | 20-23 | 20-23 | 20.5-23 | 17-21 |
| Nb | -- | -- | -- | -- | -- | -- | 4.75-5.5 |
| Mo | 1-1.5 | -- | -- | 2-2.5 | 8-10 | 8-10 | 2.8-3.3 |
| B | 0.001-0.1 | ≤0.008 | ≤0.02 | -- | -- | -- | -- |
| V | 0.1-0.5 | -- | -- | -- | -- | -- | -- |
| W | -- | -- | -- | 1.4-1.8 | -- | 0.2-1 | -- |
| Zr | -- | ≤0.15 | ≤0.15 | -- | -- | -- | -- |
| Pb | -- | -- | ≤0.002 | -- | -- | -- | -- |
| Ce | -- | -- | -- | ≤0.05 | -- | -- | -- |
| Size Range | |
|---|---|
| Wire | 0.5-7.5mm |
| Rod/Bar | 8.0-200mm |
| Strip | (0.50-2.5)*(5-180)mm |
| Tube | custom made |
| Plate | custom made |
Exceptional Heat Resistance: GH4090 alloy maintains superior performance in high-temperature environments, particularly at temperatures exceeding 750°C.
Corrosion Resistance: The alloy’s high chromium and cobalt content provides excellent resistance to oxidation and corrosion, even in high-stress, high-temperature environments like those found in combustion chambers.
High-Strength at Elevated Temperatures: GH4090 alloy bars offer exceptional strength at high temperatures, making them perfect for components that need to endure extreme mechanical stresses and heat cycling.
Durability in Harsh Conditions: With its excellent fracture toughness, GH4090 alloy is perfect for use in critical applications where the material is subject to high cyclic stresses, such as in turbines and combustion chambers.


The process to manufacture GH4090 alloy bar (rod) involves several steps to ensure the material’s strength and performance:
Melting: High-purity raw materials are melted in an electric arc furnace or induction furnace. The molten metal is then refined to remove impurities and achieve the desired chemical composition.
Casting: After refining, the molten metal is cast into ingots. These ingots are then subjected to a homogenization heat treatment to ensure uniformity and eliminate segregation.
Forging: The ingots are hot-forged at temperatures above 1100°C to shape them into rods and refine their microstructure. This process is critical for improving the mechanical properties of the material.
Hot Rolling: The forged material is hot-rolled to reduce thickness and achieve the desired bar dimensions, improving the material’s directional properties and mechanical strength.
Annealing: The rolled bars are annealed at temperatures between 900-950°C to relieve internal stresses and improve ductility, ensuring they are ready for machining and further use.
Finishing: The final stage involves cutting the bars to the required lengths and applying surface treatments such as grinding, polishing, or coating to protect against environmental factors.

GH4090 alloy bars are essential in industries where materials must withstand extreme heat and mechanical stress. Here are some common applications:
The primary application of GH4090 alloy bars is in the manufacturing of combustion chamber components for jet engines. These parts are exposed to high temperatures and pressures and require materials with high resistance to oxidation, creep, and fatigue. GH4090 is the go-to material for this purpose due to its ability to maintain its strength and integrity under such extreme conditions.
GH4090 alloy bars are also used in the production of turbine blades for industrial gas turbines and jet engines. The alloy's high-temperature strength, coupled with its resistance to oxidation, makes it an ideal material for turbine components that need to endure the intense conditions found in combustion areas.
GH4090 is widely used in the production of industrial gas turbines, where high strength at elevated temperatures and corrosion resistance are critical for performance and durability.
Given its corrosion resistance, GH4090 is also used in marine propulsion systems, where it can withstand the harsh conditions of both high temperatures and seawater environments.
The alloy’s corrosion resistance makes it suitable for chemical processing equipment that operates at high temperatures, including components like reactors and heat exchangers.

Market Leader: GH4090 is recognized as a high-performance alloy, particularly for use in aero engines and turbines, positioning it as a leader in high-temperature alloys.
Flexible Products: We offer GH4090 in a variety of shapes and sizes, including rods, bars, and custom dimensions to meet your specific requirements.
Low MOQ and Customization: We can accommodate low minimum order quantities and offer customization for samples and bulk orders, ensuring flexibility for diverse needs.
Quick Production and Delivery: With short production lead times, we ensure fast delivery of GH4090 alloy bars for your projects, keeping your timelines on track.
Advanced Inspection Equipment: Our comprehensive quality control process involves spectrometers, tensile testers, and other professional equipment to verify the quality of each product.
Professional Business Team: Our dedicated team responds quickly to inquiries, providing 24-hour professional quotations and tailored product recommendations to meet your requirements.
Safe Packaging: We ensure that products are well-packaged according to your needs, with options like custom wooden boxes to protect the alloy bars during shipping.
Various Payment Methods: We offer a range of payment methods to make the purchasing process as convenient as possible for you.
Excellent Customer Feedback: We have long-term relationships with our clients, with many customers having cooperated with us for over 7 years.
Recognized by Industry Leaders: We are proud to be recognized by Google and other industry awards for our consistent excellence and quality.



CHANGZHOU DLX ALLOY CO, LTD was established in 2002 and has got ISO9001 International Quality Management System Certificate and SGS Certificate. Our factory is professional in researching and producing special alloy material. From melting, drawing, heat treatment, finishing and testing .We offer nickel based, copper-based, and iron-based alloys, including super alloy, welding materials, anti-corrosion alloy, Precision Alloy , FeCrAl alloy, NiCr alloy, CuNi alloy, thermocouple and etc, in the form of wire, strip, ribbon, bar, tube, plate.



Our 12,000㎡ factory is equipped with complete capabilities for research, production, testing, and packaging. We strictly adhere to ISO 9001 standards in our production processes, with an annual output of 1,200 tons. This ensures that we meet both quantity and quality demands. Furthermore, all products undergo rigorous simulated environment testing including high temperature, high pressure, and corrosion tests before being dispatched, ensuring they meet customer specifications. We also provide chemical analysis reports for every FeCrAl alloy, NiCr alloy, and other products purchased.
For all our clients, we offer timely and multilingual after-sales support and technical consulting, helping you resolve any issues swiftly and efficiently.

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1. What industries use GH4090 alloy bars?
GH4090 alloy bars are used primarily in the aerospace industry, including in aero engine combustion chambers and turbine blades, as well as in industrial gas turbines, marine propulsion systems, and chemical processing equipment.
2. What makes GH4090 alloy bars ideal for aero engine combustion chambers?
GH4090 offers excellent high-temperature strength, corrosion resistance, and fatigue resistance, making it perfect for components that endure extreme temperatures, high pressures, and oxidative environments.
3. Can GH4090 alloy bars be customized for specific applications?
Yes, GH4090 alloy bars are available in a variety of shapes, sizes, and dimensions to meet the specific requirements of different applications, and we offer customization for both small and large orders.
4. How can I get GH4090 alloy bars for my project?
To place an order or inquire further, please contact our sales team at sales8@dlx-alloy.com. We’re happy to offer professional advice and custom solutions for your high-temperature alloy needs.
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