
Product Description:
GH4090 is a high-performance nickel-based superalloy designed to deliver exceptional strength and stability in extreme high-temperature environments. Composed mainly of nickel, chromium, and iron, GH4090 provides superior resistance to oxidation, corrosion, and mechanical stress, making it ideal for high-temperature applications in industries such as aerospace, power generation, and petrochemical engineering.
This superalloy is specifically engineered to withstand temperatures often exceeding 1000°C while maintaining excellent tensile strength, fatigue resistance, and creep properties. Due to its composition and superior performance at elevated temperatures, GH4090 is used in applications where reliability and durability are critical.
Features:
High-Temperature Strength:
GH4090 maintains its mechanical properties at temperatures up to 1100°C, ensuring structural integrity under prolonged thermal stress.
Corrosion and Oxidation Resistance:
The alloy exhibits excellent resistance to oxidation and corrosion, especially in high-temperature and aggressive environments, due to the high content of chromium and nickel.
Fatigue and Creep Resistance:
GH4090 offers superior fatigue resistance, making it ideal for applications subjected to cyclic loading. It also resists creep, which ensures it maintains its shape and strength even under prolonged exposure to high temperatures.
Excellent Weldability:
GH4090 is highly weldable, allowing for easy fabrication and integration into complex systems and machinery.
Thermal Stability:
The alloy’s stability at high temperatures makes it suitable for use in high-performance components such as gas turbines and exhaust systems.


Comparison Parameter TableItem | 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 |
Applications:
Aerospace Industry:
GH4090 is commonly used in critical aerospace components, such as turbine blades, exhaust systems, and jet engine parts, due to its ability to endure high pressures and temperatures without degradation.
Power Generation:
The alloy is used in turbine blades, heat exchangers, and other components within power plants and nuclear reactors, where heat resistance and durability are essential for continuous operation.
Petrochemical and Refining:
In these industries, GH4090 is utilized in high-temperature environments such as furnace tubes, heat exchangers, and reaction vessels, where its excellent resistance to corrosion and oxidation ensures longevity and reliability.
Marine Applications:
The alloy is suitable for use in marine environments, including seawater-cooled heat exchangers and exhaust systems, where its resistance to corrosion from saltwater is crucial.
Oil and Gas Industry:
GH4090 is used for critical components like well tubing, casings, and completion equipment in oil and gas fields. Its resistance to high temperatures and harsh conditions ensures reliable performance in these demanding environments.


Benefits:
Longevity and Durability:
The exceptional resistance to high temperatures and corrosion reduces the need for frequent maintenance and replacement, offering a long service life.
Improved Performance in Extreme Conditions:
GH4090’s ability to perform at elevated temperatures makes it perfect for industries that rely on high-performance materials in extreme conditions.
Cost-Effectiveness:
While initially more expensive, the alloy’s extended lifespan and reduced maintenance costs make it a cost-effective solution for critical high-temperature applications.
Versatility:
GH4090 can be used across a wide range of industries, offering a versatile solution for many high-temperature, high-stress applications.



ABOUT US
About DLX ALLOY
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.



About Our factory
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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FAQ:Q1: What is GH4090?
A1: GH4090 is a high-performance nickel-based superalloy known for its exceptional strength, oxidation resistance, and thermal stability at high temperatures.
Q2: In which industries is GH4090 commonly used?
A2: GH4090 is widely used in aerospace, power generation, petrochemical, marine, and oil and gas industries.
Q3: What is the maximum temperature GH4090 can withstand?
A3: GH4090 can withstand temperatures up to 1100°C, making it suitable for high-temperature applications like turbines and exhaust systems.
Q4: Is GH4090 weldable?
A4: Yes, GH4090 is highly weldable, allowing for easy fabrication into complex shapes and structures.
Q5: What are the main advantages of using GH4090 alloy?
A5: The main advantages include excellent high-temperature strength, corrosion resistance, fatigue resistance, and creep resistance, making it ideal for extreme environments.