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

Nimonic 80A alloy bars are high-performance materials designed specifically for use in extreme temperature and stress conditions. Known for their outstanding creep resistance, these bars are ideal for applications in aircraft engine rotor blades, where high strength, durability, and stability are essential. This article will explore the key properties, manufacturing process, chemical composition, and advantages of Nimonic 80A alloy bars, particularly in the aerospace industry.
Nimonic 80A is a nickel-chromium-based alloy that offers a range of superior properties, making it the preferred choice for high-temperature applications in the aerospace industry.
High Creep Resistance: One of the most important features of Nimonic 80A alloy is its excellent resistance to creep, which is the slow deformation of the material under constant stress at high temperatures. This makes it highly suitable for use in aircraft engine rotor blades that operate at extremely high temperatures and stresses.
Excellent High-Temperature Strength: Nimonic 80A maintains its mechanical properties even at elevated temperatures, often exceeding 700°C (1,292°F). This allows it to perform reliably in hot sections of gas turbines and engines.
Corrosion and Oxidation Resistance: The alloy offers exceptional resistance to oxidation and corrosion, even in aggressive environments where exposure to high temperatures and chemical reactions is common. This ensures long service life and reliability.
Fatigue Resistance: Nimonic 80A exhibits high fatigue strength, which means it can withstand the repetitive stresses and strains experienced by components like engine rotor blades.
Good Weldability: The alloy is relatively easy to weld and fabricate, making it a versatile material for complex aerospace components that require precision and strength.


Manufacturing Process of Nimonic 80A Alloy Bar
The production of Nimonic 80A alloy bars involves several stages, each designed to ensure the alloy maintains its superior mechanical properties:
Melting
The process begins with the melting of high-purity raw materials in an electric arc furnace or induction furnace. The molten metal is refined to remove impurities and achieve the desired chemical composition.
Casting
Once refined, the alloy is cast into ingots. These ingots are then subjected to a homogenization heat treatment to eliminate segregation and ensure uniformity.
Forging
The ingots are hot-forged at temperatures above 1,000°C to shape the material and refine its grain structure. This step significantly enhances the mechanical properties of Nimonic 80A.
Hot Rolling
After forging, the alloy undergoes hot rolling to reduce thickness and achieve the desired dimensions of the bars. This process also helps to improve the directional properties of the alloy.
Annealing
The bars are annealed at temperatures between 900-950°C to relieve internal stresses and enhance ductility, preparing them for further processing.
Finishing
Finally, the bars are cut to the required lengths and undergo surface treatments like grinding, polishing, or coating to ensure they meet quality standards.


Comparison Parameter Table
Item | Nimonic80A | Nimonic 90 | GH1140 | GH3625 | |||
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 |
Nimonic 80A offers numerous advantages, particularly for aerospace applications that require high strength, stability, and resistance to extreme conditions:
Exceptional Creep Resistance: The alloy's ability to resist creep under high-temperature stress is crucial for components like engine rotor blades that experience constant stress over extended periods.
High-Temperature Strength: Nimonic 80A can maintain its strength and stability even in high-temperature environments, ensuring the reliable operation of components in gas turbines and aircraft engines.
Corrosion and Oxidation Resistance: The alloy's resistance to oxidation and corrosion in high-temperature, high-stress environments makes it a durable material for aerospace applications, increasing the lifespan of engine components.
Fatigue Resistance: Nimonic 80A has excellent resistance to fatigue, making it suitable for components subjected to repeated stress cycles, such as turbine blades and other rotating parts.
Versatility: Nimonic 80A is easy to fabricate and weld, making it adaptable for various aerospace applications, from complex engine parts to structural components.



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.

Client Visits
Building Stronger Partnerships


FAQ
Q1: What is Nimonic 80A used for?
A1: Nimonic 80A is primarily used in aerospace applications, especially for components like engine rotor blades, turbine blades, and other high-temperature, high-stress parts. It is also used in gas turbines and other critical engine components.
Q2: How does Nimonic 80A perform in high-temperature environments?
A2: Nimonic 80A is designed to maintain its mechanical properties at temperatures exceeding 700°C (1,292°F). It has excellent high-temperature strength and resistance to creep, making it ideal for use in gas turbines and aircraft engines.
Q3: Can Nimonic 80A be welded?
A3: Yes, Nimonic 80A is relatively easy to weld using standard welding techniques, making it suitable for complex aerospace applications that require precision and strength.
Q4: What are the key benefits of using Nimonic 80A alloy?
A4: The main benefits of Nimonic 80A include high creep resistance, excellent high-temperature strength, fatigue resistance, and outstanding corrosion and oxidation resistance. These properties make it ideal for critical aerospace applications.
Q5: What industries commonly use Nimonic 80A?
A5: Nimonic 80A is widely used in the aerospace industry, particularly for turbine blades, engine parts, and other high-performance components exposed to extreme temperatures and mechanical stresses.
Q6: How do I contact your company for more information?
A6: For more details about Nimonic 80A alloy bars or to place an order, please contact us at [sales8@dlx-alloy.com] or call [+8619906119641]. Our team is ready to assist you with all inquiries.
Previous article:High Quality 4J29 Kovar Precision Alloy Tube Factory Direct Price