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.
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
Nimonic90 high temperature alloy bars is a high-performance nickel-based alloy known for its superior resistance to high temperatures, oxidation, and corrosion. It is designed to withstand extreme environments where high thermal stability and mechanical strength are required. Nimonic90 is especially valued for its ability to maintain strength at elevated temperatures, making it essential in industries such as aerospace, power generation, and petrochemical processing. The alloy has excellent fatigue performance and fracture toughness, making it suitable for use in critical components.
High-Temperature Strength:
Nimonic90 maintains its structural integrity even at temperatures above 600°C. The alloy exhibits high strength and thermal stability under prolonged exposure to heat, making it suitable for components in jet engines and gas turbines that are subjected to high thermal stress.
Oxidation and Corrosion Resistance:
The high nickel and chromium content in Nimonic90 enhances its ability to resist oxidation and corrosion, especially in high-temperature, high-pressure environments. This property is crucial for aerospace components that are exposed to extreme conditions such as engine parts, exhaust systems, and combustion chambers.
Excellent Fatigue and Fracture Toughness:
Nimonic90 exhibits outstanding fatigue resistance and fracture toughness. These characteristics are essential for parts that experience cyclic thermal and mechanical stresses, such as turbine blades, combustion chambers, and other aerospace components.
Solid Solution Strengthening:
Nimonic90 undergoes a solid solution strengthening process, which further improves its mechanical properties, especially at elevated temperatures. This ensures that the alloy can maintain its strength under stress for long periods without undergoing deformation.
Creep Resistance:
With its resistance to creep deformation, Nimonic90 is highly durable under constant stress at elevated temperatures. This is crucial for components that need to maintain their shape and function in harsh conditions.
Comparison Parameter Table
Item | A-286 | Nimonic80A | Nimonic 90 | GH1140 | |||
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 |
Nimonic90 is used across several industries where high strength and heat resistance are crucial:
Aerospace Industry:
The alloy is widely used in the manufacturing of critical aerospace components, such as turbine blades, nozzles, and combustion chambers, which need to operate at high temperatures. Its resistance to oxidation and fatigue makes it ideal for these demanding applications.
Power Generation:
In gas turbines and steam turbines, Nimonic90 is used for high-stress parts that require exceptional heat resistance. The alloy ensures that the turbines operate efficiently even under continuous heat and pressure.
Petrochemical and Chemical Processing:
Due to its resistance to high temperatures and corrosion, Nimonic90 is utilized in the petrochemical sector for parts exposed to high heat and harsh chemical environments, such as reactor linings and heat exchangers.
Marine Applications:
Nimonic90 is used in marine turbines and exhaust systems, where both high temperature and corrosion resistance are required to withstand the harsh marine environment and extended operational cycles.
Manufacturing Process of Nimonic90 High-Temperature Alloy Round Rod
The production process of Nimonic90 involves several key steps to ensure that the final product meets the highest standards of quality and performance:
Melting:
The process starts with melting high-purity raw materials 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 alloy is cast into ingots. These ingots undergo homogenization heat treatment to ensure uniformity and eliminate segregation.
Forging:
The ingots are hot-forged at temperatures exceeding 1,100°C. Forging improves the alloy's mechanical properties by refining the microstructure and ensuring it has the necessary strength for high-temperature applications.
Hot Rolling:
Following forging, the material is hot-rolled to reduce thickness and achieve the required dimensions. This process also enhances the directional properties of the alloy, which are important for certain applications.
Annealing:
The rolled rods are annealed at temperatures between 900°C and 950°C to relieve internal stresses and improve ductility, preparing them for final machining and use.
Finishing:
The final step involves cutting the rods to specific lengths and applying necessary surface treatments like polishing or coating to protect against oxidation and environmental factors.
Superior High-Temperature Performance:
With its high-temperature strength and resistance to oxidation, Nimonic90 offers superior performance in extreme environments, particularly in aerospace and power generation.
Long Service Life:
Nimonic90's resistance to high-temperature corrosion, oxidation, and creep ensures that components made from this alloy have a long service life, reducing maintenance and replacement costs.
Versatility in Fabrication:
This alloy can be welded and machined using standard techniques, making it adaptable for a wide range of industrial applications where high strength and heat resistance are required.
Enhanced Durability:
The solid solution strengthening process and the alloy's exceptional resistance to fatigue and fracture ensure that components made from Nimonic90 remain reliable and durable even under the most demanding conditions.
FAQ
Q1: What is Nimonic90 made of?
A1: Nimonic90 is a nickel-based high-temperature alloy that contains nickel, chromium, and other elements such as titanium and aluminum. It is specifically designed for use in high-temperature applications that require excellent strength and resistance to oxidation.
Q2: What are the main applications of Nimonic90?
A2: Nimonic90 is commonly used in aerospace components, gas turbines, petrochemical processing, and marine applications, especially for parts exposed to high temperatures and mechanical stress.
Q3: Can Nimonic90 be welded?
A3: Yes, Nimonic90 can be welded using standard welding techniques, making it versatile for different manufacturing and fabrication processes.
Q4: What is the maximum temperature Nimonic90 can withstand?
A4: Nimonic90 can withstand temperatures up to 1,000°C and beyond, depending on the specific application and operating conditions.
Q5: How is Nimonic90 produced?
A5: Nimonic90 is produced through a series of processes including melting, casting, forging, hot rolling, annealing, and finishing to ensure it meets the required mechanical properties and quality standards.
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