Unleash the Power of Nickel-Chromium Alloy with SIZEN's Expertise

At SIZEN, we are a trusted leader in manufacturing high-quality nickel-chromium alloy products, combining advanced technology and years of industry expertise. Our commitment to excellence drives us to deliver solutions that meet the evolving needs of our customers, ensuring reliability and performance in every product we offer.
Our nickel-chromium alloys are designed to provide superior strength, durability, and resilience, making them ideal for demanding environments. With a focus on precision and quality control, SIZEN guarantees that each product is crafted to the highest standards, delivering consistent results you can rely on. Let us help you unlock the full potential of nickel-chromium alloys for your next project.
Specifications of Our Nickel-Chromium Alloy
Grade
| ASTM | GB | UNS | DIN | JIS | More |
|---|---|---|---|---|---|
| Inconel 600 | NS3102 | N06600 | 2.4816 | NCF1B | 1Cr15Ni75Fe8 |
| Inconel 601 | NS3103 | N06601 | 2.4851 | NCF601 | 1Cr23Ni60Fe13Al |
| Inconel 617 | N06617 | 2.4663 | |||
| Inconel 625 | NS3306 | N06625 | 2.4856 | NCF625 | 0Cr20Ni65Mo10Nb4 |
| Inconel 718 | GH4169 | N07718 | 2.4668 | ||
| Inconel X750 | GH4145 | N07750 | 2.4669 |
Shape
| Shape of Our Nickel-Chromium Alloy | ||||||
|---|---|---|---|---|---|---|
| Plate/Sheet | Rod/Bar | Strip/Foil | Wire | Forgings | Pipe/Tube | Customize |
Mechanical Behavior
| Hardness Tester | Tensile Strength | Tensile Strength | Elongation | Modulus of Elasticity | Modulus of Elasticity |
|---|---|---|---|---|---|
| Rockwell B 79 | Ultimate 558 MPa | Yield 290 MPa 0.2%YS | break 50% 2 inches | 193 GPA Tension | 77 GPA Torsion |
Thermal Performance
| Coefficient of Thermal Expansion | Heat capacity | Thermal conductivity | Thermal conductivity |
|---|---|---|---|
| Linear 20°C 16μm/m-°C 0 to 100°C | 0.5 J/g-°C 0°C~100°C | 16.2 W/mK at 100°C | 21.4 W/mK at 500°C |
Why Choose SIZEN Nickel-Chromium Alloy

Consistently high standards for reliable, top-quality alloys.

Years of experience delivering alloys that exceed expectations.

Customized alloys to meet your specific project requirements.

Reliable worldwide supply and timely delivery to any location.

Eco-friendly manufacturing with cutting-edge technologies.
5 MAIN REASONS TO CHOOSE US
1
Uncompromising Quality
At SIZEN, we ensure that every batch of our nickel-chromium alloy is manufactured to the highest standards, guaranteeing exceptional consistency and reliability for all applications.
2
Expertise You Can Trust
With years of experience in alloy production, our team has the knowledge and skills to deliver products that exceed industry expectations, making us a trusted partner for your alloy needs.
3
Tailored Solutions
We offer customized nickel-chromium alloy options, tailored to meet the specific requirements of your projects, ensuring optimal performance and efficiency.
4
Global Availability
SIZEN proudly offers worldwide supply of our nickel-chromium alloys, ensuring timely delivery and consistent quality to customers across the globe, no matter where your business is located.
5
Sustainability and Innovation
SIZEN is committed to innovation and sustainability, using cutting-edge technologies and environmentally responsible practices to manufacture nickel-chromium alloys that support both performance and ecological responsibility.
Characteristics of Nickel-Chromium Alloy

High-Temperature Strength
Nickel-chromium alloys maintain exceptional strength and toughness at elevated temperatures, ensuring reliable performance in high-heat environments such as gas turbines, jet engines, and industrial furnaces where other materials may fail.

Exceptional Oxidation Resistance
These alloys form a protective oxide layer at high temperatures, shielding them from oxidation and degradation. This property ensures structural integrity and durability, making them ideal for prolonged use in oxygen-rich, high-temperature conditions.

Corrosion Resistance in Harsh Environments
Nickel-chromium alloys resist corrosion from acidic, alkaline, and saline environments. Their ability to withstand seawater, steam, and chemical exposure makes them indispensable in chemical processing, power generation, and marine industries.

High Creep Resistance
The alloys exhibit outstanding resistance to deformation under sustained high temperatures and stress. This feature ensures longevity and reliability in demanding applications such as power plants and aerospace, where materials face prolonged thermal and mechanical loads.

Resistance to Extreme Pressures
Nickel-chromium alloys can endure intense pressure conditions without losing structural integrity. This characteristic is vital for applications in aerospace, deep-sea exploration, and other high-pressure environments requiring unparalleled material strength.

Low Thermal Expansion
These alloys exhibit minimal thermal expansion, allowing them to maintain dimensional stability during rapid or extreme temperature changes. This trait is critical for precision applications such as instrumentation and aerospace components.

Versatility in Fabrication
Nickel-chromium alloys are easy to process into various forms, including sheets, rods, and complex shapes, through forging, casting, and machining. This versatility makes them suitable for applications ranging from heavy industry to specialized components.
Diverse Applications
Aerospace Industry
Nickel-chromium alloys are integral to the aerospace industry, particularly in the construction of jet engines, turbines, and exhaust systems. Their ability to withstand extreme temperatures and mechanical stress makes them ideal for components like turbine blades, combustion chambers, and airframe parts. For example, Inconel 718 is widely used in gas turbine engine disks due to its high-temperature strength and fatigue resistance.


Oil and Gas Extraction
In the oil and gas industry, nickel-chromium alloys, such as Inconel 625, are used in harsh environments where high temperatures and corrosive gases are prevalent. These alloys are often employed in components like wellheads, pipelines, and separators for natural gas processing. Their ability to resist corrosion and thermal fatigue makes them essential for maintaining safety and efficiency in this demanding field.
Chemical Processing Industry
Nickel-chromium alloys are widely used in chemical processing equipment due to their superior resistance to corrosive chemicals and high-temperature environments. These alloys are used in valves, pumps, piping systems, reactors, and heat exchangers. Inconel's resistance to oxidation, scaling, and aggressive chemicals ensures that these components have a long service life, even under harsh operating conditions.


Power Generation
Nickel-chromium alloys play a critical role in power generation, particularly in gas and steam turbines, as well as in generators. These alloys, like Inconel 600, offer resistance to high-temperature oxidation and scaling, making them ideal for steam generator tubing, boiler feedwater heaters, and turbine blades. Their durability under extreme heat and stress ensures reliable and efficient operation in power plants.
Marine Industry
Nickel-chromium alloys are used extensively in the maritime industry, particularly for components exposed to seawater and harsh marine environments. Applications include propulsion systems, exhaust systems, and parts for offshore drilling rigs. Inconel's outstanding resistance to saltwater corrosion ensures that these components maintain their strength and functionality, even in the most corrosive marine conditions.


Nuclear Industry
The nuclear industry relies on nickel-chromium alloys for their resistance to radiation damage, high temperatures, and corrosion. Inconel 625, for example, is widely used in nuclear reactors for components like reactor cladding, heat exchangers, and fuel assemblies. These alloys' resistance to radiation-induced degradation makes them indispensable for ensuring the safety and longevity of nuclear power plants.
Waste Processing and Pollution Control
Nickel-chromium alloys are also used in waste processing and pollution control systems, where they are exposed to highly corrosive and reactive substances. Alloys like Inconel C-276 are ideal for components such as scrubbers, reactors, and pipes, where resistance to both oxidizing and reducing acids is crucial. These alloys ensure the integrity and longevity of equipment used in handling hazardous materials.


Heat Treating Applications
Nickel-chromium alloys are widely used in heat treatment processes, especially for manufacturing components that undergo rapid temperature changes. Inconel's ability to retain oxidation resistance at both high and low temperatures makes it an ideal choice for applications such as heat-treating baskets, which must endure extreme temperature cycles while maintaining structural integrity.

Frequently Asked Questions About Nickel-Chromium Alloy
What is nickel-chromium alloy (Inconel)?


Nickel-chromium alloy, often referred to by the brand name Inconel, is a group of high-performance superalloys primarily composed of nickel and chromium. It is known for its resistance to high temperatures, oxidation, and corrosion, making it suitable for demanding applications across various industries.
What is the difference between Inconel and other nickel alloys?


Inconel is a specific brand of nickel-chromium alloys known for its exceptional performance in extreme heat and corrosive environments. While other nickel alloys offer good corrosion resistance, Inconel alloys excel in high-temperature environments and offer better resistance to oxidation, fatigue, and stress.
How do nickel-chromium alloys compare to stainless steel?


Nickel-chromium alloys offer superior resistance to extreme temperatures, oxidation, and corrosion compared to stainless steel. While stainless steel can handle many environments, Inconel alloys are specifically engineered to perform well in high-temperature and highly corrosive conditions, such as those found in aerospace or chemical processing industries.
Can nickel-chromium alloys be welded?


Yes, nickel-chromium alloys are known for their excellent weldability. Special welding techniques may be required, but with proper care, these alloys can be welded using common methods such as TIG (Tungsten Inert Gas) welding, MIG (Metal Inert Gas) welding, and electron beam welding, among others.
How is nickel-chromium alloy recycled?


Nickel-chromium alloys are highly recyclable, making them an eco-friendly material choice. Used components made from Inconel can be collected, melted down, and reused to produce new parts. This helps reduce material waste and the environmental impact associated with mining and processing raw nickel and chromium.
Do nickel-chromium alloys exhibit any magnetic properties?


Nickel-chromium alloys typically exhibit weak magnetic properties, as they are generally non-magnetic. However, the magnetic behavior can vary depending on the alloy composition. Some grades, such as those with higher iron content, may show slight magnetic characteristics, but they are still considered to be low in magnetism compared to other metals.
What maintenance is required for components made from nickel-chromium alloys?


Nickel-chromium alloys require minimal maintenance due to their exceptional resistance to corrosion and oxidation. However, periodic inspections may be necessary to ensure that components are not subject to wear or cracking, especially in high-temperature or highly stressed environments. Preventive maintenance can help prolong the life of these materials.
Can nickel-chromium alloys be heat-treated?


Yes, many grades of Inconel can be heat-treated to enhance their properties, such as increasing strength or improving resistance to stress corrosion cracking. Heat treatment processes such as solution annealing or aging can adjust the microstructure of the alloy for optimal performance in specific applications.
Are nickel-chromium alloys prone to embrittlement?


While nickel-chromium alloys are generally resistant to embrittlement, they can be susceptible under certain conditions, particularly at very high temperatures or when exposed to specific environmental factors such as hydrogen or carbon monoxide. Proper alloy selection and heat treatment can help mitigate this risk.
What are the common grades of Inconel alloys, and how do they differ?


Common grades of Inconel alloys include Inconel 600, 625, 718, and 800. These differ mainly in terms of alloying elements like molybdenum, aluminum, and titanium. Inconel 625 offers exceptional corrosion resistance, Inconel 718 is known for its high strength at elevated temperatures, and Inconel 600 is ideal for oxidation resistance.
Contact Us
Looking to purchase premium nickel-chromium alloy or have any questions?