Welcome to Changzhou DLX Alloy Co., Ltd.
Email:sales8@dlx-alloy.com Mobile/Whatsapp:+86 199 0611 9641
Specialized manufacturer of heaters, thermocouples and titanium,over 20 years.
Whatsapp:+86 199 0611 9641
Email:sales8@dlx-alloy.com
Add:NO.32 West Taihu Road, Xinbei District, Changzhou, Jiangsu,China
Nitinol Wires
Product Details

Nickel Titanium, also known as Nitinol (NiTi), is a high-performance shape memory alloy (SMA) renowned for its exceptional mechanical properties and unique phase transformation characteristics. This alloy offers both superelasticity and the shape memory effect, making it an ideal material for advanced applications in various industries, particularly in aerospace. This article delves into the features, applications, and advantages of high-strength Ni-Ti Nickel Titanium wire, especially in aerospace components, and explores its key role in enhancing system performance.
Superelasticity
One of the key properties of Nitinol is its superelasticity, which allows the material to undergo significant deformation under stress and return to its original shape once the stress is removed. This property makes it ideal for use in components subjected to mechanical stress, such as aerospace actuators and robotics.
Shape Memory Effect
The shape memory effect enables Nitinol to "remember" its pre-defined shape and return to it when heated above its transformation temperature. This behavior is crucial for applications like actuators in aerospace systems where precise motion control is essential.
High Strength and Durability
Ni-Ti alloys exhibit exceptional mechanical strength, allowing them to withstand high levels of strain and maintain their structural integrity in demanding environments. This strength, combined with superelasticity and shape memory properties, makes Ni-Ti wire ideal for aerospace components that require high performance under extreme conditions.
Corrosion Resistance and Biocompatibility
Nitinol is naturally resistant to corrosion and exhibits excellent biocompatibility, making it a preferred material for use in medical devices, in addition to aerospace components. The alloy’s resistance to degradation in harsh environments further enhances its reliability and lifespan.
Versatility
Nitinol wire is available in various forms, including wires, rods, and shapes, offering versatility in design and fabrication. This flexibility allows it to be used in a broad range of applications, from aerospace to consumer electronics.


The unique properties of Ni-Ti make it highly versatile, with significant applications across several industries, particularly aerospace, medical, and consumer goods.
Aerospace Components
Nitinol wire is used in actuators, adaptive structures, and smart materials in aerospace. Its ability to change shape when exposed to heat makes it ideal for use in systems requiring precise motion control and adaptability, such as wing flaps, air brakes, and spacecraft components.
Medical Devices
In the medical field, Nitinol is commonly used in orthodontic wires, guidewires, stents, and minimally invasive surgical instruments. Its flexibility, biocompatibility, and ability to recover its shape at body temperature make it invaluable in enhancing patient comfort and improving procedural efficiency.
Robotics and Actuators
Ni-Ti alloys are utilized in robotic systems for their ability to adapt to varying conditions. The superelasticity and shape memory effect enable precise actuation, allowing robots to perform complex tasks with high precision in challenging environments.
Automotive Industry
Nitinol is employed in temperature-responsive valves, sensors, and adaptive components in automotive systems, improving energy efficiency and system performance. Its ability to respond to temperature changes makes it ideal for use in smart materials that adjust their properties based on environmental conditions.
Consumer Products
Nitinol is used in everyday products like eyeglass frames, wearable technology, and self-repairing materials. The alloy’s ability to retain its shape after deformation is particularly useful in applications requiring durability and adaptability, such as eyewear that can flex to fit the user’s face.


Enhanced Performance in Extreme Conditions
Nitinol’s high strength and superelasticity make it suitable for components exposed to extreme temperatures, pressure, and stress, particularly in aerospace applications where reliability is critical.
Lightweight and Compact
Despite its strength, Nitinol is a lightweight material, which is an important factor in aerospace applications, where reducing weight can significantly improve fuel efficiency and system performance.
Corrosion Resistance and Longevity
The corrosion resistance of Ni-Ti alloys ensures long-lasting performance in harsh environments. This property makes it highly desirable for use in aerospace components that are exposed to the elements or extreme conditions.
Versatility in Design and Fabrication
Nitinol’s ability to be formed into various shapes and sizes allows for flexibility in designing components that meet specific application requirements. Whether for precision actuators or adaptive structures, the alloy can be tailored to the exact needs of the system.
Composition: 55%-56% Nickel, 44%-45% Titanium
Forms Available: Wire, Rods, Strips, Custom Shapes
Superelastic and Shape Memory Properties
Applications: Aerospace, Medical Devices, Robotics, Automotive, Consumer Products
Corrosion Resistance: Exceptional resistance to corrosion in harsh environments
Strength: High mechanical strength and recoverable strain
Fabrication: Easy to form into various shapes for diverse applications



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.


Q: What is Nitinol?
A: Nitinol (NiTi) is a nickel-titanium alloy known for its unique shape memory and superelastic properties. It is primarily composed of 55%-56% Nickel and 44%-45% Titanium and is used in applications where high performance and adaptability are required.
Q: What are the main uses of Nitinol wire?
A: Nitinol wire is widely used in aerospace (for turbine blades and heat shields), medical devices (e.g., guidewires, stents), robotics, and consumer products (e.g., eyeglass frames, wearable tech) due to its superelasticity and shape memory effects.
Q: How does Nitinol perform in extreme conditions?
A: Nitinol performs exceptionally well in extreme conditions, maintaining its shape memory and superelasticity even under high stress, high temperature, and pressure, making it ideal for use in aerospace and robotic applications.
Q: Is Nitinol easy to fabricate?
A: Yes, Nitinol is highly versatile and can be easily fabricated into a variety of forms, including wires, rods, and custom shapes, allowing for flexibility in manufacturing components for different industries.
Q: Does Nitinol offer corrosion resistance?
A: Yes, Nitinol exhibits excellent corrosion resistance, making it highly durable and long-lasting, even in harsh environments such as those found in aerospace and medical applications.