At SIZEN, we provide high-quality Nitinol foils and strips, designed for industries that need precise, flexible, and reliable materials. Our Nitinol foils are thin and flexible, making them ideal for applications like medical devices, actuators, and sensors.
Whether you're looking for ultra-thin foils for medical implants or stronger strips for engineering projects, our products are fully customizable. You can choose the size, thickness, surface finish, and shape that best suits your needs.
With advanced manufacturing and expert knowledge, SIZEN ensures that every Nitinol foil and strip is made to perform reliably, even in tough conditions. Ready to start your next project with top-quality Nitinol foils or strips? Contact us today to learn more.
Our Nitinol Foil & Strip Specifications
Nitinol Foil & Strip Information
- Material: Titanium Nickel Alloy
- Standards: ASTM F2063
- Thickness:: 0.05 mm - 4.75 mm
- Surface:: Cold rolling surface, Pickled
- Density: 4.51 g/cm³
- Melting Point: 1668 °C
- Boiling point: 3287 °C
Nitinol Foil & Strip Thickness Range
| Nitinol Foil | Nitinol Strip | |
|---|---|---|
| Size | Minimum thickness: 0.05 mm Minimum width: 100 mm Maximum width: 300 mm |
Minimum thickness: 0.1 mm Minimum width: 100 mm Maximum width: 500 mm |
| Surface | Cold rolling surface | Cold rolling surface, Pickled |
| Available Shape | Coils, sheet shape | Straight, Coils |
Note: More forms, sizes, and specifications are available for custom order.
Nitinol Material Chemical Composition
| Element | Chemical Composition (wt%) |
|---|---|
| Nickel | 54.5-57% |
| Carbon | ≤0.05% |
| Cobalt | ≤0.05% |
| Copper | ≤0.01% |
| Chromium | ≤0.01% |
| Hydrogen | ≤0.005% |
| Iron | ≤0.05% |
| Niobium | ≤0.025% |
| Nitrogen | ≤0.005% |
| Oxygen | ≤0.04% |
| Titanium | Balance |
Why Choose Our Nitinol Foil
High-Quality Materials
High purity nickel and titanium
Customized Solutions
Tailored for specific project needs.
Precision Manufacturing
Uniform thickness, reliable use.
Exceptional Flexibility
Up to 8% Strain Without Bending
Expert Support
Professional guidance readily available.
5 MAIN REASONS TO CHOOSE US
1
High-Quality Materials
We use top-quality materials that undergo strict third-party testing. This ensures the correct chemical composition, consistent transformation temperature, and reliable performance.
2
Versatile Weaving Configurations
Our titanium mesh offers exceptional flexibility through advanced weaving techniques. From smooth plain weaves ideal for filtration to flexible twill patterns and dense configurations for specialized applications
3
Customized Solutions
At SIZEN, we offer fully customized nitinol foil solutions, tailoring size, thickness, and surface finish to meet your specific requirements and ensure optimal performance for your application.
4
Exceptional Flexibility
After precise heat treatment, our Nitinol foil can stretch up to 8% at body temperature without bending. This makes it highly flexible and durable, perfect for use in medical devices and other critical applications.
5
Expert Support
Our team of experts is here to provide personalized guidance and solutions, helping you select the ideal nitinol foil for your exact requirements.
Unique Properties of Nitinol Foil
Shape Memory & Superelasticity
Nitinol foils have an incredible ability to "remember" their shape. When heated or stressed, they return to a pre-set form, making them perfect for applications where precise movement and flexibility are key, like in medical devices or actuators.
Thin and Flexible
Nitinol foil is incredibly thin, with thicknesses starting at just 0.05 mm, offering excellent flexibility while maintaining strength. This makes it ideal for precise, delicate applications like stents, guidewires, and sensors.
Corrosion Resistance
Nitinol foil is highly resistant to corrosion, even in harsh environments like the human body or extreme industrial conditions. This durability ensures longer-lasting performance in devices and components made from Nitinol foil.
Biocompatibility
Nitinol is naturally biocompatible, which means it's safe for use in the body. It doesn't cause reactions when implanted, making it a top choice for medical devices like stents and guidewires.
Thermal Conductivity
Nitinol foils are great at transferring heat, thanks to their excellent thermal conductivity. This makes them ideal for applications that need efficient heat management, such as in cooling systems, temperature-sensitive components in electronics and aerospace.
Fatigue Resistance
Nitinol foils are highly resistant to wear and tear, able to withstand repeated stress without losing their shape. This makes them ideal for long-lasting applications where durability is a must, like in implants or mechanical actuators.
Nitinol Foil & Strip Applications
Aerospace and Defense
In the aerospace Nitinol foils and strips are used for their lightweight and high strength-to-weight ratio. These materials are ideal for applications that require both strength and flexibility, such as:
- maintaining strength.
- Structural Components: Nitinol's superelasticity and corrosion resistance make it perfect for certain aerospace components that must perform reliably under extreme conditions.
Automotive
In automotive engineering, Nitinol foils and strips are used for shape-memory actuators that can adjust mechanisms based on temperature changes, providing:
- Self-adjusting valves: Nitinol’s shape memory effect is used in automotive systems to create self-adjusting valves for engine performance optimization.
- Seatbelts and Safety Mechanisms: In advanced safety systems, Nitinol strips are used to activate safety features like seatbelt tensioners or airbags.
Consumer Electronics
Nitinol foils and strips also have significant applications in the consumer electronics sector:
- Sensors: Nitinol's ability to change shape with temperature or force makes it ideal for use in sensors that detect movement or pressure changes.
- Microelectromechanical Systems (MEMS): Nitinol is used in MEMS devices that require a combination of thinness and flexibility, such as in micro-actuators and switches.
- Flexible Displays: Nitinol's flexibility is used in the development of flexible electronics and displays, where materials need to bend without losing performance.
Medical Technology
Nitinol foils and strips are particularly valued in the medical field for their shape memory and biocompatibility. These properties make them ideal for a variety of critical applications, including:
- Stents: Nitinol's ability to expand and return to its original shape makes it perfect for vascular stents that need to expand inside the body.
- Guidewires: Thin and flexible, Nitinol foils are used in medical guidewires to navigate through the human body with precision and reliability.
- Orthopedic Implants: Nitinol strips are used in bone fixation devices, where flexibility and strength are required to aid healing.
- Surgical Tools: Nitinol's superelasticity ensures that surgical tools maintain their shape while providing precise control during operations.
Energy Systems
In energy systems, Nitinol foils and strips can be found in applications where temperature-driven movement is required:
- Solar Panels: Nitinol's shape memory effect can be used in mechanisms that track the movement of solar panels to maintain optimal angles.
- Heat Engines: Nitinol strips are used in thermoelectric generators where temperature differences create mechanical movement that can be converted into electrical power.
FAQs About Nitinol Foils
What makes Nitinol different from other alloys?
Nitinol is a nickel-titanium alloy known for its shape memory and superelasticity—two key properties that set it apart from other metals. While most alloys maintain a fixed shape, Nitinol can "remember" its original form and return to it when heated, or it can stretch without permanent deformation.
How are Nitinol foils and strips fabricated?
Nitinol foils and strips are produced using advanced processing techniques that include cold rolling, hot isostatic pressing (HIP), and laser cutting. These methods ensure high precision and uniformity in thickness, width, and shape. Specialized heat treatments are then applied to set the desired transformation temperature and shape memory properties.
Can Nitinol foils and strips be customized?
Yes, Nitinol foils and strips can be customized in terms of size, thickness, and finish to meet specific application needs. They can also be processed to achieve the desired transition temperature or mechanical properties, making them highly versatile for various industries.
How long do Nitinol foils and strips last in applications like medical devices?
Nitinol's long lifespan is one of its key advantages. Because of its corrosion resistance and biocompatibility, Nitinol can last for many years in medical implants and devices without degrading. For example, Nitinol stents can function effectively for over 10-15 years in the body.
What is the maximum strain Nitinol foils and strips can handle?
Nitinol can undergo up to 8-10% strain without permanently deforming. This is due to its superelasticity, a property that allows Nitinol to recover its original shape after being stretched or bent.
What surface finishes are available for Nitinol foils and strips?
Nitinol foils and strips are available in a variety of surface finishes to suit different applications. These finishes include:
- Cold Rolling Surface: A textured surface produced by cold rolling, offering improved surface integrity and enhanced mechanical properties for specific applications.
- Pickled: A chemically treated surface that removes oxides and impurities, providing a clean finish ideal for medical or high-precision applications.
- Polished: A highly smooth, reflective surface commonly used in medical devices or applications where minimal friction and enhanced biocompatibility are essential..
What information is needed to place an order for Nitinol foil or strip?
To place an order for Nitinol foil or strip, please provide the following details:
- Chemical Composition or Alloy Code: Specify the alloy or chemical composition.
- Transformation Temperature (Af): Indicate the Af (austenite finish) temperature, which determines the material's phase change temperature.
- Shape: Describe the material shape (e.g., straight, coils or sheet.).
- Dimensions and Tolerances: Provide dimensions (e.g., thickness for foil/strip) and tolerances.
- Heat Treatment: Specify the required heat treatment state (e.g., annealed, cold-worked).
- Surface Finish: Choose the surface finish (e.g., polished, bright, or pickled).
- Mechanical Properties: For superelastic materials, mention platform stress, tensile strength, and elongation. For cold-worked materials, provide tensile strength and elongation requirements.
- Order Quantity: Specify the quantity (weight, length, or number of pieces).
By providing these details, you ensure that the Nitinol material meets your specific needs for both performance and functionality.
What is the lead time for ordering custom Nitinol foils or strips?
The lead time for custom orders of Nitinol foils and strips typically ranges from 2 to 5 weeks, depending on the complexity of the customization, the size of the order, and the manufacturing process.
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