At SIZEN, we provide high-quality nitinol tubes known for their unique properties of superelasticity and shape memory. These features allow the tubes to return to their original shape after deformation, making them ideal for applications in medical devices, robotics, aerospace, and more.
Our tubes are built to handle large movements and complex shapes, making them perfect for applications that require flexibility and precision, like medical devices that need to move or adapt safely inside the body. They are also resistant to corrosion and safe for use in sensitive applications.
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 Tube Specifications
Nitinol Tube Information
- Material Titanium Nickel Alloy
- Standards ASTM F2063
- Outside Diameter 0.25-8 mm
- Surface: Bright Finish, Black Finish
- Density 4.51 g/cm³
- Melting Point 1668 °C
- Boiling point 3287 °C
Nitinol Tube Dimensions Range
| Outside Diameter (OD) | OD Tolerance | Wall Thickness Range | Length Range | Surface Finish |
|---|---|---|---|---|
| 0.25＜OD≤0.5 mm | ±0.01 | 0.025-3.0 mm ±0.02 mm | ≤2000 mm ±3mm | Bright Finish, Black Finish |
| 0.5＜OD≤1.5 | ±0.01 | |||
| 1.5＜OD≤2.5 | ±0.02 | |||
| 2.5＜OD≤8.0 | ±0.02 |
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 Tube
High-Quality Materials
High purity nickel and titanium
Customized Solutions
Tailored for specific project needs.
Precision Manufacturing
Accuracy dimensions, reliable use.
Superior Surface Quality
Smooth surfaces with Ra ≤ 0.1 μm
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
Customized Solutions
We specialize in tailoring Nitinol tubes to meet your unique needs, especially for medical devices. Whether it's adjusting flexibility, shape memory, or corrosion resistance, we can customize the tube's performance to fit your project.
3
Precision Manufacturing
Crafted to meet the strictest tolerances, our nitinol tubes guarantee precise performance, ideal for industries requiring exact specifications.
4
Superior Surface Quality
We provide smooth surfaces with Ra ≤ 0.1 μm, and offer various treatments such as polishing, pickling, and oxidation to meet specific requirements for different applications.
5
Expert Support
Our team of experts is here to provide personalized guidance and solutions, helping you select the ideal nitinol tube for your exact requirements.
Unique Properties of Nitinol Tube
Shape Memory Effect
Nitinol tubes possess a shape memory effect, allowing them to return to their original shape when heated. This makes them essential for medical devices such as self-expanding stents and guide tubes, which must expand or contract in response to body temperature for easy insertion and operation.
Superelasticity
The superelastic nature of Nitinol tubes means they can bend or stretch significantly without permanent deformation. This is particularly useful in catheters and biopsy needles, where the tube needs to navigate through tight or irregular spaces inside the body while maintaining strength and flexibility.
Corrosion Resistance
Nitinol tubes are highly resistant to corrosion, making them ideal for long-term implants like stents and surgical devices that will be exposed to bodily fluids. Their corrosion resistance ensures durability and reduces the risk of degradation over time.
Biocompatibility
Nitinol is biocompatible, which means it is safe for use within the human body. This property makes it a top choice for devices such as stents, catheters, and biopsy needles, where safety, non-reactivity, and long-term performance are critical.
Thermal Conductivity
Nitinol tubes react to changes in temperature, which allows them to be used in applications that need the material to expand or change shape with heat. This is ideal for devices like self-deploying stents or guide tubes, where the tube needs to expand once inside the body or another precise environment.
Wide Temperature Range
Nitinol tubes offer reliable performance across a wide temperature spectrum, enabling their use in demanding applications ranging from cryogenics to high-temperature settings. This versatility makes them ideal for industries requiring materials that can withstand extreme temperature variations.
Fatigue Resistance
Nitinol tubes 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 Tube Applications
Medical Devices
Nitinol tubes are widely used in medical devices due to their exceptional performance in critical applications:
- Catheters: Nitinol tubes are used in catheters for their flexibility and shape memory, allowing them to navigate complex pathways in the body with ease. Their superelasticity helps maintain strength and flexibility during insertion.
- Stents: Nitinol tubes are commonly used in self-expanding stents, which automatically expand at body temperature, ensuring secure placement and optimal blood flow, especially in vascular procedures.
- Biopsy Needles: The flexibility and strength of Nitinol make it ideal for biopsy needles, enabling precise sampling from hard-to-reach areas while minimizing tissue damage.
Automotive Industry
Nitinol tubes are increasingly used in the automotive industry for components that require high durability and responsiveness, such as active safety features, temperature-sensitive actuators, and self-healing materials. Nitinol's thermal responsiveness makes it ideal for systems that need to react to heat changes, such as in exhaust or cooling systems.
Aerospace
Nitinol tubes are used in aerospace applications due to their lightweight, flexibility, and ability to withstand extreme temperatures. They can be used in actuators, sensors, and adaptive structures that require high precision and performance under varying environmental conditions.
Consumer Electronics
In consumer electronics, Nitinol tubes are used in precision actuators and mechanisms for devices like wearables, where flexibility and adaptability to changing conditions are key. Nitinol tubes allow these devices to be both functional and compact, improving performance in small spaces.
Robotics
Nitinol tubes are a key material in robotics, particularly for creating actuators that respond to temperature changes. Their superelasticity and flexibility allow for the development of soft robots and mechanisms that can bend and move in ways traditional materials cannot, opening up new possibilities in robot design and function.
FAQs About Nitinol Tube
What are the key properties of nitinol tubes?
Nitinol tubes are known for their shape memory and superelasticity, meaning they can return to their original shape after being bent or deformed. They are also biocompatible, corrosion-resistant, and fatigue-resistant, making them ideal for medical devices, robotics, and aerospace.
What dimensions are available for nitinol tubes?
We offer Nitinol tubes with outer diameters from 0.25mm to 8mm, wall thicknesses from 0.025mm to 3mm, and lengths up to 2000mm. Custom dimenisons are available upon request.
Does SIZEN offer custom Nitinol tube fabrication?
Yes, we offer a range of customization options for Nitinol tubes. This includes variations in dimensions (outer diameter, wall thickness, length), material properties (transformation temperatures, etc.), and surface finishes to suit diverse applications.
Can you provide custom transformation temperatures?
Yes, we can customize the transformation temperatures (Af) from -20°C to +100°C based on your specific requirements. Please provide your desired transformation temperature range during ordering.
How are Nitinol tubes processed and manufactured?
Nitinol tube manufacturing typically starts with melting and combining nickel and titanium. The resulting alloy is then processed using techniques like drawing, extrusion, and gun drilling to create the tubular form. Precise heat treatments are crucial to set the material's shape memory and superelastic characteristics.
What are the surface finish options for Nitinol tubes?
Nitinol tubes can be supplied with different surface finishes, most commonly a bright finish or a black finish. The choice of finish can affect properties like corrosion resistance and appearance.
What information do I need to provide for a custom Nitinol tube quote?
To provide an accurate quote, we typically need information such as the outer diameter, wall thickness, length, material properties (transformation temperatures, etc.), quantity, and any specific surface finish or processing requirements.
What are the typical tolerances for SIZEN's Nitinol tubes?
SIZEN maintains tight tolerances on our Nitinol tubes, typically within ±0.01mm for outer diameter and ±0.02mm for wall thickness. However, tolerances can vary depending on the specific dimensions and manufacturing process. Please contact us with your specific requirements for detailed tolerance information.
What are your minimum order quantities (MOQs) for Nitinol tubes?
MOQs may vary depending on the specific product. Please contact us to discuss your needs and determine the applicable MOQ.
Do you offer samples before placing a regular order?
Yes, we understand the value of testing before you buy. If you're interested in evaluating our Nitinol tubes, we encourage you to request a sample. Please contact us with details about your intended use, the required dimensions, and any specific requirements. We'll then assess your request and provide information on sample availability and any applicable charges.
How do you ship and package Nitinol tubes?
We use robust packaging methods to protect Nitinol tubes during shipping. Typically, we use wooden boxes for outer packaging and foam wrapping for internal protection. We can also accommodate specific packaging requests.
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