What is Nitinol Shape Memory Alloy Wire, Diameter?

Nitinol Shape Memory Alloy Wire is a high-performance nickel-titanium (NiTi) alloy known for its shape memory effect, superelasticity, and biocompatibility. This wire is widely used in medical devices, robotics, aerospace, and actuator applications due to its ability to return to a predefined shape upon heating.

Chemical Properties and CAS Number

• Chemical Formula: NiTi (Nickel-Titanium)
• CAS Number: 106874-40-8
• Appearance: Metallic wire with varying diameters
• Density: ~6.45 g/cm³
• Melting Point: ~1,310°C
• Solubility: Insoluble in water, resistant to corrosion
• Chemical Stability: High fatigue resistance, excellent thermal and mechanical stability

Applications of Nitinol Shape Memory Alloy Wire

1. Medical & Biomedical Applications

Used in stents, guidewires, orthodontic archwires, and surgical instruments due to its biocompatibility and shape memory effect.

2. Actuators & Robotics

Applied in smart actuators, artificial muscles, and robotic systems for responsive motion control.

3. Aerospace & Defense

Utilized in high-performance aircraft components, morphing structures, and adaptive wing designs.

4. Automotive & Industrial Engineering

Employed in self-healing materials, sensors, and high-performance damping systems.

5. Consumer Electronics & Wearables

Integrated into flexible wearable devices, adaptive eyewear frames, and smart textiles for dynamic adjustments.

6. Energy & Power Generation

Used in thermal energy harvesting, smart valves, and advanced heat exchangers for high-efficiency systems.

Pricing of Nitinol Shape Memory Alloy Wire

Prices vary based on diameter, purity, and industry-specific applications:

• Industrial Grade: Typically ranges from $50 – $500 per meter
• High-Purity/Specialized Grade: Prices range from $1,000 – $5,000 per meter, used in medical devices, aerospace, and robotics.

Factors Influencing Nitinol Wire Prices

• Wire diameter and composition ratio
• Purity level and processing method
• Bulk order volume and customization needs
• Market demand for shape memory alloys

Conclusion

Nitinol Shape Memory Alloy Wire is a versatile and intelligent material used in medical, aerospace, robotics, automotive, and energy applications. Its shape memory effect, superelasticity, and corrosion resistance make it essential for high-tech engineering and biomedical solutions. Pricing depends on diameter, composition, and intended use.