Superelastic Nitinol Wire for Biomedical Stents and Guidewires
| Attribute | Value |
|---|---|
| Thermal Expansion | 13-17 µm/mK |
| Wall Tolerance | ±3-5% |
| Alloy Composition | Nickel-Titanium Alloy |
| Standard Size | 1220mm*2440mm*3mm/4mm/5mm/6mm |
| Available Sizes | 5 to 250 mm |
| Elongation | 30-60% |
| Thermal Conductivity | 9.8 W/m·K |
| Ultimate Strength | 620-790 MPa |
| High Temperature Performance | Maintains strength and oxidation resistance at high temperatures |
| Nickel Content | 72% (Min) |
| Surface Treatment | Anodized, Brushed, Mill Finished, Polished |
| Tensile Strength Rm | 965 N/mm² |
| Hs Code | 7507120000 |
| Key Advantage | Fast Delivery Time |
| Tensile Strength | 760-1030 MPa |
Superelastic Nitinol wire represents a significant advancement in nickel-titanium alloy technology, combining exceptional flexibility with remarkable durability. This specialized wire features unique shape memory properties that allow it to stretch and return to its original form without permanent deformation, making it particularly valuable for biomedical applications such as stents and guidewires.
With a balanced composition of approximately 50% nickel and 50% titanium, our Nitinol wire offers superior corrosion resistance and biocompatibility, meeting the stringent requirements of medical device applications. Our production process ensures strict adherence to ASTM F2063 standards, guaranteeing reliable performance in critical medical and industrial environments.
Our superelastic Nitinol wire is manufactured with precision-controlled materials:
- Nickel content: 54.5-57.0%
- Titanium: Balance
- Trace elements (carbon <0.05%, oxygen) carefully controlled for optimal biocompatibility
- Advanced melting, drawing, and heat treatment processes to achieve consistent superelastic properties
- Transition temperature range: -20°C to 40°C for biomedical applications
| Grade | Chemical Composition | Transformation Temperature (Af) Range | Tensile Strength (MPa) | Elongation (%) | Main Applications |
|---|---|---|---|---|---|
| NiTi-01M (Superelastic) | Ni: 54.5-57.0%, Ti: Balance | -25~35°C | 800-1100 | 10-20 | Medical orthodontic wires, root canal files, vascular stents |
| NiTi-02 | Ni: 55.0-56.5%, Ti: Balance | 0~80°C | 700-1000 | 8-15 | Shape memory alloys, temperature control devices |
| CuNiTi (Ternary Alloy) | Ni: 54.0-56.0%, Cu: 0.5-2.0%, Ti: Balance | -25~35°C | 850-1200 | 12-25 | Medical guidewires, sutures, staplers |
| NiTiFe | Ni: 54.5-57.0%, Fe: 0.1-2.0%, Ti: Balance | -50~20°C | 900-1300 | 10-18 | Low-temperature applications, aerospace components |
| NiTiCr | Ni: 54.5-57.0%, Cr: 0.1-0.5%, Ti: Balance | -20~40°C | 1000-1400 | 8-15 | High-strength medical devices, bone fixation devices |
- Exceptional superelasticity with up to 8% strain recovery
- Tensile strength range: 800-1500 MPa for demanding applications
- Available in custom diameters from 0.05mm to 3mm
- Superior corrosion resistance due to titanium-rich oxide layer
- Excellent biocompatibility for medical implants
- Maintains performance in saline and acidic environments
- Long-term durability reduces replacement costs
Superelastic Nitinol wire serves critical functions across multiple industries:
- Biomedical: Vascular stents, surgical guidewires, orthodontic wires, catheter components, endoscopic devices
- Robotics: Flexible actuators, precision movement components
- Aerospace: Vibration dampers, lightweight structural elements
- Automotive: Safety mechanisms, temperature-responsive components
- Industrial: High-performance springs, sensors, and actuators
- Global market value projected to grow from $1.3 billion (2025) to $2.7 billion (2033)
- 8.5% CAGR driven by biomedical and industrial applications
- Increasing demand for minimally invasive surgical devices
- Growing adoption in electric vehicle battery thermal management
- Focus on sustainable, recycled nickel and titanium materials
- Regulatory emphasis on high-purity, biocompatible alloys
Our 12,000㎡ ISO 9001-certified facility features complete capabilities for research, production, testing, and packaging, with an annual output of 1,200 tons. All products undergo rigorous simulated environment testing including high temperature, high pressure, and corrosion tests before dispatch.
We provide comprehensive multilingual after-sales support and technical consulting to ensure optimal product performance and application success.
A nickel-titanium alloy wire with exceptional flexibility and shape recovery, ideal for biomedical applications like stents and guidewires.
Approximately 50% nickel and 50% titanium, with trace amounts of carbon (<0.05%) and oxygen controlled for biocompatibility and performance.
Superelastic grades are tuned for high elasticity, with variations in transition temperatures (-20°C to 40°C) for specific biomedical or industrial uses.
Used in stents, guidewires, orthodontic wires, catheter components, and surgical tools due to its flexibility and biocompatibility.
Its titanium-rich oxide layer provides excellent resistance to bodily fluids, saline, and chemical environments, ensuring long-term implant safety.
Typically ranges from 800-1500 MPa, offering high strength and elasticity for demanding biomedical applications.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.