
Medical ASTM F2063 Nitinol Memory Alloy Wire
Diameter:2.0mm Surface:polished/black Application:fishing/industry/glass/jewelry
Product Introduction
NiTi (Nickel-Titanium) alloy wire, commonly known as Nitinol, is a high-performance shape memory and superelastic material. It can recover its original shape after deformation and exhibits excellent biocompatibility, corrosion resistance, and fatigue performance, making it ideal for medical implants and precision applications.
Key Features
Shape Memory Effect (returns to original form after deformation)
Superelasticity (large recoverable strain)
Excellent biocompatibility (implant-grade)
High corrosion & wear resistance
Stable performance under extreme temperatures
Standards & Certification
Standard: ASTM F2063
Certifications: ISO 9001:2015, ISO 13485 (medical quality system)
Chemical Composition
Element | Content (%) |
Nickel (Ni) | 54.5 – 57.0 |
Titanium (Ti) | Balance |
Carbon (C) | ≤ 0.040 |
Iron (Fe) | ≤ 0.050 |
Oxygen (O) | ≤ 0.040 |
Hydrogen (H) | ≤ 0.005 |
Cobalt (Co) | ≤ 0.050 |
Others (Cu, Cr, Nb, N) | Trace limits |
Mechanical Properties (Annealed)
Diameter | Tensile Strength | Elongation |
≤ 50 mm | ≥ 551 MPa | ≥ 15% |
> 50 mm | ≥ 551 MPa | ≥ 10% |
Available Sizes
Diameter Range (mm) | Tolerance (mm) |
4.00 – 2.00 | ±0.020 |
2.00 – 1.00 | ±0.013 |
1.00 – 0.35 | ±0.010 |
0.35 – 0.26 | ±0.008 |
0.15 – 0.06 | ±0.005 |
0.05 – 0.03 | ±0.003 |
Transformation Temperature Tolerance (Af)
Temperature Range | Tolerance |
≥ 70°C | ±7°C |
-50°C to 70°C | ±10°C |
≤ -50°C | ±15°C |
Surface Options
Polished
Oxide (Black / Blue)
Colored (Purple / Gold)
Applications
Medical
Surgical implants
Vascular stents
Orthodontic wires
Pacemaker components
Industrial & Advanced Engineering
Aerospace actuators
Automotive components
Robotics & automation systems
Electronic connectors and micro devices
Performance Advantages
Long service life with high fatigue resistance
Precision control through transformation temperature tuning
Excellent flexibility and recovery behavior
Reliable performance in complex environments
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