Description
What Is a Memory Alloy? Discover the Power of Ultra-Fine 0.04mm Black Nitinol Wire
What is a memory alloy? It’s a smart metal that “remembers” its shape—and our 0.04mm Black Oxidized Nickel Titanium Nitinol Wire is a leading example. Designed for high-performance micro-applications, this ultra-fine wire delivers precision shape memory and super elasticity in an incredibly compact form. Its black oxide coating enhances durability and reduces friction, making it ideal for critical applications in medicine, robotics, electronics, and more.
What Is a Memory Alloy?
A memory alloy, such as Nitinol (Nickel Titanium), is a unique smart metal that “remembers” its original shape. You can bend or twist it, and with a bit of heat, it instantly returns to its pre-set form. This shape memory behavior results from internal phase transformations triggered by temperature changes—making it ideal for repeatable, controlled motion at micro scales.
Key Features & Benefits
Material:
Crafted from premium-grade Nickel Titanium alloy (Nitinol), renowned for its excellent fatigue resistance, shape memory, and super elasticity. It bends significantly without permanent deformation—returning to its programmed shape under thermal activation.
Surface Finish:
Engineered with a black oxide layer, this surface treatment enhances corrosion and wear resistance while providing a stable, low-friction interface. The matte-black finish supports performance in high-stress or chemically sensitive environments.
Ultra-Fine Diameter (0.04mm):
Our precision-engineered 0.04mm wire is ideal for micro applications requiring minimal space. With rigorous diameter control, each batch offers consistency and high-performance reliability.
Applications of 0.04mm Black Nitinol Wire
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Medical Devices: Especially valuable in minimally invasive tools—such as micro-guidewires, catheter tips, neurovascular instruments, and micro-stents.
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Micro-Robotics & Actuators: Delivers controlled movement for micro-grippers, robotic joints, and soft robotics components.
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MEMS (Micro-Electro-Mechanical Systems): Powers micro-switches, valves, and precision sensors where space and movement control are key.
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Orthodontics: Used in ultra-light archwires and micro-springs in specialized dental treatments.
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Electronics:Used in miniature relays, high-precision connectors, and dynamic contact systems requiring reliable responsiveness.
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Micro-Filtration: Forms high-precision filters and meshes for scientific and industrial purposes.
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R&D & Prototyping: Supports innovation in aerospace, biomedical, and next-generation wearable tech.
Why Choose Our Black Oxidized Shape Memory Wire?
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Ultra-Precise: Consistent 0.04mm diameter ensures flawless miniaturization.
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Smart Alloy Performance: Reliable, predictable shape recovery and elasticity.
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Corrosion-Resistant: Black oxide finish extends service life and boosts performance.
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Low Friction Surface: Ideal for dynamic environments like catheter systems.
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Biocompatible Grades Available: Suitable for medical or body-contact uses (verify grade selection).
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Engineered to Last: Manufactured under strict quality standards for durability, consistency, and safety.
In Summary
The 0.04mm Black Oxidized Nickel Titanium Nitinol Wire offers cutting-edge smart material performance in a microscopic form. With built-in shape memory, super elasticity, and a protective black oxide coating, this ultra-fine wire is the go-to solution for advanced micro-engineering. From medical innovation to aerospace prototyping, it empowers creators to push the boundaries of what small-scale technology can achieve.
•Diameter & Tolerance
Diameter(mm) |
Tolerance(mm) |
Diameter(mm) |
Tolerance(mm) |
Diameter(mm) |
Tolerance(mm) |
4.000-2.000 |
±0.025 |
0.350-0.260 |
±0.010 |
0.08-0.050 |
±0.005 |
2.000-1.000 |
±0.020 |
0.260-0.150 |
±0.007 |
0.050-0.025 |
±0.005 |
1.000-0.350 |
±0.010 |
0.150-0.080 |
±0.005 |
0.025-0.018 |
±0.003 |
•Mechanical properties
Max force(N) |
Tensile(MPa) |
Elongation % |
Upper stress(MPa) |
Residual strain(WT%) |
At temp |
Base on diam |
≥1000 (1350) |
≥10 (15) |
≥400 (460) |
<0.5 55.96 |
(10±10) |
Base on diam |
≥1000 (1350) |
≥10 (15) |
≥400 (460) |
<0.5 56.1 |
(-30±10) |
Base on diam |
≥1000 (1350) |
≥10 (15) |
≥400 (460) |
<0.5 50.0 |
(60±10) |
▸ Expert Guidance: 24/7 support via nitinolwire.com
▸ Linkedin account:Ben Xiang | LinkedIn
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