0.025mm Pure Nickel Wire For Precision Electronics Medical Devices
0.025mm Pure Nickel Wire For Precision Electronics Medical Devices
Product Description
Pure nickel wire 0.025mm (0.001") is a high-purity, ultra-fine conductive material engineered for applications demanding exceptional electrical conductivity, thermal stability, and corrosion resistance. With a nickel content exceeding 99.9%, this wire delivers minimal resistivity (6.84 µΩ·cm) and consistent performance across temperatures ranging from -200°C to 300°C (-328°F to 572°F). Its micron-scale diameter ensures flexibility for intricate coil winding in microelectronics, while retaining tensile strengths up to 550 MPa for reliability in aerospace sensors and implantable medical devices.
Cold-drawn to tolerances of ±0.001mm, the wire undergoes hydrogen annealing to eliminate internal stresses, achieving a surface roughness (Ra) <0.1 µm for high-frequency applications. Compliant with ASTM F2063, IEC 60115, and GB/T 5235 standards, it resists oxidation in humid environments (e.g., tropical climates) and halogen-rich atmospheres, making it ideal for Southeast Asian PCB manufacturing and Middle Eastern oilfield instrumentation.
Available in spool lengths of 1,000–5,000 meters, the wire is compatible with automated winding machines and vacuum deposition systems. Custom options include gold-plated or PTFE-coated variants for enhanced solderability and insulation in high-voltage circuits.
Technical Specifications
Chemical Composition (%)
| Element | Ni | C | Fe | Cu | S | O₂ |
|---|---|---|---|---|---|---|
| Content | ≥99.9 | ≤0.02 | ≤0.05 | ≤0.02 | ≤0.005 | ≤0.01 |
Mechanical Properties
| Tensile Strength (MPa) | Elongation (%) | Diameter Tolerance (mm) | Surface Roughness (Ra) |
|---|---|---|---|
| 450–550 | 2–8 | ±0.001 | ≤0.1 µm |
Physical Properties
| Resistivity (µΩ·cm) | Melting Point (°C) | Density (g/cm³) | Thermal Conductivity (W/m·K) |
|---|---|---|---|
| 6.84 | 1,455 | 8.90 | 90.7 |
Compliance Standards
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ASTM: F2063, B160
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IEC: 60115
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GB/T: 5235
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Applications
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Electronics: Micro-coils for hearing aids, MEMS sensors, RFID tags.
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Medical: Pacemaker leads, neurostimulation electrodes, surgical robotics.
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Aerospace: Cryogenic temperature sensors, satellite wiring harnesses.
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Energy: Thin-film solar cells, fuel cell interconnects.
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FAQ Section
Q: Can this wire withstand autoclave sterilization for medical devices?
A: Yes, its high purity ensures no ion leaching during repeated 135°C sterilization cycles.
Q: What spool packaging is used for humidity-sensitive regions like Southeast Asia?
A: Vacuum-sealed antistatic spools with desiccant to prevent oxidation during maritime shipping.
Q: Is laser welding recommended for aerospace-grade assemblies?
A: Yes, pulsed laser welding minimizes heat-affected zones (HAZ) for critical cryogenic systems.
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