High-Purity N8 Pure Nickel Wire for Excellent Corrosion Resistance and Good Electrical Conductivity
N8 Pure Nickel Wire is a high-purity nickel alloy known for its exceptional corrosion resistance, excellent formability, and good mechanical properties. It is typically used in applications where corrosion resistance and high-purity characteristics are critical. N8 Pure Nickel Wire is a high-purity, non-magnetic material known for its excellent corrosion resistance, good mechanical properties, and ease of fabrication. Its combination of properties makes it ideal for demanding applications in electronics, marine, chemical processing, and high-temperature environments.
Nominal Chemical Composition (%)
| Alloy | Ni | C | Fe | Si | Mn | S | Cu | Mg |
| N8 | ≥ 99 | ≤ 0.2 | ≤ 0.3 | ≤ 0.15 | ≤ 0.2 | ≤0.015 | ≤0.15 | ≤0.1 |
Size Range
| Type | Dia. (mm) | Width (mm) | Thickness (mm) |
| Wire | 0.04 - 12.0 | - | - |
| Ribbon | - | 2.0 | ≥ 0.08 |
Physical Properties (at room temperature)
| Alloy | Density (g/cm3) | Thermal Conductivity (W/m K) | Thermal Linear Expansion Coeff. (20-95 ℃) (10-6/K) | Electrical Resistivity at 20 ℃ (μΩ-cm) |
| N8 | 8.9 | 90.7 | 13.3 | 9.6 |
Mechanical Properties (for cold drawn annealed wire)
| Alloy | Tensile strength (N/mm2) | Elongation (% at L0=100mm) |
| Min | Max | Min | Max |
| N8 | 380 | - | 15 | 25 |
Some key features of Pure Nickel Wire N8 alloy include:
- High Purity (99.8% Nickel)
N8 pure nickel wire consists of at least 99.8% nickel, offering excellent resistance to corrosion and oxidation, especially in alkaline and mildly acidic environments.
- Excellent Corrosion Resistance
It has outstanding resistance to many corrosive environments, including caustic soda and seawater, as well as other organic and inorganic acids.
Particularly effective in resisting stress corrosion cracking in neutral and mildly alkaline solutions.
- Good Mechanical Properties
N8 exhibits moderate tensile strength and high ductility, making it suitable for both mechanical and electrical applications.
It can be easily cold-worked, welded, and fabricated into complex shapes, such as wire, sheet, and tube.
- Thermal and Electrical Conductivity
It offers good thermal and electrical conductivity, though not as high as copper, making it suitable for electronic and electrical components, such as contacts and connectors.
N8 is non-magnetic, making it ideal for use in sensitive applications where magnetism could interfere with the operation, such as in electronics and aerospace components.
N8 is highly formable and can be easily drawn into wire, making it a popular choice for applications requiring fine wire or thin sections.
It can also be welded and brazed with relative ease, allowing for versatile fabrication.
- High Temperature Stability
It can operate in elevated temperatures without significant degradation of its properties, making it suitable for use in high-temperature applications up to 600°C (1112°F).
Applications
- Commonly used in the manufacturing of electrical components, such as wire, connectors, and electrodes.
- Also used in chemical processing equipment, marine applications, and aerospace due to its durability in harsh environments.
- It is often used in industries requiring high-purity materials for reliable, long-term performance.
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