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Nickel Spooled Wire

Available Configurations

Properties common to all products in this list

Commodity: Metals Material: Nickel Form: Wire Composition: Ni CAS Number: 7440-02-0
Purity Diameter Length Temper ⓘ Other Variant
99% (2N) to 99.99% (4N) 0.01 mm to 2 mm 0.01 m to 10,000 m Annealed
Stress relieved
As Drawn
Hard
Straight wire

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Nickel Spooled Wire is available in purities from 99% (2N) to 99.99% (4N) in annealed, stress-relieved, as-drawn, and hard tempers, combining the metal’s good corrosion resistance, magnetic properties, and mechanical versatility in a continuous coil format suited to automated processing and high-volume component manufacture. Nickel is ferromagnetic below its Curie temperature of 358 °C — the highest Curie point of any commercially pure metallic element — and its face-centered cubic structure gives it good ductility and cold-drawing performance across the full purity range. In the annealed and stress-relieved conditions it is well suited to wound resistance heating elements, filter mesh, and electroformed components; as-drawn and hard tempers provide the spring-back and mechanical stiffness needed for precision coil springs, cathode heaters in vacuum tubes, and shaped electrode wire. Its good resistance to corrosion by caustic alkalis makes it a reliable material for chemical processing components in alkaline environments, and its electrochemical stability supports use in battery electrode fabrication and electroplating anodes. The broad purity range means it spans applications from general industrial fabrication across grades through to high-purity research substrates, electrochemical reference components, and magnetism studies where trace impurity levels must be controlled.

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Key Features

Nickel Spooled Wire is available in purities from 99% (2N) to 99.99% (4N) in annealed, stress-relieved, as-drawn, and hard tempers:

Ferromagnetism Below Curie Temperature of 358 °C

Nickel is ferromagnetic below its Curie temperature of 358 °C, the highest Curie point of any commercially pure metallic element. This property is operationally relevant in magnetic sensing components, electromagnetic actuators, and magnetism research where a well-characterized pure ferromagnetic wire is required.

Good Ductility and Cold-Drawing Performance

The face-centered cubic structure gives nickel good ductility and cold-drawing performance across the full purity range, supporting consistent wire drawing to fine gauges and reliable forming in winding and coiling operations.

Four Tempers Across a Wide Range of Mechanical States

Annealed and stress-relieved conditions provide maximum ductility for wound resistance heating elements, filter mesh, and electroformed components. As-drawn and hard tempers supply the spring-back and mechanical stiffness needed for coil springs, cathode heaters in vacuum tubes, and shaped electrode wire.

Corrosion Resistance in Caustic Alkaline Environments

Nickel’s good resistance to attack by caustic alkalis makes it reliable in chemical processing equipment and components operating in strongly alkaline environments where stainless steel would be inadequate.

Purity Range Spans Industrial to Research Grades (2N to 4N)

The 2N to 4N purity range covers general industrial fabrication through to high-purity electrochemical reference components and magnetism studies where trace impurity levels are a controlled experimental variable.

Industrial Applications

Nickel Spooled Wire is used across heating element manufacture, vacuum electronics, electrochemistry, and research wherever its ferromagnetism, corrosion resistance, and purity range determine material selection:

Wound Resistance Heating Elements
Annealed and stress-relieved wire is wound into resistance heating elements for industrial and laboratory furnaces, where good ductility supports consistent coil geometry and nickel’s resistance to oxidation in air provides adequate service life at moderate operating temperatures.
Cathode Heaters in Vacuum Tubes
Applied as cathode heater wire in vacuum tubes and thermionic devices, where as-drawn or hard temper provides the mechanical stiffness needed to maintain heater geometry under the thermal cycling of device operation.
Filter Mesh and Electroformed Components
Used in filter mesh fabrication and electroforming, where annealed wire’s ductility supports the close-wound mesh geometries required and nickel’s electrochemical stability supports reliable electroforming process performance.
Battery Electrode Fabrication and Electroplating Anodes
Applied in battery electrode fabrication and as electroplating anodes, where nickel’s electrochemical stability in alkaline electrolytes and the coil format’s compatibility with automated electrode production support reliable, consistent output.
Chemical Processing Components in Alkaline Environments
Used in chemical processing components exposed to caustic alkalis, where nickel’s resistance to alkaline attack ensures long service life in environments where stainless steel grades are inadequate.
Magnetism Studies and Electrochemical Reference Research
Higher-purity grades are used in magnetism studies and electrochemical reference applications where trace impurity levels must be controlled, providing a well-characterized pure ferromagnetic wire substrate for systematic experimental investigation.

Material Properties

Atomic Properties
Element Value
Atomic number 28
Crystal structure Face centred cubic
Electronic structure Ar 3d⁸ 4s²
Valences shown 0, 1, 2, 3
Atomic weight( amu ) 58.69
Thermal neutron absorption cross-section( Barns ) 4.54
Photo-electric work function( eV ) 4.9
Natural isotope distribution( Mass No./% ) 60/ 26.10
Natural isotope distribution( Mass No./% ) 62/ 3.59
Natural isotope distribution( Mass No./% ) 61/ 1.13
Natural isotope distribution( Mass No./% ) 58/ 68.27
Natural isotope distribution( Mass No./% ) 64/ 0.91
Atomic radius - Goldschmidt( nm ) 0.125
Ionisation potential( No./eV ) 2/ 18.2
Ionisation potential( No./eV ) 4/ 54.9
Ionisation potential( No./eV ) 6/ 108
Ionisation potential( No./eV ) 1/ 7.63
Ionisation potential( No./eV ) 3/ 35.2
Ionisation potential( No./eV ) 5/ 75.5
Mechanical Properties
Element Value
Hardness - Brinell 190
Hardness - Brinell 100
Material condition Hard
Material condition Soft
Poisson's ratio 0.312
Poisson's ratio 0.312
Bulk modulus( GPa ) 177.3
Bulk modulus( GPa ) 177.3
Tensile modulus( GPa ) 199.5
Tensile modulus( GPa ) 199.5
Izod toughness( J m⁻¹ ) 160
Izod toughness( J m⁻¹ ) 160
Tensile strength( MPa ) 400
Tensile strength( MPa ) 660
Yield strength( MPa ) 150
Yield strength( MPa ) 480
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 6.9@20°C
Temperature coefficient( K⁻¹ ) 0.0068@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) -1.48
Physical Properties
Element Value
Boiling point( C ) 2732
Density( gcm⁻³ ) 8.9@20
Density( gcm⁻³ ) 8.9@20C
Thermal Properties
Element Value
Melting point( C ) 1453
Latent heat of evaporation( J g⁻¹ ) 6378
Latent heat of fusion( J g⁻¹ ) 292
Specific heat( J K⁻¹ kg⁻¹ ) 444@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 90.9@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 13.3@0-100°C
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Available Configurations

Properties common to all products in this list

Commodity: Metals Material: Nickel Form: Wire Composition: Ni CAS Number: 7440-02-0

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Tolerances

Wire
Diameter ±10%
Length +5% / -1%