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Formula: Al
Form: Wire
Material: Aluminum
CAS Number: 7429-90-5
Commodity: Metals
Goodfellow's Aluminum Spooled Wire is a versatile product known for its combination of light weight, good electrical conductivity, and corrosion resistance. This wire consists of high-purity aluminum, typically in the form of a continuous strand wound onto a spool for easy handling and use. Its low density, coupled with decent strength and formability, makes it valuable for a wide range of applications across various industries. Aluminum Spooled Wire finds extensive use in sectors such as electrical engineering, aerospace, and manufacturing. In electrical applications, it serves as a cost-effective alternative to copper for power transmission and distribution, particularly in overhead power lines where weight is a critical factor. The aerospace industry utilizes it in aircraft wiring systems, taking advantage of its light weight to improve fuel efficiency. In manufacturing, it's used for various fabrication processes, including welding and metal spraying. Cutting-edge research explores its potential in additive manufacturing techniques, such as wire arc additive manufacturing (WAAM), for creating large-scale, lightweight structures. The unique properties of Aluminum Spooled Wire make it a focus of ongoing research and development efforts in materials engineering and electrical technology. Its significance in both industrial applications and scientific investigations underscores its importance in advancing technologies that require materials with a balance of electrical conductivity, light weight, and processability.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Wire
Diameter ±10%
Length +5% / -1%

Material Properties for Metals

Atomic Properties
Element Value
Atomic number 13
Crystal structure Face centred cubic
Electronic structure Ne 3s² 3p¹
Valences shown 3
Atomic weight( amu ) 26.98154
Thermal neutron absorption cross-section( Barns ) 0.232
Photo-electric work function( eV ) 4.2
Atomic radius - Goldschmidt( nm ) 0.143
Ionisation potential( No./eV ) 4/ 120
Ionisation potential( No./eV ) 5/ 154
Ionisation potential( No./eV ) 6/ 190
Ionisation potential( No./eV ) 1/ 5.99
Ionisation potential( No./eV ) 3/ 28.4
Ionisation potential( No./eV ) 2/ 18.8
Mechanical Properties
Element Value
Material condition Soft
Material condition Hard
Poisson's ratio 0.345
Poisson's ratio 0.345
Bulk modulus( GPa ) 75.2
Bulk modulus( GPa ) 75.2
Tensile modulus( GPa ) 70.6
Tensile modulus( GPa ) 70.6
Hardness - Vickers( kgf mm⁻² ) 21
Hardness - Vickers( kgf mm⁻² ) 35-48
Tensile strength( MPa ) 130-195
Tensile strength( MPa ) 50-90
Yield strength( MPa ) 110-170
Yield strength( MPa ) Oct-35
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 2.67@20@20°C
Superconductivity critical temperature( K ) 1.175
Temperature coefficient( K⁻¹ ) 0.0045@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) 0.42
Physical Properties
Element Value
Boiling point( C ) 2467
Density( gcm⁻³ ) 2.7@20°C
Thermal Properties
Element Value
Melting point( C ) 660.4
Latent heat of evaporation( J g⁻¹ ) 10800
Latent heat of fusion( J g⁻¹ ) 388
Specific heat( J K⁻¹ kg⁻¹ ) 900@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 237@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 23.5@0-100°C

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