Aluminum/Magnesium/Silicon Alloy Spooled Wire (Al99/Mg0.5/Si0.5)

Aluminum/Magnesium/Silicon Alloy Spooled Wire (Al99/Mg0.5/Si0.5) delivers a balance of high conductivity, low density, and corrosion resistance with moderate strength, achieved by alloying aluminum with magnesium for mechanical reinforcement and silicon for precipitation hardening. The spooled configuration ensures continuous feed for welding, additive manufacturing, and automated assembly lines. It is used extensively in aerospace electrical harnesses, marine communication cable systems, and automotive lightweight electrical conductors. Technologies benefiting include wire-arc additive manufacturing of aluminum components, EMI-shielded aerospace wiring, and high-performance robotic cabling. Research focuses on refining alloy microstructure through controlled casting, rolling, and heat treatment, optimizing both mechanical and electrical performance, and improving feed stability in high-speed processing environments. Aluminum/Magnesium/Silicon Alloy Spooled Wire (Al99/Mg0.5/Si0.5) stands out in industries requiring weight efficiency without compromising durability or conductivity.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Wire

Diameter		±10%
Length		+5% / -1%

Material Properties for Alloys

Mechanical Properties

Element	Value
Elongation at break( % )	<16
Modulus of elasticity( GPa )	69.5
Tensile strength( MPa )	90-300

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	3.2
Temperature coefficient( K⁻¹ )	-

Thermal Properties

Element	Value
Melting point( C )	655
Specific heat( J K⁻¹ kg⁻¹ )	960@23°C
Thermal conductivity( W m⁻¹ K⁻¹ )	209@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	23.4@20-100°C