Bare Aluminum Wire

Bare Aluminum Wire is a fundamental electrical material widely used in power transmission, distribution systems, and various industrial applications. Our high-quality bare aluminum conductors offer excellent conductivity, lightweight properties, and superior corrosion resistance compared to copper alternatives.

Key Features of Bare Aluminum Wire

  • Excellent electrical conductivity (approximately 61% of copper)
  • Lightweight (about 30% the weight of equivalent copper wire)
  • Superior corrosion resistance
  • Cost-effective alternative to copper
  • High thermal conductivity
  • Non-magnetic properties

Technical Specifications

Parameter Value Standard
Material EC Grade Aluminum (1350) ASTM B230/B231
Conductivity 61% IACS (Minimum) ASTM B233
Tensile Strength 55-95 MPa ASTM B230
Elongation 10% Minimum ASTM B233
Wire Diameter Range 0.5mm - 10mm Custom Sizes Available

Common Applications

  • Overhead power transmission lines
  • Electrical distribution networks
  • Busbar conductors
  • Transformer windings
  • Grounding systems
  • Industrial wiring

Bare Aluminum Wire FAQ

What are the advantages of using Bare Aluminum Wire over copper?

Bare Aluminum Wire offers several advantages: it's significantly lighter (about 70% lighter than equivalent copper wire), more cost-effective (typically 50-60% of copper's price), and has excellent corrosion resistance. While its conductivity is about 61% that of copper, its lighter weight and lower cost make it ideal for long-distance power transmission where weight and cost are critical factors.

How should Bare Aluminum Wire be stored and handled?

Bare Aluminum Wire should be stored in a dry, well-ventilated area away from corrosive chemicals. Keep it on wooden pallets or plastic-covered surfaces to prevent ground contact. When handling, use clean gloves to prevent contamination, and avoid bending beyond the minimum bend radius (typically 10 times the wire diameter). For large reels, use proper lifting equipment to prevent mechanical damage.

What are the temperature limitations for Bare Aluminum Wire?

The continuous operating temperature for Bare Aluminum Wire is typically rated up to 90°C (194°F), with short-term overload capability up to 150°C (302°F). The melting point of aluminum is approximately 660°C (1220°F). For high-temperature applications, specially treated aluminum alloys or different materials may be more appropriate.

Aluminum vs Copper Wire Comparison

Property Bare Aluminum Wire Bare Copper Wire
Conductivity (% IACS) 61% 100%
Weight (kg/km for same conductivity) 48% of copper 100%
Cost 40-60% of copper 100%
Corrosion Resistance Excellent Good
Thermal Expansion Higher Lower

Safety Considerations

  • Always follow local electrical codes and regulations
  • Use proper PPE when handling (gloves, safety glasses)
  • Ensure proper connections to prevent galvanic corrosion
  • Use antioxidant compound at connection points
  • Maintain proper clearances for heat dissipation
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