Not by volume, though; aluminum has about 1.5 times the resistivity of copper. Aluminum also has a much lower melting point (660°C vs. 1084°C) and is also very

Not by volume, though; aluminum has about 1.5 times the resistivity of copper. Aluminum also has a much lower melting point (660°C vs. 1084°C) and is also very prone to galvanic corrosion when used with other common conducting metals.