The 6061 aluminum round bar is a metal that has been alloyed with silicon and magnesium. It is a widely used product because it has a high resistance to corrosion. It can be used in marine environments and can be used for heavy duty structures that need great weight-to-strength ratio. The applications you’ll find 6061 aluminum being used for include worm gears, machine parts, fixtures, electrical fittings, appliance fittings, marine fittings and truck components. Many different industries make use of this product.