Aluminum 5052 circle and aluminum circle 3003 cookware are further products of aluminium sheet coil. 3003 aluminum circle is made of aluminium alloy 3003, known for medium hardness and good corrosion resistance. 5052 aluminum circle contains an alloying metal of magnesium, boasting excellent processing properties and better corrosion resistance than 3003. Both are high-end aluminum alloy circle plate products for …