Alloy 360 or Brass 360 is an alloy mixture of copper and zinc. Brass 360 is known both for it's strength and resistance to corrosion. It also contains a small amount of lead, which is what makes this alloy very machinable. In the half-hard condition, Brass 360 (Alloy 360) properties are very close to steel. Brass 360 is one of the highest consumed copper alloys.