3xxx coated aluminum spherical circles encompass 3003, 3004, 3005 and many others. Containing aluminum and manganese, 3xxx circles are hard, corrosion resistant and durable. Our regular specs available for 3xxx are as underneath.Alloy: 3003, 3004, 3005, 3104, 3105Mood: O, H12, H14, H16, H18, H22, H24, H26, H32, H34, H36Thickness: zero.5mm-6mmDiameter: 100mm-850mmFloor treatment: mill completed,...