3104 coated aluminum sheet 3104 coated aluminum sheet is AL-Mn series, it is aluminum alloy deformation, the main temper is H111/0/H14/H16/H18/H34, the maximum tensile can control is equal to 275MP, the elongation rate is 20%. Mirach Coating using precise PPG paints to process the 3104 coated aluminum sheet through the technical of roller coating and baking. Its color is glossy and with variety of colors enabling you to choose easily.