3003 aluminium gutter coil stock is a color coated aluminum coil between 0.3mm and 0.6mm thick, and of tempers H24 and H26. 3003 coil aluminium is endowed with good anti-rust ability, bright attractive surface and excellent impact resilience. The addition of a small amount of Mg significantly refines the annealed crystals of 3003 alloy, and improves the tensile strength and …