3105 aluminum gutter coil is a common aluminum alloy material, widely used in construction and other applications that require drainage systems. The main components of 3105 aluminum alloy are aluminum, manganese and magnesium, which have good corrosion resistance, formability and weldability, making it very suitable for the manufacture of drains. Product Specifications – Thickness: Common thickness specifications are 0.45mm, 0.5mm, 0.6mm, …