An a3003 h16 aluminum coil is made of 3003 aluminium alloy containing aluminum and manganese. 3003 aluminum coil is also called an anti-rust aluminum alloy, for the adding of manganese significantly improves its resistance to corrosive substances. H16 indicates the mood. The range “1” refers to the bloodless hardening nation with a hardness obtained without warmth remedy, and “6” implies the hardness of the coil. There are H12, H14, H16 and H18, and every of the second one quantity represents a ...