China’s marine transport has reached a certain scale. In addition to the rapid economic development, the shipbuilding industry is also advancing by leaps and bounds. The ship is accompanied by moisture and rain, easily leading to corrosion and damage, and the ocean salt easily leads to premature corrosion of the ship base. Today, reducing the quality of the ship structure is also a crucial part. 3000 series of aluminum alloy can be used as a series of marine alloy aluminum.