Feb 23, 2021 · The 5052-H32, 5052-H34, or 6061-T6 marine aluminum plate is used for small hulls that need no stretch forming. Where stretch forming is employed, 6061-T4 sheet, which may be subsequently artificially aged to the T6 temper, is utilized. Haomei Aluminum has rich alloys of marine grade aluminum sheets for sale.6mm marine grade aluminium is versatility material for building boats. Such as marine grade 5083-H116 sheet, 5086, 5052. And 6061-t6 sheet can also satisfies the design requirements of various hull structures. There is also 6mm 4x8 aluminum sheet for marine application.5083 marine grade aluminium sheet belongs to 5xxx Al-Mg alloy. It is a typical anti-rust aluminum plate with good corrosion resistance, excellent weldability and good cold workability. Its main tempers are O, H12, H14, H16, H18, H19, H22, H24, H26 , H28, H32, H34, H36, H38, H111, H112, H114, H116, H321, etc. Themon ones are H112, H116 and H321.