Marine Grade 5083/5086 Aluminum Sheet

Aluminum alloys have a history of nearly a century in the shipbuilding industry. With the rapid development of the shipbuilding industry both domestically and internationally, the lightweight of ships has become increasingly important. Aluminum alloys are favored for their low density, small elastic modulus, corrosion resistance, weldability, ease of processing, non-magnetic properties, and good low-temperature performance. When applied in ships, they offer the following advantages:

(1) Due to its low density, aluminum alloys can reduce the weight of the ship, decrease the engine’s power requirement, and increase speed. This leads to reduced fuel consumption and cost savings, as well as improved aspect ratio and stability of the ship, making it easier to maneuver. Additionally, aluminum alloys allow for increased payload capacity, leading to additional profits.

(2) Aluminum alloys offer excellent corrosion resistance, reducing the need for maintenance such as oil coating and extending the service life of the ship (typically over 20 years).

(3) Aluminum alloys have good processability, making them suitable for various forms of processing such as cutting, stamping, cold bending, forming, and machining. They are ideal for streamlining the ship’s structure. Additionally, large-sized wide and thin-walled profiles can be extruded, reducing the number of welds and optimizing the structure and lightweighting of the ship.

(4) Aluminum alloys have good weldability, making welding relatively easy to perform.

(5) With a small elastic modulus, aluminum alloys have a high capacity to absorb impact stress, resulting in increased safety.

(6) Aluminum waste is easily recyclable, allowing for its reuse and promoting sustainability.

(7) Aluminum alloys do not exhibit low-temperature brittleness, making them highly suitable for low-temperature equipment and applications.

(8) Being non-magnetic, aluminum alloys do not interfere with compasses. Additionally, all-aluminum ships can avoid magnetic mines, making them suitable for minesweepers.

(9) Aluminum alloys are not susceptible to pests and dry deformation. They are also non-combustible, offering increased safety in the event of a fire.

From the perspective of ship designers, using aluminum plates for shipbuilding allows for achieving higher speeds and longer service life. The rapid development of aluminum alloy applications in the shipbuilding industry is a testament to these advantages, providing a broad market for aluminum materials in the shipbuilding sector.

Specification of 5083/5086 shipbuilding aluminum plates