The advantages of 5083 H116 aluminum alloy in the shipbuilding industry are primarily reflected in its exceptional corrosion resistance, high strength, excellent weldability, and low density, making it an ideal material for manufacturing high-performance ships and marine structures.
What is marine grade Aluminium 5083 H116?
Marine grade Aluminum 5083 H116 is a specialized aluminum alloy designed for marine environments, renowned for its excellent corrosion resistance and high strength.
Alloy Composition: 5083 aluminum alloy primarily consists of aluminum, magnesium, and manganese. Its composition provides outstanding resistance to corrosion in marine environments, particularly to seawater.
H116 Temper: The H116 temper indicates that the alloy has undergone a specific heat treatment process to enhance its strength and toughness. In the H116 condition, 5083 aluminum alloy exhibits high strength and maintains good toughness at low temperatures.
Advantages of 5083 H116 Aluminum Alloy in Shipbuilding:
Excellent Corrosion Resistance: 5083 H116 aluminum alloy offers exceptional resistance to seawater corrosion, making it one of the most corrosion-resistant aluminum alloys available, ideal for shipbuilding.
High Strength: In the H116 temper, 5083 aluminum alloy demonstrates high strength while retaining good toughness even at low temperatures, suitable for applications requiring strength and impact resistance, such as hull structures.
Superior Weldability: 5083 aluminum alloy provides excellent weldability, supporting various welding methods such as TIG and MIG. This is crucial for welding operations in shipbuilding.
Low Density: The low density of aluminum helps reduce the overall weight of the vessel, improving fuel efficiency and speed, which is a significant advantage in ship design.
Good Machinability: 5083 aluminum alloy is easy to machine, allowing for complex structural designs through mechanical processing and forming, meeting the precision and design flexibility required in shipbuilding.
Excellent Crack Resistance: Despite potential performance loss from welding, 5083 aluminum plates have excellent crack resistance, ensuring minimal performance difference in welded joints, which greatly benefits shipbuilding welding work.
Good Cold and Hot Forming Properties: 5083 aluminum alloy performs well in both cold and hot forming processes during ship construction, without developing cracks, fully meeting the performance requirements of the shipbuilding industry.
The specification of 5083 marine grade aluminum plate sheet
5083
Temper
Thickness
O, H111
3.00-50.00
H22, H32
3.00-6.00
H116, H321
3.00-50.00
H112
6.00-50.00
Chemical composition of 5083 marine grade aluminum plate sheet
Element
Composition %
Al
REM
Si
≤0.4
Cu
≤0.10
Mg
4.0-4.9
Zn
≤0.25
Mn
0.40-1.0
Ti
≤0.15
Cr
0.05-0.25
Fe
≤0.40
Note: Single≤0.05; Total≤0.15
Mechanical properties of 5083 marine grade aluminum plate sheet
