Large-scale liquefied natural gas transport ship, referred to as LNG ship, is the main means of transporting natural gas by sea. The outstanding physical properties of aluminum alloy plate make it an ideal choice for the manufacturing Moss LNG tank. From the perspective of ship designers, ships made of aluminum alloy can achieve higher speed and longer service life.

The superior advantages of 5083 aluminum plate for LNG tank

5083 aluminum alloy has high strength, good plasticity, corrosion resistance and processability, and has become a widely used material for manufacturing low temperature storage tanks such as LNG storage tank and LNG ships.

5083 aluminum plate for LNG storage tank and SUS304 austenitic stainless steel are also materials composed of cubic lattice, so they can be used in the lowest temperature range. Because its strength is lower than 9% Ni steel, its plate thickness is relatively thick, but its weight is light, and it has good bending workability and weldability. Therefore, like 9% Ni steel, it is used as one of the main materials of LNG storage tank, especially the LNG ship.

There are LNG tanks with the main wall structure entirely made of 5083 aluminum alloy, but most aluminum alloys have become important materials for the top structure of the storage tank because of their unique light weight and corrosion resistance.

Tank tops made of aluminum alloys also have better safety and economic advantages: fire resistance, excellent corrosion resistance and cleanliness and good economic effect.

5083 aluminum plate for Moss LNG tank

Tensile Strength Rm(Mpa): 110-136

Elongation A50(50%): ≥20

The annealing temperature is: 415

Yield strength Rp0.2(Mpa): ≥110

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