How 5083 Aluminum Plate Enhances Durability in LNG Tanker Manufacturing?
When it comes to storing LNG, the performance of materials is paramount. The 5083 aluminum plate is known for its great mechanical properties. These include high tensile strength and strong fatigue resistance. These features are important for LNG storage tanks. They need to handle the stress from very cold temperatures and changing pressures.
5083 tanker aluminum plate is an aluminum alloy material specially used for tanker manufacturing. It is lightweight and resistant to corrosion. It has excellent weldability. This material is often used in oil tankers, liquid tankers, and other transport vehicles.
The 5083 aluminum plate is now the top choice for making modern tankers. It is especially good for liquid transport vehicles that need high safety and durability.
Using a 5083 aluminum alloy tanker improves fuel efficiency and lowers operating costs. It also extends the vehicle’s service life and reduces maintenance needs. This makes it a great choice for green logistics and safe transportation.
5083 aluminum alloy is the industry standard for LNG tanker construction because it uniquely combines cryogenic toughness, excellent weldability, and outstanding marine corrosion resistance. Its performance directly addresses the severe operational challenges of storing liquefied natural gas at -162°C during maritime transport.
The soft 5083-O (annealed) temper is primarily used for the main tank structure due to its formability and toughness. The 5083-H116/H321 tempers are used for parts like support skirts, offering higher strength while maintaining good corrosion resistance.
The use of 5083 aluminum plates in the LNG storage tank industry has been steadily increasing. These plates are especially popular in areas that need high performance and strength. They are used in building LNG carriers and storage tanks on land. The advantages they offer make them a go-to choice for engineers and architects working on LNG projects around the globe.
Specification of 5083 Aluminum Plate
Chemical composition
| Alloy | Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Zr | Unit |
| 5083 | ≦0.4 | ≦0.4 | ≦0.1 | 0.40-1.00 | 4.00-4.90 | 0.05-0.25 | ≦0.25 | ≦0.15 | – | Wt% |
Mechanical properties
| Alloy | Temper | Rm(Mpa)
Tensile strength |
Rp0.2(MPa)
Yield strength |
Elongation
A(%) |
Exfoliation
corrosion |
Intergranular corrosion
Mg/cm2 |
Certification |
| 5083 | O/H111/H112 | ≥275 | ≥125 | ≥16 | – | – | DNV, GL, ABS, CCS, BV, LR |
| H116 | ≥305 | ≥215 | ≥10 | ≦PB | ≦15 | ||
| H321 | 305-385 | 215-295 | ≥12 |
5083 Aluminum Plate Dimensions
| Alloy | Temper | Thickness(mm) | Width（mm） | Length(mm) |
| 5083 | O,H12,H14,
H16,H18,H19, H22,H24,H26, H28,H32,H34 H36,H38,H111, H112,H114,H 116,H321 |
3-50 mm | 2000 mm or customized |
6000/8000/9000/12000mm or customized |