Henan Gnee New Material Co., Ltd. is one of the most reliable manufacturers and suppliers of 5454 marine grade aluminum sheet plate in China. With abundant experience, we warmly welcome you to wholesale high quality 5454 marine grade aluminum sheet plate in stock here from our factory. Good service and reasonable price are available.
5454 Marine Grade Aluminum Sheet Plate Description
5454 aluminum plate is a high-strength, corrosion-resistant alloy specifically developed for marine and offshore applications. With excellent resistance to seawater, chemicals, and harsh environmental conditions, 5454 is widely used in shipbuilding, tank manufacturing, and structural marine components.
5454 marine plate has good machinability and can be processed into various shapes, such as bending, cutting, welding, etc. This allows 5454 plate to be customized according to the needs of ship design to suit the needs of hulls of different shapes and structures.
Key Features of 5454 Marine Aluminum Sheet:
Excellent corrosion resistance, especially in saltwater and marine atmospheres
Higher strength than 5083 aluminum alloy in certain tempers
Good weldability and moderate formability
Resistant to stress corrosion and cracking
Suitable for both cold and hot forming processes
Typical Applications of 5454 aluminum plate:
Marine vessel hulls and decks
LNG and fuel tankers
Ship side and bottom plating
Offshore structures and support platforms
Pressure vessels and chemical containers
Container panels and truck trailer walls
Chemical composition of 5454 marine grade aluminum plate
| Element | Composition % |
| Al | Rem |
| Si | ≤0.25 |
| Fe | 0.000-0.400 |
| Cu | ≤0.10 |
| Mn | 0.50-1.0 |
| Mg | 2.4-3.0 |
| Cr | 0.05-0.20 |
| Ti | ≤0.20 |
| Zn | ≤0.25 |
| Note：Each:≤0.05;Total:≤0.15 | |
Mechanical properties of 5454 aluminium grade for marine use
| Alloy | Temper | Sample temper | Thickness ｍｍ | Tensile strength RｍMPa | Extension strength RP0.2/Mpa | Elongation ％ | |
| A50 ｍｍ | A | ||||||
| 5454 | O | O | 3.00-6.00 | 215-285 | ≥85 | ≥17 | |
| >6.00-12.50 | 215-285 | ≥85 | ≥18 | ||||
| >12.50-50.00 | 215-285 | ≥85 | - | ||||
| H111 | H111 | 3.00-6.00 | 215-285 | ≥85 | ≥17 | ||
| >6.00-12.50 | 215-285 | ≥85 | ≥18 | ||||
| >12.50-50.00 | 215-285 | ≥85 | - | ||||
| H22, H32 | H22, H32 | 3.00-6.00 | 250-305 | ≥180 | ≥8 | ||
| H112 | H112 | 6.00-50.00 | ≥220 | ≥125 | ≥8 | ||
specification of 5454 Marine Grade Aluminum Sheet
| Item | Description |
|---|---|
| Alloy Grade | 5454 |
| Temper | O, H111, H112, H24, H32, H34, H36, H38 |
| Dimensions | Thickness: 1–500 mm Width: 1000–3100 mm Length: 1000–13000 mm |
| Certificates | BV, DNV, ABS |
| Applications | Widely used in high-speed marine vessels such as express ferries, LNG spherical tanks, hydrofoils, offshore workboats, and yachts. Also applied in shipboards, bottom plating, portholes, carrier plates, and side plates of shipping containers. |
| Normal dimension | 1250 × 2500mm, 1500mm×3000mm, 2000mm×8000mm |
| Standard | ASTM B928/B928M-15 ASTM B928/B928M-21 ISO 12215-5:2019 |
| Product Features | - Wide width availability - Excellent corrosion resistance - Low elastic modulus - Good weldability - Easy to process - No low-temperature brittleness - Non-magnetic |
our advantege
GNEE's monthly output is more than 1,000 tons, and the delivery time is generally within 7-15 days, except for special customized products;
GNEE Aluminum is strong, with 6 semi-continuous casting production lines, 10 continuous casting and rolling production lines and 44 other large-scale processing equipment, with an annual production capacity of 1.4 million tons;
GNEE introduced SMS six-roller cold rolling mill equipment, which can produce 2600mm ultra-wide 5454 aluminum plates with flat plate shape and neat trimming;
GNEE's "1+1" production line has provided a solid foundation for the large-scale production of 5454 aluminum plates, further ensuring the excellent performance of 5454 aluminum plates.
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