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54 belongs to the 5xxx series of aluminum-magnesium rust-proof alloys (EN designation: AlMg3). It is a non-heat-treatable alloy with a magnesium content of 2.6%–3.6%, further alloyed with manganese and chromium. It offers higher strength than 5052, excellent resistance to marine salt-spray corrosion, superior weldability, and good formability and bending characteristics. It is a classic, medium-strength aluminum alloy widely used in the shipbuilding and tanker industries. Common supply tempers include O, H22, H32, and H34. Combining medium strength with outstanding fatigue resistance—and exhibiting minimal loss of properties after welding—it is well-suited for welded structural components and is a popular choice for aluminum coils exported to Western markets for marine and transportation applications.

Chemical composition
Executive Standards
- GB/T 3880.2 (Chinese National Standard)
- ASTM B209 (American Standard – preferred for exports)
- EN AW-5754 / EN 485 (European Standard; classification society certifications such as CCS, DNV, and ABS are available)

Mechanical Properties (Common Tempers)
Application Scenarios
Ship decks, bulkheads, and superstructures; tanker trucks, oil storage tanks, chemical storage tanks, and low-pressure pressure vessels; container liners and truck bed flooring; new energy battery enclosures and automotive body sheet metal; offshore platform components, food processing equipment, and welded frames.
Packaging for Ocean Transport
Aluminum coils: Wrapped in moisture-proof paper and stretch film, secured on wooden pallets. Cut-to-length sheets: Packed on wooden pallets with protective corner guards, sealed for moisture-proof protection during ocean container transport.
Payment Methods
Flexible payment terms available: T/T and L/C. For new clients, 30% advance payment for production, balance against copy of B/L. L/C is acceptable for large & regular orders to secure both parties.
Warehousing Management
Before each batch of steel leaves the factory, a complete process inspection is strictly carried out. From chemical composition, mechanical properties to dimensional tolerance and surface quality, each item is carefully checked to ensure compliance with national standards and export regulations. At the same time, the quantity, packaging and rust prevention treatment are also verified. An original factory warranty certificate is attached, guaranteeing the quality. Before shipment, inspection photos are provided. Any non-compliant items will not be released, and the quality is fully controllable throughout the process. This ensures your overseas purchasing is safe and worry-free.
All items are visually inspected before delivery. No cracks, deformation, rust, scratches or cutting marks are allowed; edges must be smooth. Only visually sound products will be shipped.
Thickness, width, length, wall thickness, outer diameter have been measured. Straightness, curvature, torsion, diagonal tolerance all meet the corresponding tolerance requirements.
Quality inspection includes: mechanical property tests (yield strength, tensile strength), elongation rate, impact energy, hardness testing, chemical composition testing, process performance testing, etc.
Inspection according to packaging requirements: secure binding, moisture-proof film, rust-proof paper, export fumigation/fumigation-free wooden crates, shipping marks, gross weight, net weight, etc.
We will provide full reception services to support the customers' on-site inspection of the goods.
Warehousing Management
A ten-thousand-ton standardized warehouse with grid-based zoning and system positioning enables rapid material retrieval and reduces the time spent searching for materials.
Inbound inspection: Verify the physical items against the inbound form, inspect the appearance, dimensions, and labels. Once confirmed to be correct, the materials are entered into the ERP system and processed for storage.
Logistics and Global Delivery: Self-operated fleet + contracted logistics partners; expedited service available for urgent orders.
International Shipping: Supports FOB, CIF, DDP, and other trade terms, covering 100+ countries and regions.
Process: Booking → Trucking → Customs Declaration → Loading onto Ship/Aircraft → Bill of Lading Issuance → Document Delivery → Destination Port Customs Clearance (Optional) → Last-Mile Delivery.
Provides door-to-door one-stop logistics with full tracking to ensure safe and timely arrival of goods.
After-Sales Service and Traceability: Delivery receipts, logistics information, and quality inspection documents are sent to customers within 24 hours of shipment.
Established a full product lifecycle traceability system, allowing tracking of production, quality inspection, warehousing, and transportation records.
Follow-up inspection within 72 hours of arrival; rapid response and handling of quality issues; assistance in resolving customs clearance issues for foreign trade orders.
Packaging Method
Fumigation-free plywood boxes
Steel strapping/bottom pallet
Vacuum/VCI Rust-Proof Paper
Steel plate frame reinforcement
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