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Location: HOME > PRODUCTS > Aluminum / Aluminum Alloy > Aluminum/Aluminum Alloy Plate > 5083 / EN AW-5083 High-Strength Aluminum-Magnesium Alloy Plate

5083 / EN AW-5083 High-Strength Aluminum-Magnesium Alloy Plate

5083 / EN AW-5083 (AlMg4.5Mn0.7) is 5xxx series Al-Mg anti-corrosion aluminium alloy, non-heat treatable. Strength is achieved by magnesium solid solution and cold working. It is high strength, seawater resistant, weldable alloy, widely used for marine, offshore engineering & cryogenic tank projects.

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Product Name：	Aluminum Plate
Diameter：	100–2600 mm; Standard (in stock): 1000 mm, 1219 mm, 1500 mm
Thickness：	0.2mm – 200mm (Common thin plates: 1.5 /2.0 /2.5 /3.0 /4.0 /5.0mm)
Length：	1000mm-8000mm or Can be cut to specified lengths.
Standard：	ASTM, AISI,EN,DIN,BS,JIS,GOST,GB,etc
Main Material：	1000 series, 2000 series, 3000 series, 5000 series, 6000 series, 7000 series, 8000 series
Surface：	mill finish, flat, smooth, stucco emboss(orange peel), corrugation
Processing Method：	Bending, Welding, Decoiling, Cutting, Punching.
Special Specifications：	Available according to customer’s requirements and quantity.
Packaging：	Standard seaworthy packaging or as customers’ requirements.
Delivery Time：	Within 10-20 working days after receipt the deposit payment.
Usage：	Construction filed, Ships building industry, Decoration,Industry,
Usage：	Manufacture,Machinery and hardware fields, etc

Tolerance:

EN485-2 Class A as default, Class B available upon request with extra cost. Thickness / width / length, flatness and camber comply with EN485-2 or ASTM B209 as agreed in contract.

Chemical composition

Element	Si	Fe	Cu	Mn	Mg	Cr	Zn	Ti	Al
Percentage (%)	≤0.40	≤0.40	≤0.10	0.40~1.00	4.00~4.90	0.05~0.25	≤0.25	≤0.15	Margin

Supply status

Common supply status (Temper)	O	Fully annealed, soft temper. Lowest strength, maximum ductility for complex bending & deep drawing	H116	Marine strain-hardened temper with strict exfoliation corrosion control, ASTM B928 compliant
	H111	Slightly strain hardened, minor cold work after hot rolling. Slightly stronger than O with good formability	H321	Strain hardened + stabilized thermal treatment, low residual stress, excellent stress & exfoliation corrosion resistance
	H112	As-hot rolled temper, no dedicated strain hardening. Widely used for thick plate, wider mechanical tolerance

Material Advantages

Excellent resistance to salt spray and seawater corrosion, with high resistance to pitting and intergranular corrosion; performance in marine environments far exceeds that of 5052/5754.

Outstanding weldability—suitable for both MIG/TIG welding, with high post-weld strength retention and no need for post-weld heat treatment.

Superior low-temperature toughness, minimizing brittle fracture under cold conditions, making it ideal for LNG tanks and low-temperature pressure vessels.

High strength, ranking among the highest within non-heat-treatable 5xxx series aluminum alloys.

Good machinability, cutting, and bending properties; H116/H321 tempers offer excellent resistance to stress corrosion cracking (specifically designed for shipbuilding plates).

Limitations: High magnesium content results in inferior deep drawing and stretching formability compared to 5052; higher material cost.

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.

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Next:3003 / EN AW-300 Aluminum (Al-Mn) Alloy

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.

Hot Rolling Production Line

Cold rolling precision processing

Cold drawing/cold rolling line

Hot Rolling Production Line

Hot rolling production line (producing hot-rolled coils/medium-thick plates, thickness 2–60mm)

Cold rolling precision processing

(Producing ultra-thin / high-precision / shiny panels, with thickness ranging from 0.1 to 3mm, for high-end products)
Cold drawing/cold rolling line

(High-precision cold-drawn round steel, square steel, hexagonal steel, and special-shaped bars)

Cold drawing/cold rolling line

(High-precision cold-drawn round steel, square steel, hexagonal steel, and special-shaped bars)

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