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5083 5086 Marine Grade Aluminum Plate

Accueil feuille d'alliage d'aluminium Plaque aluminium marine 5083 5086 Marine Grade Aluminum Plate

5083 et 5086 plaque d'aluminium are top choices for shipbuilding and marine applications, due to their corrosion resistance, force, and lightweight properties

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La description

5083 5086 Marine Aluminum plate are commonly used in ships, automobiles and aircraft plate pièces à souder, récipients sous pression, refrigeration devices, television towers, drilling equipment and other fields. Especially in the construction industry, it is widely used due to its good forming performance and weldability.
Belonging to the 5xxx series (magnesium-manganese alloys), 5083 5086 aluminum plate are engineered to withstand harsh saltwater environments while offering excellent weldability and formability.
Marine Grade Alloy 5083 5086 Aluminum Plate for Shipbuilding, Both are high-strength, corrosion-resistant alloys widely used in shipbuilding, marine infrastructure, and offshore applications.

Key Properties & Differences of 5083 5086 plaque d'aluminium

Property 5083 Plaque d'aluminium 5086 Plaque d'aluminium
Chemical Composition 4.0–4.9% Mg, 0.4–1.0% Mn, 0.1–0.25% Cr 3.5–4.5% Mg, 0.2–0.7% Mn, 0.05–0.25% Cr
Résistance à la traction 275–310 MPa 240–275 MPa
rendement Force 125–155 MPa 115–145 MPa
Élongation 12–15% 12–15%
Corrosion Resistance Exceptional in marine environments Excellent in marine environments
Weldability Outstanding; minimal cracking Bien; suitable for most welding processes
Formability Moderate to high Haute; ideal for complex shapes

Why Choose 5083/5086 aluminum plate for Marine Use?

  1. Superior Corrosion Resistance
    • The high magnesium content forms a protective oxide layer, making them highly resistant to saltwater, chlorides, and atmospheric exposure.
    • Commonly used in hulls, decks, and components submerged in seawater.
  2. High Strength-to-Weight Ratio
    • Lighter than steel but robust enough to handle dynamic loads in ship structures.
    • Reduces overall vessel weight, improving fuel efficiency.
  3. Weldability
    • Both alloys can be welded using TIG, MOI, or laser welding without significant embrittlement.
    • 5083 plaque d'aluminium is preferred for critical welds due to its lower susceptibility to cracking.
  4. Marine-Grade Finishes
    • Often supplied in H116 ou H321 tempère, which enhance corrosion resistance and toughness.
    • Can be further treated with anodic oxidation or epoxy coatings for added protection.

Applications in Shipbuilding

  • Hull Construction: Used for plating, cloisons, and frames.
  • Deck Structures: Sol, walkways, and hatches.
  • Superstructures: Aluminum masts, cabins, and ventilation systems.
  • Tanks & Piping: Réservoir d'essence, water tanks, and seawater pipelines.
  • Offshore Platforms: Modules, gangways, and corrosion-resistant panels.

Key Standards

  • ASTM B209 (5083/5086 sheet/plate)
  • FR 573-3 (aluminum alloy products for marine applications)
  • ABS/DNV GL certifications for shipbuilding compliance

Choosing Between 5083 et 5086

  • 5083 is ideal for high-stress components requiring maximum strength (e.g., hull plating, heavy-duty brackets).
  • 5086 offers better formability and is often used for complex shapes or cost-sensitive projects (e.g., aménagements intérieurs, smaller vessels).
Both alloys provide long-term reliability in marine environments, combining durability with ease of fabrication. For critical applications, consult marine engineers or material suppliers to optimize performance

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