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5083 5086 Marine Grade Aluminum Plate

首页 铝合金板 海洋铝板 5083 5086 Marine Grade Aluminum Plate

5083 和 5086 铝板 are top choices for shipbuilding and marine applications, due to their corrosion resistance, 强度, and lightweight properties

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描述

5083 5086 Marine Aluminum plate are commonly used in ships, automobiles and aircraft plate 焊接件, 压力容器, 制冷装置, 电视塔, 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 铝板

财产 5083 铝板 5086 铝板
化学成分 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
抗拉强度 275–310 MPa 240–275 MPa
屈服强度 125–155 MPa 115–145 MPa
伸长 12–15% 12–15%
耐腐蚀 Exceptional in marine environments Excellent in marine environments
焊接性 Outstanding; minimal cracking 好; suitable for most welding processes
Formability Moderate to high 高; 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, 甲板, 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. 焊接性
    • Both alloys can be welded using TIG, 我, or laser welding without significant embrittlement.
    • 5083 铝板 is preferred for critical welds due to its lower susceptibility to cracking.
  4. Marine-Grade Finishes
    • Often supplied in H116 要么 H321 脾气, 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, 舱壁, and frames.
  • Deck Structures: Flooring, 走廊, and hatches.
  • Superstructures: Aluminum masts, cabins, and ventilation systems.
  • Tanks & Piping: 汽油桶, water tanks, and seawater pipelines.
  • Offshore Platforms: Modules, gangways, and corrosion-resistant panels.

Key Standards

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

Choosing Between 5083 和 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., 室内装饰, 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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