5083 marine aluminium sheet

  • 2025-09-23 12:00:19

Aluminum has emerged as a material in marine applications, primarily due to its excellent resistance to corrosion and lightweight properties. Among the various grades of aluminum, 5083 marine aluminium sheet stands out for its exceptional strength and durability.

Features and Benefits

5083 marine aluminium sheets are favored in marine environments for several reasons:

  • Corrosion Resistance: The alloy is designed to withstand harsh marine conditions, making it ideal for boat building and other marine structures.
  • High Strength-to-Weight Ratio: Lightweight yet strong, grade 5083 allows for efficient designs in boat construction.
  • Formability: The alloy forms well, allowing it to be easily shaped and welded for complex designs.
  • Excellent Fatigue Resistance: Built for unrivaled performance under mechanical stress conditions.

Technical Specifications

Below are the technical specifications of 5083 marine aluminium sheet:

PropertyValue
Alloy Designation5083
TemperH321, H116, H112
Thickness Range3 mm to 150 mm
Alloy TypeHeat-Treatable
Typical Fabrication ProcessWelding, Bending, Cutting
Anodization CapabilityYes

Chemical Composition

The mechanical and chemical properties of 5083 marine aluminium sheet are significantly influenced by its chemical composition. To understand what elements contribute to its performance, refer to the table below:

ComponentPercentage (%)
Aluminum (Al)90.7 - 95.7
Magnesium (Mg)4.0 - 4.9
Manganese (Mn)0.4 - 1.0
Chromium (Cr)0.05 - 0.25
Copper (Cu)Max 0.1
Iron (Fe)Max 0.4
Silicon (Si)Max 0.4
Other Elements0.15 (each)

Mechanical Properties

The mechanical properties of 5083 marine aluminum sheet are crucial for evaluating its performance in demanding applications. Below are parameters:

PropertyValue
Yield Strength (Ftu, MPa)> 220 MPa
Ultimate Tensile Strength (U, MPa)> 270 MPa
Elongation at Break (%)10-15%
Hardness (Brinell)≤ 120 HB
Impact StrengthGood ()

Applications

Due to its outstanding performance characteristics, 5083 marine aluminum sheet has been widely used in a variety of marine and shipbuilding applications:

  • Ship Building: Hulls, decks, and superstructures are commonly constructed using 5083 due to its lightweight and corrosion-resistant properties.
  • Marine Equipment: Bodies of drones, under-frame of amphibious craft, and sponsons benefit from the durability of this material.
  • Transportation Solutions: Ferries and pleasure crafts use this alloy for structural elements that require robustness over long durations in water.
  • Coastal Construction: Industrial installations exposed to saltwater frequently use 5083 for platforms and braces.
  • Offshore Structures: Platforms and support vessels for oil rigs often incorporate this alloy for its toughness in harsh conditions.
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Lucy

Aluminum has emerged as a material in marine applications, primarily due to its excellent resistance to corrosion and lightweight properties. Among the various grades of aluminum.

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