Aluminum Alloy 5005 (UNS A95005)

Image of aluminium 5005 bars

Aluminum 5005 is a non-heat-treatable alloy in the 5000 series, known for its excellent corrosion resistance, moderate strength, and superior formability. It is frequently used in marine and architectural applications.

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Chemical Composition
ElementMinMax
Aluminum97.0%99.5%
Chromium——0.1%
Copper——0.2%
Iron——0.7%
Magnesium0.5%1.1%
Manganese——0.2%
Silicon——0.3%
Zinc——0.25%
Residuals——0.15%

The following table provides a list of aluminum 5005 properties in both SI and US customary/Imperial units.

Click on the button to switch between Metric and Imperial units.

Table of Aluminum 5005 Properties
Physical Properties
Metric
Density2700 kg/m3
Mechanical PropertiesMetric
Tensile Strength160 MPa
Yield Strength90 MPa
Young’s Modulus (E)70 - 80 GPa
Shear Modulus (G)26 GPa
Elongation at Break12 - 25%
Poisson’s Ratio (ν)0.33
Brinell Hardness50 HB
Thermal PropertiesMetric
Melting Point630 - 655 °C
Thermal Conductivity200 W/m·K
Specific Heat Capacity (Cp)900 J/kg·K
Coefficient of Thermal Expansion (αL)2.35×10-5 1/°C
Electrical PropertiesMetric
Electrical Conductivity3.0×107 S/m
Electrical Resistivity3.3×10-8 Ω·m

The values in this table are approximate and can vary depending on various factors such as the specific manufacturing process and heat treatment applied to the alloy.

Advantages & Disadvantages of Aluminum 5005

AdvantagesDisadvantages
High strengthNot heat-treatable
Corrosion resistanceLow fatigue strength
FormabilityLimited machinability
WeldabilityHigh cost

Applications of Aluminum 5005

Aluminum 5005 is a preferred material for industries that need lightweight durability and resistance to saltwater corrosion. Key applications include:

  • Building and construction: Widely used in roofing, siding, and architectural cladding due to its corrosion resistance, formability, and ease of fabrication.
  • Marine industry: Ideal for boat hulls, shipbuilding, and other marine applications because of excellent corrosion resistance properties, particularly in saltwater environments.
  • Electrical and electronic components: Commonly used for heat sinks, electronic enclosures, and bus bars thanks to good thermal and electrical conductivity.
  • Automotive industry: Popular choice for body panels, fuel tanks, and heat shields due to its lightweight nature and corrosion resistance.
  • General manufacturing: Frequently employed in sheet metal fabrication, stamping, and spinning because of its excellent formability and ease of fabrication.
  • Food and beverage packaging: Used for cans, lids, and closures as it offers high corrosion resistance, formability, and is non-toxic.
  • Signage and displays: Preferred material for outdoor signs and trade show displays due to good formability and ability to be easily painted or coated.
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