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词条 5154 aluminium alloy
释义

  1. Chemical composition

  2. Properties

  3. References

5154 aluminium alloy is an alloy in the wrought aluminium-magnesium family (5000 or 5xxx series). As an aluminium-magnesium alloy, it combines moderate-to-high strength with excellent weldability. 5154 aluminium is commonly used in welded structures such as pressure vessels and ships. As a wrought alloy, it can be formed by rolling, extrusion, and forging, but not casting. It can be cold worked to produce tempers with a higher strength but a lower ductility. It is generally not clad.[1]

Alternate names and designations include AlMg3.5, N5, and A95154. The alloy and its various tempers are covered by the following standards:[2]

  • ASTM B 209: Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate
  • ASTM B 210: Standard Specification for Aluminum and Aluminum-Alloy Drawn Seamless Tubes
  • ASTM B 211: Standard Specification for Aluminum and Aluminum-Alloy Bar, Rod, and Wire
  • ASTM B 221: Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes
  • ASTM B 547: Standard Specification for Aluminum and Aluminum-Alloy Formed and Arc-Welded Round Tube
  • ISO 6361: Wrought Aluminium and Aluminium Alloy Sheets, Strips and Plates

Chemical composition

The alloy composition of 5154 aluminium is:[2]

  • Aluminium: 94.4 to 96.8%
  • Chromium: 0.15 to 0.35%
  • Copper: 0.1% max
  • Iron: 0.4% max
  • Magnesium: 3.1 to 3.9%
  • Manganese: 0.1%
  • Silicon: 0.25% max
  • Titanium: 0.2% max
  • Zinc: 0.2% max
  • Residuals: 0.15% max

The similar alloy A5254 differs only in impurities limits.

Properties

Typical material properties for 5154 aluminum alloy include:[2]

  • Density: 2.66 g/cm3, or 166 lb/ft3.
  • Young's modulus: 69 GPa, or 10 Msi.
  • Electrical conductivity: 32% IACS.
  • Ultimate tensile strength: 230 to 330 MPa, or 33 to 48 ksi.
  • Thermal Conductivity: 130 W/m-K.
  • Thermal Expansion: 23.9 μm/m-K.

References

1. ^Marks' Standard Handbook for Mechanical Engineers, 8th Ed., McGraw Hill, pp. 6-50 to 6-57
2. ^5154 (AlMg3.5, N5, A95154) Aluminum. Retrieved on 2014-12-04.
{{Aluminium alloys}}

1 : Aluminium–magnesium alloys

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