Aluminum 6003 Alloy (UNS A96003)

Topics Covered

Chemical Composition
Physical Properties


Aluminum 6003 is a wrought alloy with good corrosion resistance. Aluminum 6003 plate alloy is heat treatable whereas the sheet is not heat treatable. The following datasheet will provide more details about aluminum 6003 alloy.

Chemical Composition

The following table shows the chemical composition of aluminum 6003 alloy.

Element Content (%)
Aluminum, Al 95.2-98.9
Magnesium, Mg 0.80-1.5
Iron, Fe ≤ 0.60
Chromium, Cr ≤ 0.35
Silicon, Si 0.35-1
Copper, Cu ≤ 0.10
Titanium, Ti ≤ 0.10
Zinc, Zn ≤ 0.20
Remainder (each) ≤ 0.050
Remainder (total) ≤ 0.15

Physical Properties

The physical properties of aluminum 6003 alloy are outlined in the following table.

Properties Metric Imperial
Density 2.70 g/cm³ 0.0975 lb/in³


Aluminum 6003 sheet/plate alloy is used in the following applications:

  • Construction and piping
  • Decoration and packaging
  • Cover materials
  • Printing
  • Electronic elements
  • Refrigeration and air conditioners
  • Automobiles

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