May 3 2013
Topics Covered
Introduction
Chemical Composition
Mechanical Properties
Introduction
Aluminium / aluminum is a versatile light metallic element. The chemical symbol of this element is Al, and it belongs to the boron group. It is a widely used element due to its low density and excellent corrosion resistance.
Aluminium / aluminum 6040 alloy is a wrought alloy type with good corrosion resistance and excellent machinability. It is a lead-free alternative to aluminium/ aluminum 6262 alloy. This alloy also possesses excellent coating acceptance.
The following datasheet will provide more details about aluminium / aluminum 6040 alloy.
Chemical Composition
The following table shows the chemical composition of aluminium / aluminum 6040-T9 alloy.
|
Element |
Content (%) |
|
Aluminum, Al |
93.75-98.15 |
|
Magnesium, Mg |
0.80-1.2 |
|
Silicon, Si |
0.40-0.80 |
|
Tin, Sn |
0.30-1.2 |
|
Copper, Cu |
0.20-0.80 |
|
Iron, Fe |
≤ 0.70 |
|
Zinc, Zn |
≤ 0.25 |
|
Bismuth, Bi |
0.15-0.70 |
|
Titanium, Ti |
≤ 0.15 |
|
Chromium, Cr |
≤ 0.15 |
|
Manganese, Mn |
≤ 0.15 |
|
Remainder (each) |
≤ 0.050 |
|
Remainder (total) |
≤ 0.15 |
Mechanical Properties
The mechanical properties of aluminium / aluminum 6040-T9 alloy are tabulated below.
|
Properties |
Metric |
Imperial |
|
Tensile strength (@diameter 12.7 mm/0.500 in) |
324 MPa |
47000 psi |
|
Yield strength (@diameter 12.7 mm/0.500 in) |
303 MPa |
43900 psi |
|
Elongation at break (@diameter 12.7 mm/0.500 in) |
14% |
14% |
|
Shear strength |
207 MPa |
30000 psi |
|
Hardness, Rockwell B |
62 |
62 |