May 3 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations
Introduction
Aluminium / aluminum is found as a part of over 270 different minerals, making it the third most abundantly available element in the Earth’s crust.
Aluminium / aluminum alloys are used in several components and the list is increasing every year. Aluminium / aluminum 4043 alloy is a wrought alloy type with good corrosion resistance.
The following datasheet will provide more details about aluminium / aluminum 4043 alloy.
Chemical Composition
The following table shows the chemical composition of aluminium / aluminum 4043 alloy.
|
Element |
Content (%) |
|
Aluminum, Al |
94.8 |
|
Silicon, Si |
5.20 |
Physical Properties
The physical properties of aluminium / aluminum 4043 alloy are outlined in the following table.
|
Properties |
Metric |
Imperial |
|
Density |
2.69 g/cm3 |
0.0972 lb/in3 |
Mechanical Properties
The mechanical properties of aluminium / aluminum 4043 alloy are tabulated below.
|
Properties |
Metric |
Imperial |
|
Tensile strength |
145 MPa |
21000 psi |
|
Yield strength (@diameter 12.7 mm/0.500 in) |
70 MPa |
10200 psi |
|
Poisson’s ratio |
0.34 |
0.34 |
|
Elongation at break (@diameter 12.7 mm/0.500 in) |
22% |
22% |
|
Shear strength |
90 MPa |
13100 psi |
|
Hardness, Brinell (@load 500 kg; thickness 10.0 mm/1100 lb) |
39 |
39 |
Thermal Properties
The thermal properties of aluminium / aluminum 4043 alloy are tabulated below.
|
Properties |
Metric |
Imperial |
|
Thermal expansion co-efficient (average over 20-100°C/68-212°F) |
22.1 µm/m°C |
12.3 µin/in°F |
|
Thermal conductivity |
163 W/mK |
1130 BTU in/hr.ft².°F |
Other Designations
Equivalent materials to the aluminium / aluminum 4043 alloy are listed below:
-
BS N21
-
MIL-W-6712
-
Alcan GB-33S
-
Duricilium-FD
-
Star-Si-050
-
AWCO-45