Introduction
Aluminium/Aluminum alloys are known for strong corrosion resistance. These alloys are sensitive to high temperatures ranging between 200 and 250°C (392 and 482°F), and tend to lose some of its strength. However, the strength of Aluminium/Aluminum alloys can be enhanced at subzero temperatures, making them ideal low-temperature alloys.
Aluminium/Aluminum 4032 alloy is a wrought alloy type. The following datasheet will provide more details about Aluminium/Aluminum 4032 alloy.
Chemical Composition
The following table shows the chemical composition of Aluminium/Aluminum 4032 alloy.
Element Content (%) Aluminum, Al 85 Silicon, Si 12.20 Magnesium, Mg 1.0 Copper , Cu 0.90 Nickel, Ni 0.9 Physical Properties
The physical properties of Aluminium/Aluminum 4032 alloy are outlined in the following table.
Properties Metric Imperial Density 2.69 g/cm3 0.0971 lb/in³ Mechanical Properties
The mechanical properties of Aluminium/Aluminum 4032 alloy are tabulated below.
Properties Metric Imperial Elastic modulus 70-80 Gpa 10152-11603 ksi Poisson’s ratio 0.33 0.33 Thermal Properties
The thermal properties of Aluminium/Aluminum 4032 alloy are tabulated below.
Properties Conditions T (ºC) Treatment Thermal conductivity 155 W/mK 25 O Thermal expansion 19.4 x 10-6/ºC 20-100 -
Fabrication and Heat Treatment
Machinability
Machinability of Aluminium/Aluminum 4032 alloy is rated as fair to good. Machining should be performed using lubricating oils.
Forming
Aluminium/Aluminum 4032 alloy is a forging alloy and can be formed using hot die forging.
Welding
Aluminium/Aluminum 4032 alloy is weldable and the recommended method is inert-gas arc welding method. The gas welding method is not suitable.
Heat Treatment
Solution heat treatment of Aluminium/Aluminum 4032 alloy is performed at 510°C (950°F) for 1 to 12 hours based on the thickness of the section.
Forging
As Aluminium/Aluminum 4032 alloy is a forging alloy, hot die forging can be easily performed in the range of 510 to 371°C (950 to 700°F).
Cold Working
Aluminium/Aluminum 4032 alloy cannot be cold worked.
Annealing
Annealing of Aluminium/Aluminum 4032 alloy can be performed at 413°C (775°F) for a certain amount of time to ensure thorough heating, and then the alloy has to be cooled in a controlled manner at rate of 10°C (50°F) per hour to 204°C (400°F). Finally it is air cooled.
Aging
Aluminium/Aluminum 4032 alloy can be aged (T6 temper) by solution heating at 510°C (950°F), cold water quenching, heating at 171°C (340°F) for 10 hours and finally air cooling.
Applications
Aluminium/Aluminum 4032 alloy is widely used in the manufacture of pistons.
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