Jul 30 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations
Introduction
Magnesium is a silvery white metal, abundantly available on earth’s crust. It is easily machinable and exhibits good ductility. It is commonly alloyed with non-ferrous metals like aluminum, copper, nickel, etc.
Magnesium AZ80A T4 is a wrought alloy, mainly composed of magnesium, aluminum and zinc. This datasheet will elaborate on the properties of this alloy.
Chemical Composition
The following table provides the chemical composition of magnesium AZ80A T4 alloy.
|
Element |
Content (%) |
|
Magnesium, Mg |
91.5 |
|
Aluminum, Al |
8 |
|
Zinc, Zn |
0.5 |
Physical Properties
The physical properties of magnesium AZ80A T4 alloy are given in the following table.
|
Properties |
Metric |
Imperial |
|
Density |
1.81 g/cc |
0.0654 lb/in³ |
|
Melting Point |
475-610°C |
887-1130°F |
Mechanical Properties
The mechanical properties of magnesium AZ80A T4 alloy are listed in the table below.
|
Properties |
Metric |
Imperial |
|
Tensile Strength |
330-380 MPa |
47900-55100 psi |
|
Yield strength (at strain 0.200%) |
230-275 MPa |
33400-39900 psi |
|
Elongation at break (in 50 mm) |
6-11 % |
6-11 % |
|
Hardness, Brinell (500 kg load, 10 mm ball) |
67-80 |
67-80 |
Thermal Properties
The following table provides the thermal properties of magnesium AZ80A T4 alloy.
|
Properties |
Metric |
Imperial |
|
Thermal expansion co-efficient |
27.2 µm/m°C |
15.1 µin/in°F |
|
Thermal Conductivity |
84 W/mK |
583 BTU in/hr.ft².°F |
Other Designations
Some of the other designations that are used to denote magnesium AZ80A T4 alloy are: