Jul 29 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Applications
Introduction
Magnesium AM60B cast alloy has excellent ductility, superior energy absorbing properties, and good strength and castability.
The following sections will discuss in detail about magnesium AM60B cast alloy.
Chemical Composition
The chemical composition of magnesium AM60B cast alloy is outlined in the following table.
|
Element |
Content (%) |
|
Aluminum, Al |
5.5-6.5 |
|
Manganese, Mn |
0.24-0.6 |
|
Zinc, Zn |
0.22 |
|
Silicon, Si |
0.1 |
|
Copper, Cu |
0.01 |
|
Iron, Fe |
0.005 |
|
Nickel, Ni |
0.002 |
|
Others, each max |
0.02 |
|
Magnesium, Mg |
Remainder |
Physical Properties
The physical properties of magnesium AM60B cast alloy are tabulated below.
|
Properties |
Metric |
Imperial |
|
Density |
1.80 g/cm3 |
0.065 lb/in3 |
Mechanical Properties
The following table shows mechanical properties of magnesium AM60B cast alloy.
|
Properties |
Metric |
Imperial |
|
Tensile strength |
225-240 MPa |
33-35 ksi |
|
Yield strength |
130 MPa |
18 ksi |
|
Elastic modulus |
45 GPa |
6526 ksi |
|
Elongation |
8-13 % |
8-13 % |
|
Hardness |
65 |
65 |
Thermal Properties
The thermal properties of magnesium AM60B cast alloy are tabulated below.
|
Properties |
Metric |
Imperial |
|
Thermal expansion co-efficient (@20-100°C/68-212°F) |
26 µm/m°C |
14.4 µin/in°F |
|
Thermal conductivity (@20°C/68°F) |
61 W/mK |
422 BTU in/hr.ft².°F |
Applications
Magnesium AM60B cast alloy is chiefly used in several components in the automobile sector. The following are some of them:
-
Brackets
-
Seat frames
-
Instrument panels
-
Steering wheels