Aug 9 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Applications
Introduction
Magnesium AM60A-F cast alloy is known to possess superior energy-absorption characteristics and excellent ductility. It has a slightly higher strength than magnesium AM50A, but other properties are similar. It is not resistant to salt water conditions.
The following sections will discuss in detail about magnesium AM60A-F cast alloy.
Chemical Composition
The chemical composition of magnesium AM60A-F cast alloy is outlined in the following table.
|
Element |
Content (%) |
|
Magnesium, Mg |
94 |
|
Aluminum, Al |
5.5 - 6.5 |
|
Silicon, Si |
≤ 0.50 |
|
Copper, Cu |
≤ 0.35 |
|
Zinc, Zn |
≤ 0.22 |
|
Manganese, Mn |
0.13 - 0.60 |
|
Nickel, Ni |
≤ 0.030 |
Physical Properties
The physical properties of magnesium AM60A-F cast alloy are tabulated below.
|
Properties |
Metric |
Imperial |
|
Density |
1.80 g/cm3 |
0.0650 lb/in3 |
|
Melting point |
≥ 435 °C |
≥ 815 °F |
Mechanical Properties
The following table shows mechanical properties of magnesium AM60A-F cast alloy.
|
Properties |
Metric |
Imperial |
|
Tensile strength |
241 MPa |
35000 psi |
|
Yield strength |
131 MPa |
19000 psi |
|
Poisson’s ratio |
0.35 |
0.35 |
|
Elastic modulus |
45 GPa |
6530 ksi |
|
Elongation |
13% |
13% |
|
Hardness, Brinell |
65 |
65 |
|
Machinability |
100 |
100 |
Thermal Properties
The thermal properties of magnesium AM60A-F 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 AM60A-F cast alloy is chiefly used in automotive wheels.