Aug 5 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations
Applications
Introduction
Magnesium AM50A-F exhibits good energy absorbing capabilities and ductility.
This data sheet will elaborate on the properties and applications of magnesium AM50A-F alloy.
Chemical Composition
The following table shows the chemical composition of magnesium AM50A-F alloy.
|
Element |
Content (%) |
|
Magnesium, Mg |
94.8 |
|
Aluminum, Al |
4.4-5.4 |
|
Manganese, Mn |
0.26-0.60 |
|
Zinc, Zn |
≤0.22 |
|
Silicon, Si |
≤0.10 |
|
Other, each |
≤0.020 |
|
Copper, Cu |
≤0.010 |
|
Iron, Fe |
≤0.0040 |
|
Nickel, Ni |
≤0.0020 |
Physical Properties
The physical properties of magnesium AM50A-F alloy are given in the following table.
|
Properties |
Metric |
Imperial |
|
Density |
1.77 g/cc |
0.0639 lb/in³ |
|
Melting Point(Incipient Melting) |
≥435°C |
≥815°F |
Mechanical Properties
The mechanical properties of magnesium AM50A-F alloy are provided in the table below.
|
Properties |
Metric |
Imperial |
|
Tensile strength |
228 MPa |
33000 psi |
|
Yield strength |
124 MPa |
18000 psi |
|
Compressive yield strength |
110 MPa |
16000 psi |
|
Shear modulus (estimated from similar Mg alloys) |
17 GPa |
2470 ksi |
|
Elastic modulus |
45 GPa |
6530 ksi |
|
Poisson's ratio |
0.35 |
0.35 |
|
Elongation at break (in 50 mm) |
15% |
15% |
|
Hardness, Brinell (500 kg load, 10 mm ball) |
60 |
60 |
Thermal Properties
The following table outlines the thermal properties of magnesium AM50A-F alloy.
|
Properties |
Metric |
Imperial |
|
Thermal expansion co-efficient (@Temperature 20-100°C/68-212°F) |
26 µm/m°C |
14.4 µin/in°F |
|
Thermal conductivity |
65 W/mK |
451 BTU in/hr.ft².°F |
Other Designations
Other designations that are used to denote magnesium AM50A-F alloy are:
-
ASTM B 94
-
European EN 1753 MC21220(Ingot UNS M10501)
Applications
Magnesium AM50A-F alloy is typically used as a die casting alloy in as-cast (F) temper. Automotive wheels are mostly made of this alloy.