Aug 2 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations
Applications
Introduction
Magnesium gets ignited in both nitrogen and carbon dioxide environment and it is most commonly alloyed with non-ferrous alloys.
This datasheet will elaborate on the properties and applications of magnesium AM100A-T5 alloy. This alloy exhibits good weldbility and good yield strength.
Chemical Composition
The following table shows the chemical composition of magnesium AM100A-T5 alloy.
|
Element |
Content (%) |
|
Magnesium, Mg |
90 |
|
Aluminum, Al |
9.3-10.7 |
|
Silicon, Si |
≤0.30 |
|
Zinc, Zn |
≤0.30 |
|
Manganese, Mn |
≤0.10 |
|
Copper, Cu |
≤0.10 |
|
Nickel, Ni |
0.010 |
Physical Properties
The physical properties of magnesium AM100A-T5 alloy are listed in the following table.
|
Properties |
Metric |
Imperial |
|
Density |
1.83 g/cc |
0.0661 lb/in³ |
|
Melting Point(Incipient Melting) |
≥430°C |
≥806°F |
Mechanical Properties
The mechanical properties of magnesium AM100A-T5 cast alloy are provided in the table below.
|
Properties |
Metric |
Imperial |
|
Tensile strength |
150 MPa |
21800 psi |
|
Yield strength (@ strain 0.200%) |
110 MPa |
16000 psi |
|
Shear modulus |
17 GPa |
2470 ksi |
|
Elastic modulus |
45 GPa |
6530 ksi |
|
Poisson's ratio |
0.35 |
0.35 |
|
Elongation at break (in 50 mm) |
2% |
2% |
|
Hardness, Brinell (500 kg load, 10 mm ball) |
67 |
67 |
|
Hardness, Knoop (estimated from Brinell) |
90 |
90 |
|
Hardness, Vickers (estimated from Brinell) |
77 |
77 |
|
Machinability (relative rating, 100=best) |
100% |
100% |
Thermal Properties
The table given below lists the thermal properties of magnesium AM100A-T5 alloy.
|
Properties |
Metric |
Imperial |
|
Thermal expansion co-efficient (@ 0.000-100°C/32-212°F) |
25 µm/m°C |
13.9 µin/in°F |
|
Thermal conductivity |
73 W/mK |
507 BTU in/hr.ft².°F |
Other Designations
Other designations that are used to denote magnesium AM100A-T5 alloy are:
-
ASTM B 80
-
ASTM B 403 (Ingot UNS M10101)
-
ASTM B 199
-
AMS 4455 T6 temper
Applications
Magnesium AM100A-T5 alloy is typically used in making commercial and military pressure tight sand and permanent mold structural castings. It is also used in making investment casts.