Jul 29 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations
Introduction
Magnesium AZ80A-T5 is a forged alloy, similar in features to AZ61A-F but is superior to it in strength. This datasheet will elaborate on the properties and applications of this alloy.
Chemical Composition
The following table provides details on the composition of magnesium AZ80A-T5 forged alloy.
Element |
Content (%) |
Magnesium, Mg |
91 |
Aluminum, Al |
7.8-9.2 |
Zinc, Zn |
0.2-0.8 |
Manganese, Mn |
≥0.12 |
Silicon, Si |
≤0.10 |
Copper, Cu |
≤0.050 |
Nickel, Ni |
≤0.0050 |
Iron, Fe |
≤0.0050 |
Physical Properties
The physical properties of magnesium AZ80A-T5 forged alloy are given in the following table.
Properties |
Metric |
Imperial |
Density |
1.80 g/cc |
0.0650 lb/in³ |
Melting Point(Incipient melting) |
≥427°C |
≥801°F |
Mechanical Properties
The mechanical properties of magnesium AZ80A-T5 forged alloy are listed in the table below.
Properties |
Metric |
Imperial |
Tensile Strength |
345MPa |
50000 psi |
Yield strength (@strain 0.200%) |
250 MPa |
36300 psi |
Compressive Yield Strength (@0.2% offset) |
195 MPa |
28300 psi |
Elongation at break (in 50 mm) |
11% |
11% |
Elastic Modulus (in tension) |
45 GPa |
6530 ksi |
Poisson's ratio |
0.35 |
0.35 |
Shear Modulus |
17 GPa |
2470 ksi |
Shear Strength |
100 MPa |
14500 psi |
Machinability (relative rating, 100=Best) |
100 |
100 |
Hardness, Brinell (500 kg load, 10 mm ball) |
72 |
72 |
Hardness, Knoop (estimated from Brinell) |
95 |
95 |
Hardness, Vickers (estimated from Brinell) |
82 |
82 |
Thermal Properties
The following table provides the thermal properties of magnesium AZ80A-T5 forged alloy.
Properties |
Metric |
Imperial |
Thermal expansion co-efficient (@ 0.000-100°C/32-212°F) |
26 µm/m°C |
14.4 µin/in°F |
Thermal Conductivity |
76 W/mK |
527 BTU in/hr.ft².°F |
Other Designations
Some of the other designations that are used to denote magnesium AZ80A-T5 forged alloy are:-