Aug 2 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Introduction
Magnesium HM31A-T5 alloy exhibits improved short and long-time creep properties and good ductility even at elevated temperatures.
The following datasheet gives an overview of magnesium HM31A-T5 alloy.
Chemical Composition
The following table shows the chemical composition of magnesium HM31A-T5 alloy.
|
Element |
Content (%) |
|
Magnesium, Mg |
96 |
|
Thorium, Th |
2.5-3.5 |
|
Manganese, Mn |
≥1.2 |
Physical Properties
The physical properties of magnesium HM31A-T5 alloy are given in the following table.
|
Properties |
Metric |
Imperial |
|
Density |
1.80 g/cm³ |
0.0650 lb/in³ |
Mechanical Properties
The mechanical properties of extruded magnesium HM31A-T5 alloy are listed in the following table.
|
Properties |
Metric |
Imperial |
|
Tensile strength |
290 MPa |
42100 psi |
|
Yield strength |
230 MPa |
33400 psi |
|
Compressive yield strength (at 0.2% offset) |
185 MPa |
26800 psi |
|
Ultimate bearing strength |
480 MPa |
69600 psi |
|
Bearing yield strength |
345 MPa |
50000 psi |
|
Shear strength |
150 MPa |
21800 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) |
10% |
10% |
Thermal Properties
The following table outlines the thermal properties of magnesium HM31A-T5 alloy.
|
Properties |
Metric |
Imperial |
|
Thermal expansion co-efficient (@ 0-100°C/32-212°F) |
26 µm/m°C |
14.4 µin/in°F |
|
Thermal conductivity |
104 W/mK |
722 BTU in/hr.ft².°F |