Aug 9 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Introduction
Magnesium ZM21-H24 alloy is a medium strength alloy with good forgeability. The following datasheet gives an overview of magnesium ZM21-H24 alloy.
Chemical Composition
The following table shows the chemical composition of magnesium ZM21-H24 alloy.
Element |
Content (%) |
Magnesium, Mg |
97.5 |
Zinc, Zn |
2 |
Manganese, Mn |
≥0.50 |
Physical Properties
The physical properties of magnesium ZM21-H24 alloy are given in the following table.
Properties |
Metric |
Imperial |
Density |
1.79 g/cm³ |
0.0647 lb/in³ |
Mechanical Properties
The mechanical properties of magnesium ZM21-H24 alloy are listed in the following table.
Properties |
Metric |
Imperial |
Tensile strength |
248 MPa |
36000 psi |
Yield strength |
165 MPa |
24000 psi |
Shear modulus |
17 GPa |
2470 ksi |
Elastic modulus |
45 GPa |
6530 ksi |
Poisson's ratio |
0.35 |
0.35 |
Thermal Properties
The following table outlines the thermal properties of magnesium ZM21-H24 alloy.
Properties |
Metric |
Imperial |
Thermal expansion co-efficient (@ 0-100°C/32-212°F) |
26 µm/m°C |
14.4 µin/in°F |