Aug 5 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Fabrication
Introduction
Magnesium ZK60A is a wrought magnesium base alloy containing zirconium and zinc.
Magnesium ZK60A-T6 alloy has good forgeability, medium strength, and good damping capacity.
The following datasheet gives an overview of magnesium ZK60A-T6 alloy.
Chemical Composition
The following table shows the chemical composition of magnesium ZK60A-T6 alloy.
|
Element |
Content (%) |
|
Magnesium, Mg |
94 |
|
Zinc. Zn |
4.8 - 6.2 |
|
Zirconium, Zr |
≥ 0.45 |
Physical Properties
The physical properties of magnesium ZK60A-T6alloy are given in the following table.
|
Properties |
Metric |
Imperial |
|
Density |
1.83 g/cm³ |
0.0661 lb/in³ |
Mechanical Properties
The mechanical properties of magnesium ZK60A-T6 forgings alloy are outlined in the following table.
|
Properties |
Metric |
Imperial |
|
Tensile strength |
325 MPa |
47100 psi |
|
Yield strength (@strain 0.200 %) |
270 MPa |
39200 psi |
|
Elongation at break |
11% |
11% |
|
Poisson's ratio |
0.35 |
0.35 |
|
Elastic modulus |
45 GPa |
6530 ksi |
|
Shear modulus |
17 GPa |
2470 ksi |
|
Hardness, Brinell |
75 |
75 |
|
Hardness, Knoop |
98 |
98 |
|
Hardness, Vickers |
85 |
85 |
|
Machinability |
100 |
100 |
Thermal Properties
The thermal properties of magnesium ZK60A-T6 alloy are highlighted in the following table.
|
Properties |
Metric |
Imperial |
|
Thermal expansion co-efficient (@0.000-100°C/32-212°F) |
27 µm/m°C |
15 µin/in°F |
|
Thermal conductivity |
120 W/mK |
833 BTU in/hr.ft².°F |
Fabrication
Magnesium ZK60A-T6 alloy is solution treated and then artificially aged.