Jul 31 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations
Introduction
Magnesium alloys are light in weight, and have high strength and good vibration damping characteristics.
The following datasheet gives an overview of magnesium K1A-F alloy.
Chemical Composition
The following table shows the chemical composition of magnesium K1A-F alloy.
|
Element |
Content (%) |
|
Magnesium, Mg |
99 |
|
Zirconium, Zr |
0.40 - 1 |
Physical Properties
The physical properties of magnesium K1A-F alloy are given in the following table.
|
Properties |
Metric |
Imperial |
|
Density |
1.74 g/cm³ |
0.0629 lb/in³ |
Mechanical Properties
The mechanical properties of extruded magnesium K1A-F alloy are listed in the following table.
|
Properties |
Metric |
Imperial |
|
Tensile strength |
180 MPa |
26100 psi |
|
Yield strength (@ strain 0.200%) |
55 MPa |
7980 psi |
|
Compressive yield strength (at 0.2% offset) |
55 MPa |
7980 psi |
|
Ultimate bearing strength |
317 MPa |
46000 psi |
|
Bearing yield strength |
125 MPa |
18100 psi |
|
Shear strength |
55 MPa |
7980 psi |
|
Shear modulus (typical for steel) |
17 GPa |
2470 ksi |
|
Elastic modulus |
44.8 GPa |
6498 ksi |
|
Elongation at break (in 50 mm) |
19% |
19% |
|
Machinability (relative rating, 100=best) |
100 |
100 |
Thermal Properties
The following table outlines the thermal properties of magnesium K1A-F alloy.
|
Properties |
Metric |
Imperial |
|
Thermal expansion co-efficient (@ 0-100°C/32-212°F) |
27 µm/m°C |
15 µin/in°F |
|
Thermal conductivity |
122 W/mK |
847 BTU in/hr.ft².°F |
Other Designations
Other designation that is equivalent to magnesium K1A-F alloy includes ASTM B 80.