Typical Physical Properties for Magnesium Based Alloys |
| |
Property |
Unit |
Temp |
AZ91 |
AM60 |
AM50 |
AM20 |
AS41 |
AS21 |
AE42 |
AE44 * |
Density |
g/cm3 |
20 |
1.81 |
1.80 |
1.77 |
1.75 |
1.77 |
1.76 |
1.79 |
(1.82) |
Liquidus Temp |
°C |
|
598 |
615 |
620 |
638 |
617 |
632 |
625 |
620 |
Incipient Melt Temp |
°C |
|
420-435 |
420-435 |
420-435 |
420-435 |
(420-435) |
(420-435) |
(590) |
572 |
Lin Therm Exp C |
µm/(m·K) |
20-100 |
26.0 |
26.0 |
26.0 |
26.0 |
26.1 |
26.1 |
26.1 |
26.1 |
Sp Heat Fusion |
kJ/kg |
|
370 |
370 |
370 |
370 |
370 |
370 |
370 |
370 |
Specific Heat |
kJ/kg K |
|
1.02 |
1.02 |
1.02 |
1.02 |
1.02 |
1.02 |
1.02 |
1.02 |
Thermal Conduct |
W/K m |
20 |
51 |
61 |
65 |
94 |
68 |
84 |
84 |
nm |
Electrical Cond |
MS/m |
20 |
6.6 |
nm |
9.1 |
13.1 |
nm |
10.8 |
11.7 |
nm |
|
| |
| nm: not measured |
| Expected values (not proved) in brackets |
| |
| The physical property values may depend on alloy fabrication and alloy composition. |
| |
| |
| * Data supplied by Hydro Magnesium |
