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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
     
    © 2008 International Magnesium Association. All Rights Reserved.