|
MATERIAL
|
|
Magnesium |
|
Magnesium |
|
Magnesium |
|
ALLOY
|
|
AZ91D |
|
AM50A |
|
AM60B |
|
MECHANICAL
|
|
|
|
|
|
|
|
|
|
|
Tensile
Strength - Ultimate
|
KSI
(M Pa) |
36 |
243 |
|
29 |
200 |
|
32 |
220 |
|
Tensile
Strength - Yield
|
KSI
(M Pa) |
23 |
160 |
|
16 |
110 |
|
19 |
130 |
|
Tensile
Modulus
|
MSI
(G Pa) |
6.5 |
45 |
|
6.5 |
45 |
|
6.5 |
45 |
|
Elongation
|
% |
6 |
6 |
|
10 |
10 |
|
4 |
4 |
|
Poissons
Ratio
|
|
0.35 |
0.35 |
|
0.35 |
0.35 |
|
0.35 |
0.35 |
|
Impact
Strength
|
ft-lb
( J ) |
3.5 |
4.8 |
|
7 |
9.5 |
|
4.5 |
6.1 |
|
Specific
Modulus
|
in |
9.94E+07 |
|
|
1.02E+08 |
|
|
1.00E+08 |
|
| |
|
PHYSICAL
|
|
|
|
|
|
|
|
|
|
|
Specific
Gravity
|
g/cc |
1.81 |
|
|
1.78 |
|
|
1.79 |
|
|
Density
|
lb/in3
|
0.065 |
|
|
0.064 |
|
|
0.065 |
|
|
Specific
Volume
|
in3/lb
|
15.29 |
|
|
15.63 |
|
|
15.38 |
|
|
Hardness
|
Rockwell
R |
75 |
|
|
74 |
|
|
74 |
|
| |
|
THERMAL
|
|
|
|
|
|
|
|
|
|
|
Thermal
Conductivity
|
Btu/ft-hr-F
(W/m-K) |
41.8 |
72 |
|
36 |
62 |
|
36 |
62 |
|
Specific
Heat
|
Btu/lb-F
(kJ/kg-K) |
0.25 |
1.05 |
|
0.25 |
1.05 |
|
0.25 |
1.05 |
|
Coeff.
Of Thermal Expansion
|
min/in-F
(mm/m-K) |
13.8 |
25 |
|
14.4 |
26 |
|
14.2 |
25.6 |
|
Deflection
Temperature @ 66 PSI
|
F
(C) |
>700 |
>370 |
|
>700 |
>370 |
|
>700 |
>370 |
|
Deflection
Temperature @ 264 PSI
|
F
(C) |
>700 |
>370 |
|
>700 |
>370 |
|
>700 |
>370 |
|
Deflection
Temperature @ 6000 PSI
|
F
(C) |
>356 |
>180 |
|
>356 |
>180 |
|
>356 |
>180 |
|
Melting
Temperature
|
F
(C) |
1105 |
595 |
|
1150 |
620 |
|
1140 |
615 |
| |
|
ELECTRICAL
|
|
|
|
|
|
|
|
|
|
|
Electrical
Conductivity
|
%
IACS |
12 |
|
|
14 |
|
|
17 |
|
|
Electrical
Resistivity
|
mOhm-in
|
43 |
|
|
36 |
|
|
31 |
|
|
Shielding
Effectiveness @ 0.020"
|
dB |
>85 |
|
|
>85 |
|
|
>85 |
|
|
Shielding
Effectiveness @ 0.050"
|
dB |
>88 |
|
|
>88 |
|
|
>88 |
|
|
Shielding
Effectiveness @ 0.100"
|
dB |
>90 |
|
|
>90 |
|
|
>90 |
|
| |
|
CORROSION
|
|
|
|
|
|
|
|
|
|
|
Mil
117B Salt Spray Corrosion
|
Mils
Per Year |
2.8 |
|
|
4.7 |
|
|
4 |
|
| |
|
FLAME
CHARACTERISTICS
|
|
|
|
|
|
|
|
|
|
|
Ignition
Temperature at STP
|
F
(C) |
900+ |
500+ |
|
900+ |
500+ |
|
900+ |
500+ |
|
UL94
Flame Exposure Results
|
|
DNB |
DNB |
|
DNB |
DNB |
|
DNB |
DNB |
|
|
|
*
DNB = Does not ignite / Does not burn |
