Fonderie Saguenay are a jobbing shop specializing in producing components in materials such as gray iron and ductile iron.
Comparison of Physical Properties if Cast Iron with Steel Castings
The following table has been compiled to assist with the selection of the ideal grade of cast iron for your castings. Data for cast steels is also provided for comparison purposes.
Property |
Gray Iron
|
Ductile Iron
|
Low Carbon Steel Casting
|
Low Alloy Steel casting
|
Density (lbs/in3) |
0.26
|
0.26
|
0.28
|
0.28
|
Poisson's ratio[ט] |
0.28
|
0.28
|
0.3
|
0.3
|
Modulus of elasticity (Tension) (Psi) [E] |
13000000
|
26000000
|
30000000
|
30000000
|
Modulus of rigidity (Shearing) (Psi) [G] |
5800000
|
9800000
|
11500000
|
11500000
|
Thermal conductivity (BTU/Hr/ft2/inch/°F) [k] (Cu=2700 |
325
|
250
|
350
|
225
|
Thermal expansion coefficient(/°F) [a] |
5.8 x 10-6
|
6.5 x 10-6
|
6.5 x 10-6
|
6.7 x 10-6
|
Damping capacity |
40 to 125
|
3 to 10
|
1 to 2
|
1 to 2
|
Electrical resistivity(µ Ohm . Cm) [ρ] (Cu =1.67) |
80 to 100
|
40 to 60
|
12
|
15
|
Magnetic properties (KiloGauss/Oersteds@100 Oersteds |
10
|
14
|
16
|
16
|
Pattern-making shrinkage (%) |
0.83
|
1.04
|
1.56
|
2.08
|
This information has been sourced, reviewed and adapted from materials provided by Fonderie Saguenay.
For more information on this source, please visit Fonderie Saguenay.