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Chemical Composition of Cast Iron
Range of Chemical Composition for Typical Unalloyed Cast Irons
(Values in Percent (%)
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| Type of Iron |
Carbon |
Silicon |
Manganese |
Sulfur |
Phosphorus |
| Gray Iron |
2.5 - 4.0 |
1.0 - 3.0 |
0.2 - 1.0 |
0.02 - 0.25 |
0.02 - 1.0 |
| Ductile Iron |
3.0 - 4.0 |
1.8 - 2.8 |
0.1 - 1.0 |
0.01 - 0.03 |
0.01 - 0.1 |
| Compacted Graphite Iron |
2.5 - 4.0 |
1.0 - 3.0 |
0.2 - 1.0 |
0.01 - 0.03 |
0.01 - 0.1 |
| Malleable Iron
(Cast White) |
2.0 - 2.9 |
0.9 - 1.9 |
0.15 - 1.2 |
0.02 - 0.2 |
0.02 - 0.2 |
| White Iron |
1.8 - 3.6 |
0.5 - 1.9 |
0.25 - 0.8 |
0.06 - 0.2 |
0.06 - 0.2 |
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