Range of Composition for Typical Unalloyed Cast Irons

RangeofCompTypicalUnalloyChart.pdf

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

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