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Ductile Iron

Last updated: April 19, 2019

What Does Ductile Iron Mean?

Ductile iron refers to a type of carbon-iron alloy that is easily molten and cast into any desired shape due to its 2% carbon content. Ductile iron has a higher tendency to develop iron corrosion on its surface but has greater elongation ductility.

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Corrosionpedia Explains Ductile Iron

Ductile iron has the following key properties compared to other forms of iron:

  • Greater yield strength at about 60,000 – 120,000 psi capability
  • Greater force resistance
  • Reduced material flaking
  • Better intergranular boundary forces, therefore less cracking
  • Excellent wear resistance due to an elevated graphite concentration
  • Greater ability to dissipate heat
  • Easily machined
  • Combatant against sound vibrations
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