Effect of chemical composition on the hardenability of high-strength cast iron
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Maximum hardenability of cast iron with spheroidal graphite (CSG) is provided on adding about 1% Ni to it.
Complex alloying of CSG with 0.7–1.0% Mn, 0.5–1.0% Cu, 0.5% Ni provides CSG of the same high hardenability as with adding 0.4% Mn and 1.0–1.5% Ni, although with a content of 1% Mn cast iron ductility is reduced and its hardness increases.
KeywordsIron Graphite Ductility Cast Iron High Hardenability
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