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Why is casting done with cast iron instead of copper?
casting is usually done with the melting of pig iron comparing the yield strength and tensile strength with copper which is far better than copper.it is used used for casting(cast iron)copper tensile strenth-32 ksigrey cast iron tensile strength-50ksihardnesscopper-42(brinell scale)grey cast iron-260uses-engine cylinders,gear wheels,machine tool bases,gear surfaces,high strength application,resistant to heat and corrosionthe strength is required for making these material therefore cast iron is used(alloy of iron carbon and silicon)thanks and regardssunil kraskIITian faculty
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