Engineering Materials
Pig iron is the name given to

Iron in molten form in the ladles
Iron containing huge quantities of carbon
Product of blast furnace made by reduction of iron ore
Raw material for blast furnace

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Engineering Materials
Malleable cast iron

Is produced by annealing process. It is soft, tough, and easily machined metal
Contains 1.7 to 3.5% carbon in Free State and is obtained by the slow cooling of molten cast iron
Is produced by small additions of magnesium (or cerium) in the ladle. Graphite is in the nodular or spheroidal form and is well dispersed throughout the material
Is also known as chilled cast iron and is obtained by cooling rapidly. It is almost unmachinable

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