Engineering Materials
White cast iron

Is produced by small additions of magnesium (or creium) in the ladle. Graphite is in 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
Contains 1.7 to 3.5% carbon in Free State and is obtained by the slow cooling of molten cast iron
Is produced by annealing process. It is soft, tough and easily machined metal

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Engineering Materials
Specify the sequence correctly

Grain growth, stress relief, recrystallization
Grain growth, recrystallization, stress relief
Stress relief, recrystallization, grain growth
Stress relief, grain growth, recrystallization

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