Galvanizing Engineer Question:
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Tell me why heat treatment of steel is necessary?
Answer:
☛ To improve machinability.
☛ To obtain desired properties.
☛ To increase resistance of corrosion.
☛ To change electrical and magnetic properties.
☛ To relieve the stresses after cold or hot working.
☛ To refine the grain size.
☛ To obtain desired properties.
☛ To increase resistance of corrosion.
☛ To change electrical and magnetic properties.
☛ To relieve the stresses after cold or hot working.
☛ To refine the grain size.
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