Question #82954

Presence of SO2 in furnace gases attacks the ferrous metal by way of_________________?

A) Accelerating the rate of scaling

B) Causing metal embrittlement

C) Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at

D) high temperature

E) All A., B. and C.

Answer: Presence of SO2 in furnace gases attacks the ferrous metal by way of All A., B. and C..

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