Q.

one of the following step is used to control intergranular corrosion in stainless steel

A. use of metal coating, like electroplatin g
B. use of stabilized grade of stinless steel i.e. (321, 322 grade)
C. use of special type of inhibitor
D. all of the above
Answer» B. use of stabilized grade of stinless steel i.e. (321, 322 grade)
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