Method of descaling stainless steel and apparatus for same.

摘要

A method of descaling stainless steel of the present invention, comprises the step (a) of anode-electrolyzing stainless steel having scales produced thereon in an aqueous neutral salt solution, the step (b) of anode-electrolyzing or immersing the stainless steel in an aqueous alkaline solution, these steps (a) and (b) being performed in the order of either (a), (b) or (b), (a); and the step of cathode-electrolyzing the stainless steel treated in the two steps in an aqueous nitric acid solution or immersing it in an aqueous solution of a mixture containing nitric acid and fluoric acid. The descaled stainless steel obtained by this method exhibits excellent glossiness and smoothness.