<p>Disclosed is an etchant for nickel-chromium alloys which is capable of sufficiently remove a nickel-chromium alloy layer and does not deteriorate in etching ability even when the copper concentration in the etchant is increased during etching. The etchant for nickel-chromium alloys is characterized by containing the following components (a)-(c). (a) sulfuric acid or a sulfonic acid compound (b) hydrochloric acid or a chlorine compound (c) a nitrite</p>
