PURPOSE: A powdered anticorrosive is provided, which forms a temporary anticorrosive layer on steel sheet without using an organic solvent or alkali fat-removed solution and is improved in the corrosion resistance. CONSTITUTION: The powdered anticorrosive comprises 40-50 wt% of dicyclohexylamine nitride as a volatile corrosion inhibitor; 30-40 wt% of imidazole; 5-10 wt% of hexamethylene tetramine; and 5-10 wt% of ethylene diamine tetracetic acid.
