ENVIRONMENTALLY-FRIENDLY STEEL SHEET FOR A CAN OR A CONTAINER AND PRODUCTION METHOD THEREOF AS WELL AS LAMINATED AND PRE-COATED STEEL SHEET BY USING IT

摘要

Laminated steel sheet for a container material with a small environmental load container material and coating pre-coated steel sheet for a container material characterized by comprising steel sheet having on it a tin layer or iron-tin alloy layer which has on it a tin oxide layer of a thickness measured by an electric stripping method of 0 mC/cm2 to 3.5 mC/cm2 and has further formed on that a foundation layer including a zirconium compound not including fluorine or nitrate nitrogen, having an amount of coating converted to zirconium of 1 mg/m2 to 30 mg/m2, and having an amount of sulfuric acid radicals (SO42−) of 0 mg/m2 to 7 mg/m2.