微量すず被覆を施したクロムめっき鋼板の特性

概要

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Tin flash-coated chromium plated steel sheet for a welded can has been developed using a low concentrated stannous sulfate solution. The performance of this sheet was discussed from the point of the coating weight and structure. The results are as follows : 1) An uniform and well-adhered tin layer can be deposited on the chromium layer by a low concentrated stannous sulfate solution. 2) The chromium layer inhibits the iron-tin alloy reaction during the lacquer curing and leaves much tin unalloyed. The residual metallic tin coating above 0.1g/m^2 in weight can considerably reduce the electric contact resistance. 3) This steel sheet shows good weldability, high corrosion resistance, good lacquer adhesion and high abrasion resistance due to the combination of metallic tin layer with a chromium plated steel sheet.
社団法人日本鉄鋼協会の論文
1990-02-01