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    • 66. 发明公开
    • 내식성 및 표면품질이 우수한 전기주석도금강판의 제조방법
    • 通过使用含有氢氯酸和氢氟酸的冷却水冷却镀锡钢板来制造具有高分子表面质量的电镀钢板的方法
    • KR1020050006400A
    • 2005-01-17
    • KR1020030046109
    • 2003-07-08
    • 주식회사 포스코
    • 박청용박순복
    • C23C2/08
    • C25D5/505C25D3/30C25D5/36
    • PURPOSE: To provide a method for manufacturing a tin plated steel sheet which not only does not cause smudge defects and quench stain defects in the tin plating process, but also obtains superior lacquer adhesion and corrosion resistance in the container fabrication process by improving cooling water in the cooling process. CONSTITUTION: In a method for manufacturing an electric tin plated steel sheet comprising the steps of electrolytic degreasing and pickling a black plate, electro-tin plating the degreased and pickled black plate by Ferrostan process using phenol sulfonic acid as an electrolyte, melting Sn coated on the surface of strip in the reflow process, and cooling the molten Sn by cooling water in the cooling process, the method for manufacturing an electric tin plated steel sheet with superior corrosion resistance and surface quality is characterized in that 0.1 to 0.5 g/L of hydrochloric acid(HCl) and 3.5 to 6.5 g/L of hydrazine(N2H4) are added to the cooling water, and temperature of the cooling water is maintained to 80 to 90 deg.C.
    • 目的:提供一种镀锡钢板的制造方法,其不仅不会在镀锡工艺中引起污迹缺陷和淬火污渍缺陷,而且通过改善冷却水中的冷却水,在容器制造工艺中获得优异的漆附着力和耐腐蚀性 冷却过程。 构成:在电镀锡钢板的制造方法中,包括电解脱脂和酸洗黑板的步骤,使用苯酚磺酸作为电解液,通过Ferrostan工艺电镀锡脱脂和酸洗的黑色板,将Sn涂覆在 在回流处理中的带材表面,并且在冷却过程中通过冷却水冷却熔融的Sn,具有优异的耐腐蚀性和表面质量的电镀锡钢板的制造方法的特征在于,将0.1〜0.5g / L的 向冷却水中加入盐酸(HCl)和3.5〜6.5g / L的肼(N2H4),冷却水的温度保持在80〜90℃。