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1. 发明授权

US4501802A Hydrated chromium oxide-coated steel strip useful for welded cans and other containers 失效
标题翻译：用于焊接罐和其他容器的水合氧化铬涂层钢带
公开(公告)号：US4501802A
公开(公告)日：1985-02-26
申请号：US527380
申请日：1983-08-29
申请人： Seizun Higuchi , Tomonari Ooga , Yukio Tsukamoto , Minoru Kamada , Yukio Nomura
发明人： Seizun Higuchi , Tomonari Ooga , Yukio Tsukamoto , Minoru Kamada , Yukio Nomura
IPC分类号： C25D5/12 , C25D11/38 , C25D5/36
CPC分类号： C25D5/12 , C25D11/38 , Y10S220/917 , Y10T428/1259 , Y10T428/12611 , Y10T428/12618 , Y10T428/12708 , Y10T428/12722 , Y10T428/12847 , Y10T428/12854 , Y10T428/12937 , Y10T428/12944
摘要： A hydrated chromium oxide-coated steel strip which has a satisfactory weldability and resistance to corrosion under a lacquer coating and which is useful for producing welded cans and other containers, comprises a steel strip substrate, plated nickel base layers formed on the surfaces of the steel strip substrate and having a weight of 150-2500 mg per m.sup.2 of each surface of the substrate, hydrated chromium oxide-containing coating layers formed on the surfaces of the plated nickel base layers and having a weight of 2-20 mg, in terms of metallic chromium, per m.sup.2 of each surface of the substrate, and, optionally, plated tin intermediate layers formed between the plated nickel base layers and the chromate-containing coating layers and having a weight of 100-2000 mg per m.sup.2 of each surface of the substrate, the hydrated chromium oxide-containing coating layer optionally being composed of a metallic chromium underlayer in a weight of 10 mg or less per m.sup.2 of each surface of the steel strip substrate and a hydrated chromium oxide upper layer, the sum of the weights of the underlayer and the upper layer being 2-20 mg, in terms of metallic chromium, per m.sup.2 of each surface of the steel strip substrate.
摘要翻译：一种水合氧化铬涂层钢带，其具有令人满意的焊接性和在漆涂层下的耐腐蚀性，并且可用于生产焊接罐和其它容器，包括钢带基材，形成在钢表面上的镀镍基底层带状基材，并且每个基质的每个表面的每平方米重量为150-2500mg，在镀镍基底层的表面上形成的含水合氧化铬的涂层，其重量为2-20mg，以金属铬，每平方米基材的每个表面，以及可选地，在镀镍的镍基层和含铬酸盐的涂层之间形成的电镀锡中间层，其重量为100-2000mg / m2的每个表面的底物，含水铬酸氧化物的涂层任选地由金属铬底层组成，每平方米钢带子表面的重量为10毫克或更小石英和水合氧化铬上层，底层和上层的重量之和为钢板基材每面每m2的2-20mg（以金属铬计）。

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