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SURFACE TREATED STAINLESS STEEL SHEET FOR AUTOMOBILE FUEL TANK EXCELLENT IN CORROSION RESISTANCE UNDER SALT CORROSIVE ENVIRONMENT
SURFACE TREATED STAINLESS STEEL SHEET FOR AUTOMOBILE FUEL TANK EXCELLENT IN CORROSION RESISTANCE UNDER SALT CORROSIVE ENVIRONMENT
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机译：耐盐腐蚀环境下用于耐腐蚀的汽车燃油箱的表面处理不锈钢板
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摘要
The present invention provides a surface treatedstainless steel sheet for an automobile fuel tankexcellent in corrosion resistance under a salt corrosiveenvironment, that is, a surface treated stainless steelsheet for an automobile fuel tank excellent in corrosionresistance under a salt corrosive environmentcharacterized by comprising a ferritic stainless steelsheet base material containing, by mass%, Cr: 10.0 to25.0%, having an average r value of 1.4 or more, andhaving a total elongation of 30% or more or an austeniticstainless steel sheet base material containing Cr: 10.0to 25.0%, having a total elongation of 45% or more, andhaving a work hardening rate of 400 N/mm 2 on the surfaceof which is formed a plating layer containing 5 to 13% ofSi and having a balance of unavoidable impurities and Alby a weight of 5 g/m2 to 80 g/m2, between the platinglayer and base iron is formed an alloy layer having athickness of less than 5.0 µm, and on the plating layerof which is provided a lubricating film comprised of asoluble resin and, by mass%, 1 to 30% of a lubricationfunction imparting agent with respect to the solubleresin and having a friction coefficient of 0.15 or less.
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机译：本发明提供了一种表面处理的汽车油箱用不锈钢板在盐腐蚀下具有优异的耐腐蚀性环境，即表面处理过的不锈钢耐腐蚀性能优异的汽车油箱用板材在盐腐蚀环境下的耐性其特征在于包括铁素体不锈钢片状基材，以质量％计含有Cr：10.0〜25.0％，平均r值为1.4或更高，并且总伸长率为30％或奥氏体含Cr的不锈钢薄板基材：10.0至25.0％，总伸长率为45％或更高;以及表面的加工硬化率为400 N / mm 2其中形成的镀层含有5至13％的Si，具有不可避免的杂质和Al的平衡镀层之间的重量为5 g / m2至80 g / m2层和基础铁形成合金层厚度小于5.0 µm，且在镀层上其中提供了一种润滑膜，包括可溶性树脂，按质量百分比计为润滑的1％至30％关于可溶性的功能赋予剂树脂，摩擦系数为0.15以下。
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