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    • 6. 发明申请
    • Coated Steel Sheet or Strip
    • 涂层钢板或钢带
    • US20080142125A1
    • 2008-06-19
    • US11816799
    • 2006-02-15
    • Manfred MeurerSabine ZeizingerRudolf SchoenenbergWilhelm Warnecke
    • Manfred MeurerSabine ZeizingerRudolf SchoenenbergWilhelm Warnecke
    • C23C2/06
    • C23C2/06
    • The invention relates to a coated steel sheet or strip with a ground coating made of steel, onto at least one upper side of which a coating is applied by hot-dip galvanizing, the coating being formed from a melt consisting of 0.05-0.30% by weight Al and 0.2-2.0% by weight Mg, the remainder being zinc and unavoidable impurities, and, with a coating thickness of a maximum of 3.5 μm on each side and a coating weight of a maximum 25 g/m2 on each side, guarantees that the steel sheet, in the salt spray mist test carried out in accordance with DIN 50021-SS, shows the first formation of red rust at the earliest after 250 hours. With such a sheet or strip, a flat steel product is provided which possesses an optimum combination of high corrosion resistance and optimum weldability and which is particularly well-suited for use as a material for motor vehicle chassis construction or for the construction of domestic appliances.
    • 本发明涉及具有由钢制成的地面涂层的涂覆钢板或带材,其至少一个上侧通过热浸镀锌施加涂层,该涂层由熔体组成,熔体由0.05-0.30% 重量Al和0.2-2.0%重量的Mg,其余为锌和不可避免的杂质,并且每侧涂层厚度最大为3.5μm,涂层重量最大为25g / m 2, / SUP>,确保钢板在按照DIN 50021-SS进行的盐雾试验中,250小时后首次形成红锈。 对于这样的片材或带材,可以提供具有高耐腐蚀性和最佳可焊性的最佳组合的扁钢制品,特别适合用作机动车底盘结构材料或家用电器的构造。