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    • 1. 发明公开
    • 가공성이 우수한 고강도 합금화 용융 아연 도금 강판 및 그제조 방법
    • 具有优异处理性和高强度的合金 - 镀锌钢板及其制造方法
    • KR1020050085910A
    • 2005-08-29
    • KR1020057012092
    • 2002-12-26
    • 신닛테츠스미킨 카부시키카이샤
    • 혼다가즈히코가메다마사하루사쿠마야스하루사이토아키오니시야마데쓰오이타미아쓰시
    • C21D9/46C22C38/00C23C2/06
    • An alloyed-molten-zinc-plated steel sheet which combines excellent processability with high strength. The alloyed-molten-zinc-plated steel sheet with excellent processability and high strength comprises: a high- strength steel sheet comprising, in terms of percent by weight, 0.05 to 0. 15% carbon, 0.3 to 2.0% silicon, 1.0 to 2.8% manganese, up to 0.03% phosphorus, up to 0.02% sulfur, 0.005 to 0.5% aluminum, up to 0.0060% nitrogen, and iron and unavoidable impurities as the remainder and satisfying the relationships (%Mn)/(%C)>= 12 and (%Si)/(%C)>= 4, wherein %C, %Si, and %M are the contents of carbon, silicon, and manganese, respectively; and a deposit layer formed thereon by dipping in a melt of an alloyed zinc comprising 0.05 to 0.5 wt.% aluminum, 5 to 15 wt.% iron, and zinc and unavoidable impurities as the remainder. It is characterized in that the tensile strength F (MPa) and the elongation L (%) satisfy the relationship L>= 52-0.035xF.
    • 一种合金化的镀锌钢板,具有优异的加工性能和高强度。 具有优异的加工性和高强度的合金化熔融镀锌钢板包括:以重量百分比计的0.05至0.15%的碳,0.3至2.0%的硅,1.0至2.8的高强度钢板 %锰,高达0.03%的磷,至多0.02%的硫,0.005至0.5%的铝,至多0.0060%的氮,以及铁和不可避免的杂质作为余量并满足关系(%Mn)/(%C)> = 12和(%Si)/(%C)> = 4,其中%C,%Si和%M分别是碳,硅和锰的含量; 以及通过浸渍在包含0.05至0.5重量%的铝,5至15重量%的铁以及其余的锌和不可避免的杂质的合金化锌的熔体中形成的沉积层。 其特征在于拉伸强度F(MPa)和伸长率L(%)满足L> = 52-0.035×F的关系。