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    Galvanized rolling-hardened cold-rolled flat product and process for producing it
    3.
    发明申请
    Galvanized rolling-hardened cold-rolled flat product and process for producing it 审中-公开
    镀锌轧制硬化冷轧扁平制品及其制造方法

    公开(公告)号：US20100159276A1

    公开(公告)日：2010-06-24

    申请号：US12160532

    申请日：2007-01-03

    申请人： Peter Biele ,  Ralph Goecke ,  Peter Klauke ,  Markus Lohe

    发明人： Peter Biele ,  Ralph Goecke ,  Peter Klauke ,  Markus Lohe

    IPC分类号： B32B15/01 ,  C25D5/36

    CPC分类号： C21D7/02 ,  C21D8/0236 ,  C21D8/04 ,  C21D8/0436 ,  C21D9/48 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/22 ,  C22C38/24 ,  C22C38/26 ,  C22C38/28 ,  C22C38/32 ,  C23C28/025 ,  C25D5/34 ,  C25D5/36 ,  C25D7/0614 ,  Y10T428/12799

    摘要： A flat product according to the invention which has been produced from a low-alloy steel containing iron and unavoidable impurities together with (in % by weight) up to 0.45% of C, up to 2.20% of Si, up to 2.50% of Mn, up to 0.12% of P, up to 0.025% of S, up to 2.0% of Al, up to 0.15% of Ti, up to 0.09% of Nb, a total of up to 1.0% of Cr and Mo, up to 0.2% of V and up to 0.005% of B and has been cold-rolled to a thickness of 0.1-4 mm and is in the rolling-hardened state has a tensile strength of 700-1000 MPa and is coated with a zinc layer which has been applied by electrolytic galvanization and has a layer thickness of up to 12 μm. The cold-rolled flat product of this type provides a steel sheet or strip which has not only a particularly high strength but also a high corrosion resistance. In addition, the invention provides a process for producing such a flat product.

    摘要翻译： 根据本发明的扁平产品，其由含有铁和不可避免的杂质的低合金钢（以重量％计）高达0.45％C，高达2.20％的Si，高达2.50％的Mn ，高达0.12％的P，高达0.025％的S，高达2.0％的Al，至多0.15％的Ti，至多0.09％的Nb，总共高达1.0％的Cr和Mo，直到 V的0.2％，B的最高为0.005％，冷轧至厚度为0.1〜4mm，在轧制硬化状态下的拉伸强度为700〜1000MPa，并且涂有锌层 已经通过电解镀锌应用，并且具有高达12μm的层厚度。 这种冷轧扁平产品提供了不仅具有特别高的强度而且具有高耐腐蚀性的钢板或带材。 此外，本发明提供了一种生产这种扁平产品的方法。