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    Process and device for producing a steel strip with the properties of a cold-rolled product
    2.
    发明授权
    Process and device for producing a steel strip with the properties of a cold-rolled product 失效
    用于生产具有冷轧产品性能的钢带的方法和装置

    公开(公告)号：US5832985A

    公开(公告)日：1998-11-10

    申请号：US817784

    申请日：1997-04-21

    申请人： Fritz-Peter Pleschiutschnigg ,  Ingo von Hagen ,  Wolfgang Bleck ,  Paul Splinter

    发明人： Fritz-Peter Pleschiutschnigg ,  Ingo von Hagen ,  Wolfgang Bleck ,  Paul Splinter

    IPC分类号： B21B1/26 ,  B21B1/34 ,  B21B1/46 ,  B21B45/00 ,  B21B45/02 ,  B22D11/128 ,  C21D8/02 ,  B22D11/12 ,  B21B1/04

    CPC分类号： B21B1/463 ,  C21D8/0215 ,  C21D8/0226 ,  B21B1/26 ,  B21B1/34 ,  B21B1/466 ,  B21B2201/04 ,  B21B2201/12 ,  B21B2201/14 ,  B21B45/004 ,  B21B45/0218 ,  Y10T29/49991

    摘要： A process for producing a steel strip with properties of a cold-rolled product. The process including comprising the sequential steps of: a) producing a thin slab 30 to 100 mm thick from a steel melt by continuous casting in a continuous casting machine, and, after a cast strip emerges from a mold of the continuous casting machine, cast rolling the cast strip with a liquid core to reduce thickness of the cast strip by at least 10%; b) descaling the thin slab produced according to step a); c) hot rolling the descaled thin slab at temperatures in a range of 1150.degree. to 900.degree. C. for reducing thickness by at least 50% to produce an intermediate strip with a maximum thickness of 20 mm; d) after hot rolling, accelerated cooling of the intermediate strip to a temperature in a range of 850.degree. to 600.degree. C.; e) rolling down the cooled intermediate strip by isothermic rolling at 850.degree. to 600.degree. C. on a finishing train with at least three stands into strips with a maximum thickness of 2 mm, whereby the strip thickness is reduced by at least 25% per roll pass; and f) subsequently cooling the isothermic rolled steel strip in accelerated fashion to a temperature no greater than 100.degree. C.

    摘要翻译： PCT No.PCT / DE95 / 01347 Sec。 371日期1997年04月21日 102（e）1997年4月21日PCT PCT 1995年9月21日PCT公布。 公开号WO96 / 12573 日期：1996年5月2日生产具有冷轧产品性能的钢带的方法。 该方法包括以下顺序步骤：a）通过在连续铸造机中连续铸造从钢熔体制造30至100mm厚的薄板坯，并且在铸造带材从连铸机的模具上铸造之后，铸造 用液芯滚压铸造带材，将铸钢带的厚度减少至少10％; b）除去根据步骤a）生产的薄板; c）在1150℃至900℃的温度范围内热轧所述除去的薄板坯，以便将厚度减小至少50％以产生最大厚度为20mm的中间带材; d）热轧后，中间带的加速冷却至850℃〜600℃的温度。 e）通过在具有至少三个支架的精轧机上在850℃至600℃下进行等温轧制来冷却冷却的中间带，最大厚度为2mm，由此带材厚度减少至少25％ 滚过 和f）随后将等温轧制钢带以加速的方式冷却至不高于100℃的温度。