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    • 1. 发明授权
    • Method for producing a hot-rolled strip
    • 热轧带材的制造方法
    • US06855218B1
    • 2005-02-15
    • US09936381
    • 2000-02-24
    • Rudolf KawallaHans PircherThomas HellerBernhard EnglPino Tesè
    • Rudolf KawallaHans PircherThomas HellerBernhard EnglPino Tesè
    • B21B3/00B21B1/46B21B37/76C21D1/19C21D8/02C21D9/46C21D9/573C22C38/00C22C38/58C21D7/13
    • C21D8/0226B21B1/46B21B37/76C21D1/19C21D8/0263C21D9/573
    • The invention relates to a method for producing hot strip which features good forming ability and increased strength. This is achieved in that a hot strip (W) which is produced in particular from continuous casting in the shape of reheated slabs or slabs obtained directly from the casting heat, from thin slabs or cast strip, based on a steel comprising (in mass %) C: 0.001-1.05%; Si: ≦1.5%; Mn: 0.05-3.5%; Al: ≦2.5%, if necessary further elements such as Cu, Ni, Mo, N, Ti, Nb, V, Zn, B, P, Cr, Ca and/or S, with the remainder being iron as well as the usual accompanying elements, is continuously finish rolled and subsequently continuously cooled, with cooling taking place in at least two subsequent cooling phases (tCK, tLK) of accelerated cooling, to a final temperature; with the first cooling phase (tCK) of accelerated cooling starting at the latest three seconds after the last pass of finish rolling; and with the hot strip (W) during the first cooling phase (tCK) of accelerated cooling being cooled at a cooling rate of at least 150° C./s.
    • 本发明涉及一种具有良好成形能力和强度的热轧带钢的生产方法。 这是通过以下方式实现的:特别是从铸造热量直接获得的再加热板坯或板坯的连续铸造,从薄板坯或铸钢带生产的热轧钢带(W),其基于钢(以质量%计) )C:0.001-1.05%; Si:<= 1.5%; Mn:0.05-3.5%; Al:<= 2.5%,如有必要,可以使用其他元素如Cu,Ni,Mo,N,Ti,Nb,V,Zn,B,P,Cr,Ca和/或S,其余为铁, 通常的伴随元件,连续精轧并随后连续冷却,冷却在至少两个随后的加速冷却阶段(tCK,tLK)中进行至最终温度; 在最后一次精轧后的最后三秒钟,第一个冷却阶段(tCK)加速冷却; 并且在加速冷却的第一冷却阶段(tCK)期间的热带(W)以至少150℃/ s的冷却速率被冷却。
    • 3. 发明申请
    • Method for producing a steel product
    • 钢制品的制造方法
    • US20060179638A1
    • 2006-08-17
    • US10539099
    • 2003-09-18
    • Bernhard EnglThomas HellerHarald HofmannManfred Menne
    • Bernhard EnglThomas HellerHarald HofmannManfred Menne
    • B21B1/46
    • C22C38/06C21D8/0205C21D8/0236C22C38/004C22C38/02C22C38/04Y02P10/212Y10T29/49991
    • The invention provides a method which allows reliable production of steel products from a light steel. The steel products according to the invention exhibit isotropic deformation behaviour and are ductile at low temperature with high yield strengths. This is achieved according to the invention by a method for producing a steel product, in particular a steel sheet or steel strip, wherein a steel strip or sheet is produced from steel which contains (in % by weight): C: 1.00%, Mn: 7.00 to 30.00%, Al: 1.00 to 10.00%, Si: 2.50 to 8.00%, Al +Si: 3.50 to 12.00%, B: 0.01%, Ni: 8.00%, Cu: 3.00%, N: 0.60%, Nb: 0.30%, Ti: 0.30%, V: 0.30%, P: 0.01% and iron and unavoidable impurities as the remainder, from which strip or sheet the fmished steel product is subsequently produced by cold forming that takes place at a degree of cold forming of 2 to 25%.
    • 本发明提供一种允许从轻钢可靠地生产钢产品的方法。 根据本发明的钢产品具有各向同性变形特性,并且在低温下具有延展性,具有高屈服强度。 根据本发明,通过钢材特别是钢板或钢带的制造方法来实现,其中钢带或钢板由含有(以重量%计)的钢制成:C:1.00%,Mn :7.00〜30.00%,Al:1.00〜10.00%,Si:2.50〜8.00%,Al + Si:3.50〜12.00%,B:0.01%,Ni:8.00%,Cu:3.00%,N:0.60% :0.30%,Ti:0.30%,V:0.30%,P:0.01%,剩余部分中的铁和不可避免的杂质,随后通过冷成型制成的带状或片材以冷冻程度发生 形成2〜25%。
    • 4. 发明授权
    • Method for producing a hot strip
    • 热轧带钢生产方法
    • US06835253B1
    • 2004-12-28
    • US10111119
    • 2002-07-22
    • Rudlof KawallaBernhard EnglThomas HellerWolfgang RasimEberhard Sowka
    • Rudlof KawallaBernhard EnglThomas HellerWolfgang RasimEberhard Sowka
    • C21D804
    • C21D8/041B21B1/46B21B45/004B22D11/041B22D11/1213B22D11/225C21D8/0426C21D8/0436C22C38/04
    • The invention relates to a method for producing a hot strip, in particular for producing a hot strip intended for the production of a cold strip with good deep-drawing characteristics; in which a steel melt comprising (in % by weight) C:≦0.07%, Si:≦0.5%, Mn:≦2.5%, Al:≦0.1%, N:≦0.01%, P:≦0.025, B:≦0.05, if need be up to a total of 0.35% of Nb, Ti and V, with the remainder being iron and the usual impurities is melted; in which the steel melt is continually output in one strand (S) from a permanent casting mould (1); in which the cast strand (S) immediately after discharge from the permanent casting mould (1) is led along a cooling line (2); in which the strand (S) is intensively cooled down to a temperature of Ar1±25 K at a cooling rate (aLM) of at least 3 K/s; in which, following its intensive cooling, the strand (S) is cooled by exposure to air for at least 30 seconds; and in which the strand (S) itself or thin slabs (D) divided off the strand (S) is/are reheated in a soaking furnace (5) before the strand (S) or the thin slabs (D) are hot rolled to form hot strip. The method according to the invention makes it possible, during processing of low-alloyed low-carbon steels, to reduce the required temperature in the soaking furnace such that the stress on the furnace is reduced without there being any reduction in the quality of the hot strip produced, or of the cold strip made from said hot strip.
    • 本发明涉及一种用于生产热带的方法,特别是用于生产用于生产具有良好深拉深特性的冷带的热带; 其中包含(重量%)C:<= 0.07%,Si:<= 0.5%,Mn:≤2.5%,Al:≤0.1%,N:<= 0.01%,P: = 0.025,B:<= 0.05,如果需要总共0.35%的Nb,Ti和V,余量为铁,通常的杂质熔化; 其中钢熔体从永久铸模(1)以一股(S)连续输出; 其中从永久铸造模具(1)排出之后的铸造线(S)沿着冷却线(2)被引导; 其中链(S)以至少3K / s的冷却速率(aLM)被强制冷却至Ar1±25K的温度; 其中,在强烈冷却之后,通过暴露于空气中将链(S)冷却至少30秒; 在将钢丝(S)或薄板坯(D)热轧成为(W)之前,在均热炉(5)中再次加热从钢丝(S)上分离出的坯料(S)本身或薄板坯(D) 形成热带。 根据本发明的方法,在低合金化低碳钢的加工过程中,可以在均热炉中降低所需的温度,从而降低炉子上的应力,而不会降低热的质量 或者由所述热带制成的冷带条。