CN1062196C - 具有冷轧性能的带钢制造方法和设备 - Google Patents

具有冷轧性能的带钢制造方法和设备 Download PDF

Info

Publication number
CN1062196C
CN1062196C CN95195695A CN95195695A CN1062196C CN 1062196 C CN1062196 C CN 1062196C CN 95195695 A CN95195695 A CN 95195695A CN 95195695 A CN95195695 A CN 95195695A CN 1062196 C CN1062196 C CN 1062196C
Authority
CN
China
Prior art keywords
band steel
rolling
temperature
steel
thickness
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN95195695A
Other languages
English (en)
Other versions
CN1161009A (zh
Inventor
弗里茨-彼得·普勒什乌奇尼格
英格·冯哈根
沃尔夫冈·布莱克
保罗·斯普林特
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vodafone GmbH
Original Assignee
Mannesmann AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25941531&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CN1062196(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE19520832A external-priority patent/DE19520832A1/de
Application filed by Mannesmann AG filed Critical Mannesmann AG
Publication of CN1161009A publication Critical patent/CN1161009A/zh
Application granted granted Critical
Publication of CN1062196C publication Critical patent/CN1062196C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/46Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
    • B21B1/463Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/021Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
    • C21D8/0215Rapid solidification; Thin strip casting
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226Hot rolling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/24Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
    • B21B1/26Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/30Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
    • B21B1/32Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
    • B21B1/34Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work by hot-rolling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/46Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
    • B21B1/466Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a non-continuous process, i.e. the cast being cut before rolling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B2201/00Special rolling modes
    • B21B2201/04Ferritic rolling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B2201/00Special rolling modes
    • B21B2201/12Isothermic rolling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B2201/00Special rolling modes
    • B21B2201/14Soft reduction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B45/00Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/004Heating the product
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B45/00Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203Cooling
    • B21B45/0209Cooling devices, e.g. using gaseous coolants
    • B21B45/0215Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B21B45/0218Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for strips, sheets, or plates
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/4998Combined manufacture including applying or shaping of fluent material
    • Y10T29/49988Metal casting
    • Y10T29/49991Combined with rolling

Abstract

本发明涉及一种制造具有冷轧性能的带钢的 方法,此方法包括下列依次连续的步骤:a)由钢水经连铸制成厚度从30至100毫米(凝固厚度)的薄板坯;b)按照步骤a)制出的薄板坯除鳞;c)除鳞后的薄板坯在温度在1150-900℃的范围内,通过热轧减小厚度至少50%,加工为最大厚度20毫米的中间带钢;d)热轧后此半成品带快速冷却到温度850-600℃的范围内;e)冷却后的半成品带钢在至少有三个机架的精轧机列中温度为850-600℃的情况下通过等温轧制,轧制出最大厚度2毫米的带钢;f)然后,此等温轧出的带钢快速冷却到温度最高为100℃,并作为成品带钢最好卷成盘。本发明还涉及一种实施此方法的设备。

Description

具有冷轧性能的带钢制造方法和设备
本发明涉及一种制造具有冷轧性能的带钢的方法,以及涉及一种实施此方法的设备。
由EP0541574B1已知此类方法,其中,具有冷轧性能的成品带钢由通过接近最终尺寸的浇注制成的初加工材料,直接在热轧机列中生产。其中规定首先在连铸机中制成最大厚度为100毫米的薄板坯,在这种情况下,直接在连续铸锭结晶器后面设轧机,具有液态和固体芯的铸坯,在此轧机上轧制成凝固厚度(无锭轧制)。紧接着,薄板坯除鳞,并在温度1100℃以上在具有例如三个轧机机架的轧机上,热轧至厚度从10至30毫米。以此方法热轧出的中间带钢,借助于带剪机切成段。这些段最好卷成盘,在以后进一步热轧时再开卷,并在需要时重新除鳞。在进一步热轧前,最好还在卷成盘前,将此带状材料通过感应加热,重新加热到1100℃以上的热轧温度。第二次热轧在温度为Ar3之上的情况下进行。紧接在这之后冷却到温度低于Ar3,最好在600-250℃范围内。接着,将如此制出的带料在一个或多个连续连接的轧机机架上通过冷轧进行成品轧制,并卷成盘。
此已知的方法企图用尽可能少的能量消耗生产冷轧带。为此,一方面使用接近最终尺寸的浇注(薄板坯制造)和无锭轧制方法,亦即部分仍为液态芯的热铸坯厚度减小方法。另一方面,一部分热轧是在留有连铸过程热量的情况下进行的。存在的缺点是,尽管利用了连铸带来的热量,仍需要感应加热带状的中间产品,以进行第二部分热轧。
本发明的目的是提供一种方法和实施此方法的一种设备,其中避免单独再次加热带状的中间产品和与之相关的能量消耗和设备投资。此外,在冷轧性能方面应做到尽可能改善所生产材料的特性。
为达到此目的,按本发明的一个方面,提供了一种制造具有冷轧性能的带钢的方法,包括下列按时间顺序连续的步骤:
a)由钢水经连铸制成厚度从30至100毫米的薄板坯,当铸坯从连铸机的结晶器排出后,进行具有液态芯的铸坯的无锭轧制,减少铸坯的厚度至少10%;
b)对按照步骤a)制出的薄板坯除鳞;
c)除鳞后的薄板坯在温度在1150-900℃的范围内,通过热轧减小厚度至少50%,加工为最大厚度20毫米的中间带钢;
d)热轧后,将中间带钢加速冷却到温度在850-600℃的范围内;
e)冷却后的中间带钢,在至少有三个机架的精轧机列中温度为850-600℃的情况下通过等温轧制,轧制为最大厚度2毫米的带钢,其中,每个轧制道次完成带钢厚度的减小至少25%;
f)最后,此等温轧出的带钢加速冷却至温度最高为100℃,并作为成品带钢卷成盘。
按本发明的另一方面,提供了一种实施上述方法的设备,
-具有一个制造薄板坯的连铸机;
-有一个直接设在连铸机的结晶器后面的无锭轧制装置;
-有一个设在无锭轧制装置后面的除鳞装置;以及
-有一个与除鳞装置连接的热轧机,它至少由两个轧机机架或一个可逆式轧机机架组成,
其中:
-在热轧机后面,为了加速冷却在热轧机中制出的中间带钢,设第一冷却装置;
-在第一冷却装置后面,设置用于等温轧制并至少有三个轧机机架的轧机;以及
-直接在轧机后面连接第二冷却装置,用于加速冷却制出的带钢。
本发明与由EP0541574B1已知方法的区别是,仅规定了唯一的一次相连的热轧过程,也就是取消了第二次热轧过程和为此所需的中间感应加热。与之不同,按本发明热轧在唯一的道次中进行,在结束热轧时加速冷却到850至600℃之间的温度。然后,在此所达到的温度下在至少三个轧制道次中通过等温轧制(其中每个轧制道次厚度减小至少35%)制成成品带钢,以及,紧接着此精轧后加速冷却至最多还只有100℃的温度。相比之下,在已知的方法中精轧是在低得多的温度(约250至600℃)下进行的。按本发明的等温轧制尽管从严格的意义上讲带钢的温度并不是保持为常数,但它只是在一个相当小的公差带范围内变化,例如ΔT=0至20℃。在等温轧制过程中必须保证温度决不低于一个临界值,以及不可避免的因辐射造成的热损失至少通过在带钢内产生的变形功来补偿。此方法最好应这样运行,即,通过加入的单位变形功(“speed up”)产生的热量,始终多于预期通过辐射造成的热耗散,以及,温度控制通过在轧制道次之间有目的地冷却来保证。若在轧制过程中带钢的实际温度一度低于临界值时,通过改变轧制参数来达到重新提高到所期望值的做法,几乎不可能还有什么意义。
下面借助在唯一的图中表示的设备简图,进一步说明本发明。
钢水,最好是深冲钢水,从钢水包10注入中间容器(Tundish)11。中间容器11可使所盛装的钢水连续流入在它下面的连铸结晶器12内,后者有一个图中没有表示的液体冷却装置并导致形成铸坯,铸坯由铸坯外壳和液态芯组成。热铸坯在这一状态下进入设在连铸结晶器12下方的无锭轧制装置中,它将具有部分液态芯的铸坯的厚度进一步减小。此外,厚度为30至100毫米,最好为40至70毫米的薄板坯1从无锭轧制装置13排出。在无锭轧制中厚度减小至少10%,最好至少30%。之后,铸坯进入除鳞装置19中,此除鳞装置最好设计为流体力学式除鳞器。薄板坯1除鳞后具有的温度在1150至900℃的范围内。在这一状态下,薄板坯1输入一个紧接在除鳞装置19下游的热轧机15,在热轧机15中薄的坯1的厚度减小至少50%,成为厚度最大20毫米,最好10至20毫米的中间带钢。在有些情况下也可以是有利的做法是,直接在热轧机15前设一个均热炉(图中未表示),它将最好切成长度分段的薄板坯1保持在所要求的热轧温度。在此最好具有两或三个轧机机架的、或还具有可逆式轧机的热轧机15后面,按一般情况推荐连接一台切断机,例如形式上为带剪机17,以便把产生的中间带钢分切成已提及的长度分段。按本发明,此经热轧的中间带钢迅速冷却到850至600℃范围内的温度。冷却温度最好根据所用钢的化学成分、根据所谋求的成品带钢的金相组织、以及根据要达到的成品带钢中的机械工艺性能选择。冷却在第一冷却装置18中进行,在所画的略图中它紧接在带剪机17后。在许多情况下,由于场地的原因,建议将处于对随后的成品轧制所希望温度下的中间带钢分段,在卷绕装置20中卷成中间带钢盘,并将它放在均热炉21内保持所希望的温度。在紧接着此均热炉21下游的开卷机22上,为实施接着的精轧将中间带钢重新开卷。在精轧前,最好在除鳞装置23中再次进行除鳞,以避免在此期间可能形成氧化皮而影响质量。为了在温度范围为600至850℃的情况下进行形式上为等温的轧制的精轧,设轧机24,它至少有三个轧机机架。在许多情况下推荐具有四个或最多五个轧机机架的轧机。数量更多的精轧机架一般是不合乎目的的。轧机机架应这样工作,即,每个轧制道次完成减少带钢厚度至少25%。离开轧机的成品带钢厚度最大为2毫米,最好厚度从0.5至1.5毫米。为了保证(近似于)等温的轧制条件,建议,在轧机24的各轧机机架之间,设形式上例如为喷雾冷却的冷却装置(图中未表示),它有控制地带走多余的热量。带钢在轧机24中的实际温度由图中未表示的温度传感器监测。从轧机24排出的带钢直接进入第二冷却装置25,加速冷却至最高还有100℃的温度。这种加速的冷却的冷却速率最好在10至25℃/s的范围内。为此,带钢例如被引导通过一个液体冷却槽。但也可以按熟知的方法,在经过具有尽可能小辊距(小于250毫米)的辊道过程中,采用喷雾冷却器。如此制成的成品带钢最好卷绕成盘的形式以便于运输。为此,在设备略图中设有相应的卷绕机26。
在热轧机15与轧机24之间规定形成中间带钢盘的优点在于,一方面获得材料的中间缓冲(Materialzwischenquffer),这可以减少轧机的运行故障,而另一方面对于这样一种缓冲材料的温度保持所需要的均热炉21,只需要比较小的面积。
下面给出此方法的举例。
一种深冲钢水含有
0.04%C
0.02%Si
0.21%Mn
0.018%P
0.006%S
0.35%Al
0.05%Cu
0.05%Cr
0.04%Ni
0.0038%N
其余为铁和一般杂质(Tliq≌1520℃)在温度约1540℃时在薄板坯连铸机中浇铸。从连铸结晶器出口处,规格为80毫米厚和1300毫米宽的铸坯中还有液态芯。此铸坯的平均温度在结晶器出口处约1310℃。在这种状态下,薄板铸坯输入无锭轧制装置中,并减小厚度25%,所以得到的凝固厚度为60毫米。在借助于高压水射流除鳞后,薄板坯在一个三机架式热轧机列中厚度减少约66%,所以产生的中间带钢的厚度为20毫米。在热轧机列入口处的温度为1130℃,出口处为938℃。在这之后紧接着将此中间带钢分切成分段,并加速冷却到温度约700℃。在通过均热炉后(它同样在700℃的温度下工作)并经过除鳞,由分段制成的中间带钢盘被输往精轧机机列。它一共有五个轧机机架,它们按总共减小厚度95%进行工作。输入第一个轧机机架具有650℃温度的中间带钢,在从这一机架出口时具有略有提高的温度为658℃,通过一个设在第二轧机机架前的喷雾冷却器,温度重新隆至约650℃。类似地,在第三轧机机架前,从第二轧机机架出口的温度为664℃,通过另一个喷雾冷却器降到第三轧机机架的进口温度为650℃。相应地也适用于第四和第五轧机机架。之后,紧接着将如此制成的厚度为1.0毫米的成品带钢,在水冷槽内以冷却速率为21℃/s冷却到约90℃,并接着卷绕为成品盘。以此方法制成的成品带钢证明具有杰出的机械工艺性能,它可与一种冷轧带钢相比。
按本发明的生产途径导致特别细晶粒的组织形态,与按照由EP0541574B1已知方法得到的结果相比显然是有利的。在此已知的方法中,由于在第二次热轧前的再次加热至1100℃,导致明显的晶粒粗化,在按本发明的方法中由于选择的温度范围为从850至600℃,所以不可能发生晶粒粗化。与晶粒大小有关的另一个区别源于不同类型的精轧。在按本发明的方法中,在采用处于再结晶门坎值的温度进行等温轧制期间,在比90%高得多的上述总变形系数的情况下,发生了一种进一步的动态的晶粒细化,与此同时提高了强度和韧性。而在已知的方法中,由于在各轧制道次中的变形小得多,所发生的上述这些情况远没有那么明显。在已知的方法中通过冷作硬化可以获得的高强度值,在按本发明的方法中通过适当地调整轧制循环同样可以达到,并且除此之外还伴随着显著改善了韧性性能。因此,总起来可以说,按本发明的方法生产的带钢的特点在于,在有很高的强度值的同时,有极好的变形和韧性性能。

Claims (25)

1.制造具有冷轧性能的带钢的方法,包括下列按时间顺序连续的步骤:
a)由钢水经连铸制成厚度从30至100毫米的薄板坯,当铸坯从连铸机的结晶器排出后,进行具有液态芯的铸坯的无锭轧制,减少铸坯的厚度至少10%;
b)对按照步骤a)制出的薄板坯除鳞;
c)除鳞后的薄板坯在温度在1150-900℃的范围内,通过热轧减小厚度至少50%,加工为最大厚度20毫米的中间带钢,其特征在于下列继续进行的步骤:
d)热轧后,将中间带钢加速冷却到温度在850-600℃的范围内;
e)冷却后的中间带钢,在至少有三个机架的精轧机列中温度为850-600℃的情况下通过等温轧制,轧制为最大厚度2毫米的带钢,其中,每个轧制道次完成带钢厚度的减小至少25%;
f)最后,此等温轧出的带钢加速冷却至温度最高为100℃,并作为成品带钢卷成盘。
2.按照权利要求1所述的方法,其特征为:制成的薄板坯具有凝固厚度为40-70毫米。
3.按照权利要求1或2所述的方法,其特征为:薄板坯无锭轧制时的厚度减小至少20%。
4.按照权利要求1所述的方法,其特征为:薄板坯在热轧前放在均热炉内保温。
5.按照权利要求1所述的方法,其特征为:制成的中间带钢具有厚度为10-20毫米。
6.按照权利要求1或5所述的方法,其特征为:中间带钢在步骤d)后切成长度分段,并卷绕成盘。
7.按照权利要求1所述的方法,其特征为:在步骤d)中冷却后的中间带钢,在等温轧制前放在均热炉内保持此冷却温度。
8.按照权利要求1所述的方法,其特征为:等温轧制在四或五个道次中进行。
9.按照权利要求1或8所述的方法,其特征为:带钢等温轧制到厚度为0.5-1.5毫米。
10.按照权利要求1所述的方法,其特征为:带钢最后的冷却以冷却速率在10-25℃/s的范围内进行。
11.按照权利要求1所述的方法,其特征为:中间带钢直接在等温轧制前再一次除鳞。
12.按照权利要求1所述的方法,其特征为:除鳞总是以流体力学的方法进行。
13.按照权利要求1所述的方法,其特征为:在等温轧制时各轧制道次之间的中间带钢温度,通过冷却来调整。
14.按照权利要求1所述的方法,其特征为:在步骤a)中使用具有深冲质量的钢水。
15.实施按照权利要求1所述方法的设备,
-具有一个制造薄板坯(1)的连铸机;
-有一个直接设在连铸机的结晶器(12)后面的无锭轧制装置(13);
-有一个设在无锭轧制装置(13)后面的除鳞装置(19);以及
-有一个与除鳞装置(19)连接的热轧机(15),它至少由两个轧机机架或一个可逆式轧机机架组成,其特征为:
-在热轧机(15)后面,为了加速冷却在热轧机(15)中制出的中间带钢,设第一冷却装置(18);
-在第一冷却装置(18)后面,设置用于等温轧制并至少有三个轧机机架的轧机(24);以及
-直接在轧机(24)后面连接第二冷却装置(25),用于加速冷却制出的带钢。
16.按照权利要求15所述的设备,其特征为:除鳞装置(19)设计的为流体力学式除鳞器。
17.按照权利要求15或16所述的设备,其特征为:在无锭轧制装置(13)与热轧机(15)之间设均热炉。
18.按照权利要求15所述的设备,其特征为:在热轧机(15)后面设置分切装置(17),用于将热轧的中间带钢分切为长度分段。
19.按照权利要求18所述的设备,其特征为:在第一冷却装置(18)后面设置用于中间带钢盘卷的卷绕装置(20)和开卷装置(22)。
20.按照权利要求18或19所述的设备,其特征为:在第一冷却装置(18)与等温轧机(24)之间,在卷绕装置(20)与开卷装置(22)之间,设置用于中间带钢分段的温度保持的加热装置(21)。
21.按照权利要求15所述的设备,其特征为:直接在等温轧机(24)前,设置除鳞装置(23)。
22.按照权利要求15所述的设备,其特征为:热轧机(15)包括三个轧机机架。
23.按照权利要求15所述的设备,其特征为:等温轧机(24)包括四或五个轧机机架。
24.按照权利要求15所述的设备,其特征为:在第二冷却装置(25)后面设置用于卷绕成品带钢的卷绕装置(26)。
25.按照权利要求15所述的装置,其特征为:在用于等温轧制的轧机(24)的轧机机架之间,设置用于调整温度的冷却装置。
CN95195695A 1994-10-20 1995-09-21 具有冷轧性能的带钢制造方法和设备 Expired - Fee Related CN1062196C (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DEP4438783.0 1994-10-20
DE4438783 1994-10-20
DE19520832.3 1995-05-31
DE19520832A DE19520832A1 (de) 1994-10-20 1995-05-31 Verfahren und Vorrichtung zur Herstellung von Stahlband mit Kaltwalzeigenschaften

Publications (2)

Publication Number Publication Date
CN1161009A CN1161009A (zh) 1997-10-01
CN1062196C true CN1062196C (zh) 2001-02-21

Family

ID=25941531

Family Applications (1)

Application Number Title Priority Date Filing Date
CN95195695A Expired - Fee Related CN1062196C (zh) 1994-10-20 1995-09-21 具有冷轧性能的带钢制造方法和设备

Country Status (8)

Country Link
US (1) US5832985A (zh)
EP (1) EP0804300B1 (zh)
JP (1) JP3807628B2 (zh)
CN (1) CN1062196C (zh)
AT (1) ATE179640T1 (zh)
AU (1) AU686014B2 (zh)
CA (1) CA2202616C (zh)
WO (1) WO1996012573A1 (zh)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1003293C2 (nl) 1996-06-07 1997-12-10 Hoogovens Staal Bv Werkwijze en inrichting voor het vervaardigen van een stalen band.
IT1289036B1 (it) * 1996-12-09 1998-09-25 Danieli Off Mecc Linea di colata continua compatta
CN1166464C (zh) * 1996-12-19 2004-09-15 科鲁斯斯塔尔有限公司 生产薄钢板或带钢的方法及装置
GB2322320A (en) * 1997-02-21 1998-08-26 Kvaerner Metals Cont Casting Continuous casting with rolling stages separated by a temperature controlling stage
DE19712616C2 (de) * 1997-03-26 1999-07-15 Thyssen Stahl Ag Warmwalzen von Stahlband
KR100368253B1 (ko) * 1997-12-09 2003-03-15 주식회사 포스코 미니밀프로세스에의한열연판의제조방법
GB9802443D0 (en) * 1998-02-05 1998-04-01 Kvaerner Metals Cont Casting Method and apparatus for the manufacture of light gauge steel strip
DE19860570C1 (de) * 1998-12-22 2000-10-05 Sms Demag Ag Verfahren zur Erzeugung von runden Knüppeln
DE19915624A1 (de) * 1999-04-03 2000-10-05 Sms Demag Ag Verfahren und Anordnung zur kontinuierlichen Herstellung von Fertigprofilen aus Metall
FR2795005B1 (fr) * 1999-06-17 2001-08-31 Lorraine Laminage Procede de fabrication de toles aptes a l'emboutissage par coulee directe de bandes minces, et toles ainsi obtenues
DE10325955A1 (de) * 2003-06-07 2004-12-23 Sms Demag Ag Verfahren und Anlage zum Erzeugen von Stahlprodukten mit bester Oberflächenqualität
WO2006003833A1 (ja) * 2004-06-30 2006-01-12 Sumitomo Electric Industries, Ltd. マグネシウム合金材の製造方法
SI1662011T1 (sl) * 2004-11-24 2009-04-30 Giovanni Arvedi Toplo valjani dvofazni jekleni trak, ki ima značilnosti hladno valjanega traku
DE102005052774A1 (de) * 2004-12-21 2006-06-29 Salzgitter Flachstahl Gmbh Verfahren zum Erzeugen von Warmbändern aus Leichtbaustahl
BRPI0520363A2 (pt) * 2005-07-19 2009-09-29 Giovanni Arvedi processo para fabricar chapas de aço, e, usina para fabricar chapas de aço
ES2331372T3 (es) 2005-07-19 2009-12-30 Giovanni Arvedi Proceso y planta relacionada para la fabricacion sin interrupcion de productos largos de acero.
ITMI20051764A1 (it) * 2005-09-22 2007-03-23 Danieli Off Mecc Processo e impianto per la produzione di nastro metallico
DE102005047936A1 (de) * 2005-10-06 2007-04-12 Sms Demag Ag Verfahren und Vorrichtung zum Reinigen von Brammen, Dünnbrammen, Profilen oder dergleichen
ITRM20050523A1 (it) * 2005-10-21 2007-04-22 Danieli Off Mecc Processo e impianto per la produzione di nastro metallico.
AT504782B1 (de) * 2005-11-09 2008-08-15 Siemens Vai Metals Tech Gmbh Verfahren zur herstellung eines warmgewalzten stahlbandes und kombinierte giess- und walzanlage zur durchführung des verfahrens
ITRM20070150A1 (it) * 2007-03-21 2008-09-22 Danieli Off Mecc Processo e impianto per la produzione di nastro metallico
DE102008003222A1 (de) * 2007-09-13 2009-03-19 Sms Demag Ag Kompakte flexible CSP-Anlage für Endlos-, Semi-Endlos- und Batchbetrieb
DE102010008389A1 (de) * 2010-02-17 2011-08-18 Kocks Technik GmbH & Co. KG, 40721 Walzanlage zum Erzeugen eines rohrförmigen Produkts und Verfahren zum Erzeugen eines rohrförmigen Produkts
AT511674B1 (de) * 2011-06-24 2013-04-15 Siemens Vai Metals Tech Gmbh Inbetriebnahme einer fertigwalzstrasse in einer giess-walz-verbundanlage
AT511657B1 (de) * 2011-06-24 2013-04-15 Siemens Vai Metals Tech Gmbh Inbetriebnahme einer fertigwalzstrasse in einer giess-walz-verbundanlage
KR101449180B1 (ko) * 2012-12-21 2014-10-08 주식회사 포스코 고강도강의 형상 교정 및 압연 방법과 형상 교정 장치
CN103894572B (zh) * 2014-04-10 2016-09-07 北京科技大学 一种连铸坯预处理方法
KR20170089045A (ko) * 2015-12-21 2017-08-03 주식회사 포스코 마르텐사이트 함유 강판의 제조방법 및 장치
IT201700039423A1 (it) * 2017-04-10 2018-10-10 Arvedi Steel Eng S P A Impianto e procedimento per la produzione in molteplici modalita' di nastri e lamiere d’acciaio
CN111545719A (zh) * 2020-05-11 2020-08-18 江苏联峰实业有限公司 一种钢坯梯度连铸设备及其连铸工艺
CN111589865B (zh) * 2020-05-26 2022-04-05 中冶赛迪工程技术股份有限公司 一种低屈强比薄带钢连铸连轧生产线及生产工艺

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1078670A (zh) * 1992-05-12 1993-11-24 迪宾公司 中厚度板坯连铸机和直列热轧带板材作业线的方法及装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2000642B1 (zh) * 1968-01-24 1973-04-06 Sumitomo Metal Ind
JPS6199631A (ja) * 1984-10-22 1986-05-17 Kawasaki Steel Corp 深絞り用薄鋼板の製造方法
NL8702050A (nl) * 1987-09-01 1989-04-03 Hoogovens Groep Bv Werkwijze en inrichting voor de vervaardiging van bandvormig vervormingsstaal met goede mechanische en oppervlakte-eigenschappen.
NL8802892A (nl) * 1988-11-24 1990-06-18 Hoogovens Groep Bv Werkwijze voor het vervaardigen van vervormingsstaal en band vervaardigd daarmee.
IT1244295B (it) * 1990-07-09 1994-07-08 Giovanni Arvedi Processo ed impianto per l'ottenimento di nastri di acciaio avvolti, aventi caratteristiche di laminati a freddo ottenuti direttamente in linea di laminazione a caldo
WO1992022389A1 (en) * 1991-06-18 1992-12-23 Mannesmann Ag Process and plant for obtaining steel strip coils having cold-rolled characteristics and directly obtained in a hot-rolling line
AT398396B (de) * 1993-02-16 1994-11-25 Voest Alpine Ind Anlagen Verfahren zum herstellen eines bandes, vorstreifens oder einer bramme

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1078670A (zh) * 1992-05-12 1993-11-24 迪宾公司 中厚度板坯连铸机和直列热轧带板材作业线的方法及装置

Also Published As

Publication number Publication date
AU686014B2 (en) 1998-01-29
JP3807628B2 (ja) 2006-08-09
EP0804300A1 (de) 1997-11-05
ATE179640T1 (de) 1999-05-15
EP0804300B1 (de) 1999-05-06
CN1161009A (zh) 1997-10-01
CA2202616C (en) 2001-01-23
JPH11511696A (ja) 1999-10-12
AU3561395A (en) 1996-05-15
CA2202616A1 (en) 1996-05-02
US5832985A (en) 1998-11-10
WO1996012573A1 (de) 1996-05-02

Similar Documents

Publication Publication Date Title
CN1062196C (zh) 具有冷轧性能的带钢制造方法和设备
US5810069A (en) Process for the production of a strip, a pre-strip or a slab
US4885041A (en) Method for the manufacture of formable steel strip
KR100356735B1 (ko) 강스트립제조방법및장치
US5514228A (en) Method of manufacturing aluminum alloy sheet
CN1106233C (zh) 用于轧制薄轧带材的热带材生产设备
EP0605947B1 (en) Method of manufacturing can body sheet using two sequences of continuous in-line operations
CN100467148C (zh) 由轻型结构钢生产热轧带材的方法
CN1103647C (zh) 制造热轧钢带的方法和设备
EP0610028B1 (en) Method and apparatus for continuous casting and hot-rolling
CN1222371C (zh) 制造板带钢的方法及设备
EP0504999B1 (en) Apparatus and method for the manufacture of hot-rolled steel
US5894879A (en) Method of manufacturing aluminum alloy sheet
KR101809108B1 (ko) 열간 강 스트립의 에너지 효율적인 제조를 위한 방법 및 플랜트
EP0576171A1 (en) A method of manufacturing can body sheet
CA2421276C (en) Production method and installation for producing thin flat products
KR101809112B1 (ko) 에너지- 및 수율-최적화된, 열간 강 스트립 제조 방법 및 플랜트
EP0370575A1 (en) Method for the manufacture of formable steel
KR100373793B1 (ko) 냉간압연제품의특성을가진강판의제조방법및제조장치
CA2242728A1 (en) Process for the hot rolling of steel bands
US5092393A (en) Process for producing cold-rolled strips and sheets of austenitic stainless steel
JP3357111B2 (ja) 軽量形鋼/線材圧延ラインにより特殊鋼或いは他の合金鋼から成る線材或いは丸断面の被圧延材を圧延するための方法
US5030296A (en) Process for production of Cr-Ni type stainless steel sheet having excellent surface properties and material quality
EP0378705B1 (en) PROCESS FOR PRODUCING THIN Cr-Ni STAINLESS STEEL SHEET EXCELLENT IN BOTH SURFACE QUALITY AND QUALITY OF MATERIAL
RU2172652C2 (ru) Способ производства стальной полосы и устройство для его осуществления

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20010221

Termination date: 20110921