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221.
公开(公告)号:KR1020170121276A
公开(公告)日:2017-11-01
申请号:KR1020177027620
申请日:2016-03-16
Applicant: 닛신 세이코 가부시키가이샤
IPC: C22C38/26 , C22C38/28 , C22C38/02 , C22C38/04 , C22C38/20 , C21D8/02 , B21B1/22 , B21B3/02 , G11B33/08 , G11B33/14
CPC classification number: B21B1/22 , B21B3/02 , B21B2001/221 , B21B2001/228 , B21B2201/04 , B21B2261/04 , B21B2261/14 , C21D1/76 , C21D8/0236 , C21D8/0273 , C21D8/0294 , C21D9/46 , C21D2211/005 , C22C38/001 , C22C38/004 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/16 , C22C38/18 , C22C38/20 , C22C38/26 , C22C38/28 , C22C38/32 , C22C38/34 , C22C38/40 , C23C8/02 , C23C8/10 , C23C8/18 , C23C8/60 , G11B33/08 , G11B33/14
Abstract: 세정성, 방현성및 친수성이우수한페라이트계스테인리스강판을제공한다. 마무리냉간압연및 광휘소둔후에덜롤을이용하여조질압연한페라이트계스테인리스강판에있어서, 강판표면에있어서의압연방향에대하여수직인방향의산술평균거칠기(Ra)가 0.2㎛이상 1.2㎛이하이다. 또, 강판표면에있어서의덜 모양의전사율이 15% 이상 70% 이하이다. 또한, 강판표면에형성된깊이가 0.5㎛이상이고개구면적이 10μ㎡이상인마이크로피트는, 존재밀도가 0.01㎟당 10.0개이하이며, 또한, 개구부면적률이 1.0% 이하이다. 또, 강판표면에형성된피막은, C 이외의피막형성원소로서, 적어도 Si와, N과, Al과, Mn과, Cr과, Fe와, Nb와, Ti와, O를함유하고, 또한, Si 함유량이 10원자% 이상이고, N 함유량이 10원자% 이하인 SiO주체의산화물로구성한다.
Abstract translation: 提供清洁性,可燃性和亲水性优异的铁素体不锈钢板。 在精加工冷轧并用回火后deolrol轧制光亮退火的铁素体不锈钢板,算术平均在垂直于或小于1.2㎛0.2㎛到钢板表面的轧制方向的方向上的粗糙度(Ra)为。 另外,钢板表面上的较少形状的转印率为15%以上且70%以下。 此外,深度是形成在钢板和微坑不大于所述开口面积10μ㎡更少的表面上超过0.5㎛是,的存在和大于10.0每0.01㎟密度,并且是开口面积比为1.0%或更低。 形成在钢板的表面上的涂层,作为C以外的成膜元素,至少含有Si,N和,Al和,Mn和,Cr和,Fe和Nb及含有Ti和O,也,硅 10原子%以上的含量和10原子%以下的N含量。
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公开(公告)号:KR101778179B1
公开(公告)日:2017-09-14
申请号:KR1020160101695
申请日:2016-08-10
Applicant: 주식회사 포스코
CPC classification number: B21B15/0085 , B21B45/004 , B21B2015/0014 , B21B2201/04
Abstract: 열간압연소재변형방지방법이개시된다. 본발명의일 실시예에따른열간압연소재변형방지방법에따르면, 복수의접합소재의양 끝단을중첩하여전단변형하여접합하는고급강연속열간압연방법에있어서, 상기접합소재가중첩되는양 끝단중 어느하나이상의접합부위에 Si 및 Cr의함량이상기접합소재보다적은개질소재를이용하여클래딩하여표면개질층을형성하는단계및 복수의접합소재의양 끝단을중첩하여전단변형하는단계를포함하며, 상기접합소재및 상기개질소재는 1:0.8 내지 1:1.2의범위의고온인장강도를가진다.
Abstract translation: 公开了一种防止热轧材料变形的方法。 根据抗热轧材料变形过程根据在用于剪切变形的热轧方法中的先进的语音由通过重叠所述多个接合材料的的相对端,所述量加入本发明的一个实施例的,其中,所述接合材料的重叠端 在包括剪切重叠工序的多个接合材料的两端的步骤,以及通过使用比所述接合材料的一个小的改性材料包覆,以形成表面改性层的Si和Cr NA2的至少一个关节的量,接合 并且改性材料具有在1:0.8至1:1.2范围内的高温拉伸强度。
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公开(公告)号:KR100528782B1
公开(公告)日:2005-11-15
申请号:KR1020007006178
申请日:1998-12-08
Applicant: 타타 스틸 이즈무이덴 베.뷔.
Inventor: 니벨드에릭마르코 , 주르비어시몬페트러스안토니우스
IPC: B21B1/42
CPC classification number: B21B1/26 , B21B1/466 , B21B15/0085 , B21B2201/02 , B21B2201/04 , Y10T29/49991 , Y10T29/5183 , Y10T29/5184
Abstract: 얇은 강 스트립을 제조하는 장치는 얇은 강 슬래브를 주조하기 위한 적어도 하나 또는 그 이상의 연속-주조기(1), 슬래브를 가열시키고 및/또는 균일화시키기 위한 노장치(7), 노장치(7)의 밖으로 운반되어지는 슬래브의 두께를 감소시키기 위한 적어도 하나의 압연장치 및 슬래브를 함께 결합시킬 목적으로 연속주조기(1)사이 또는 연속주조기와 압연장치(10) 사이에 위치되는 용접기를 포함하는 것을 특징으로 한다.
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公开(公告)号:KR100434847B1
公开(公告)日:2004-08-09
申请号:KR1019960035694
申请日:1996-08-27
Applicant: 에스엠에스 시마그 악티엔게젤샤프트
IPC: B21B1/34
CPC classification number: B21B1/26 , B21B1/34 , B21B1/466 , B21B2201/02 , B21B2201/04
Abstract: A PRODUCTION PLANT FOR PRODUCING HOT-ROLLED FLAT PRODUCTS INCLUDES A ROLLING TRAIN(15) COMPOSED OF A PLURALITY OF ROLL STANDS, A RUN-OUT TABLE WITH DEVICES FOR COOLING THE HOT STRIP, AND WITH SUBSEQUENTLY ARRANGED COILING MACHINES(16,18) FOR COILING THE STRIP. AT LEAST THE FIRST ROLL STAND OF THE ROLLING TRAIN(15) IS A REVERSING STAND(8). AT LEAST ONE REELING FURNACE(6) EACH IS ARRANGED IN FRONT OF AND FOLLOWING THE REVERSING STAND(8). A CONTROLLABLE COOLING UNIT(7) IS PROVIDED BETWEEN THE REVERSING STAND(8) AND THE REELING FURNACE(6) IN FRONT OF THE REVERSING STAND. (FIG.1)
Abstract translation: 用于生产热轧扁钢产品的生产工厂包括由多个轧辊支架组成的轧制列车(15),具有用于冷却热轧钢带的设备的走出式工作台以及用于随后设置的卷取机(16,18) 卷曲的条纹。 至少,第一列滚动轴(15)是一个反转轴(8)。 至少一个回火炉(6)每个回火炉安装在反转炉(8)的前面和后面。 可逆式冷却装置(7)位于反转台(8)和反转炉前面的回转炉(6)之间。 (图。1)
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公开(公告)号:KR100356735B1
公开(公告)日:2003-01-24
申请号:KR1019980710149
申请日:1997-06-09
Applicant: 타타 스틸 이즈무이덴 베.뷔.
Inventor: 덴하르토그후이베르트윌렘
IPC: B21B1/46
CPC classification number: C21D8/0226 , B21B1/26 , B21B1/466 , B21B2201/02 , B21B2201/04 , B21B2201/16
Abstract: Method for the manufacture of a steel strip, wherein molten steel is cast into a slab, conveyed through a furnace, roughed in a roughing apparatus and finish-rolled in a finishing apparatus. The method comprises an endless or semi-endless process having either step a or step b, wherein a and b respectively comprise (a) manufacturing a ferritically rolled steel strip, wherein the slab is rolled in the roughing apparatus in the austenitic range and then cooled to a ferritic structure, and wherein the strip is rolled in the finishing apparatus at speeds essentially corresponding to the entry speed into the finishing apparatus, and (b) manufacturing an austenitically rolled steel strip, wherein the strip leaving the roughing apparatus is heated to the austenitic range and is rolled in the finishing apparatus and then cooled down to the ferritic range. In both step a and b, there is no material connection between the steel in the continuous casting machine and the steel being rolled in the finishing apparatus, and the strip is fed from the roughing apparatus to the finishing apparatus without intermediate storage. Additional steps include cutting the ferritically or austenitically rolled strip, after reaching the desired finished thickness, to portions of the desired length, and coiling the cut portions.
Abstract translation: 一种制造钢带的方法,其中将钢水浇铸成板坯,传送通过炉子,在粗轧设备中粗轧并在精轧设备中精轧。 该方法包括具有步骤a或步骤b的环形或半环形工艺,其中a和b分别包括(a)制造铁素体轧制钢带,其中该扁坯在奥氏体范围内在粗轧装置中轧制,然后冷却 (b)制造奥氏体轧制的钢带,其中将离开粗轧装置的钢带加热到铁素体结构,并且其中在精轧设备中以基本上对应于进入精轧设备的进入速度的速度轧制所述带材,以及(b) 奥氏体范围,并在精轧设备中轧制,然后冷却至铁素体范围。 在步骤a和b中,在连续铸造机中的钢与在精轧设备中轧制的钢之间没有材料连接,并且将带从粗轧设备供给到精轧设备而没有中间储存。 额外的步骤包括在达到所需的成品厚度后将铁素体或奥氏体轧制的带材切割成所需长度的部分,并卷绕切割部分。
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公开(公告)号:KR100353570B1
公开(公告)日:2002-09-19
申请号:KR1019997005599
申请日:1997-12-19
Applicant: 타타 스틸 이즈무이덴 베.뷔.
Inventor: 코르넬리센마르쿠스코르넬리스마리아 , 그루트알드리쿠스마리아 , 덴하르토그후이베르트윌렘
IPC: B21B1/46
CPC classification number: B21B1/26 , B21B1/466 , B21B2201/04 , C21D8/0231
Abstract: 본발명은, 강스트립또는시이트의제조방법에관한것으로, 액체강을연속-주조기내에서박판으로주조하고, 주조열을이용하면서, 로장치로이송하고, 조압연스탠드에서통과두께로조압연하고마무리압연스탠드에서요구되는최종두께의강 스트립또는시이트를형성하며,(a)페라이트로압연된강 스트립을제조하기위해, 스트립, 플레이트또는그 일부를로 장치로부터간섭없이조압연장치로의진입및 이후의두께감소속도에대응하는속도로이송하고, 조압연스탠드로부터마무리압연스탠드의하류에배치된처리장치로이송하고, 조압연스탠드로부터나오는스트립을강이페라이트구조를갖는온도로냉각하고, (b)오스테나이트로압연된강 스트립을제조하기위해, 조압연기로부터나오는스트립을오스테나이트범위내의온도로하거나또는이 온도로유지하고, 마무리압연스탠드에서오스테나이트영역으로최종두께로압연하고, 이압연후페라이트영역으로냉각하는것을특징으로한다.
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公开(公告)号:KR1020010051685A
公开(公告)日:2001-06-25
申请号:KR1020000067578
申请日:2000-11-15
Applicant: 가부시키가이샤 히타치세이사쿠쇼
IPC: B21B1/00
CPC classification number: B21B37/74 , B21B1/34 , B21B45/004 , B21B45/0218 , B21B45/0251 , B21B45/08 , B21B2013/021 , B21B2201/02 , B21B2201/04 , B21B2201/16 , C21D8/0226 , C21D9/68
Abstract: PURPOSE: To obtain a high quality material, to which the hot-rolling of a carbon steel can be applied by the use of a Steckel hot-rolling mill and of which metallurgical structure is reformed. CONSTITUTION: A rolling material 1 is heated by a heating device 5 arranged between a furnace coiler 16 and the rolling mill 2 and held for a fixed time to execute again the solid-solution heating to deposited material. For minimizing the necessary heating capacity in the heating device 5, the solid-solution heating pass is made to non-rolling reduction or extremely light rolling reduction and low speed plate passing and if necessary, this pass is repeated plural times. Particularly, the solid-solution heating pass is executed just before the last rolling pass, or the rolling material temperature just before starting the rolling is controlled to un-recrystallized austenite range or ferrite range by utilizing the heating device 5 and a cooling device 6, or at least in the last rolling pass, hot-rolling oil is applied on the rolling material 1 or an accumulated rolling reduction ratio in the un-recrystallized austenite range is made to >= 50%, densirably >= 60% to prevent the coarsening of the metallurgical structure crystallization in the rolled material 1.
Abstract translation: 目的:通过使用Steckel热轧机并对其进行改性的冶金结构,获得能够应用碳钢的热轧的优质材料。 构成:轧制材料1被设置在炉式卷取机16和轧机2之间的加热装置5加热,并保持固定时间,以再次执行对沉积材料的固溶加热。 为了最小化加热装置5中的必要的加热能力,固溶加热通道进行非滚动压下或极轻的轧制压下和低速板的通过,如果需要,可以重复该次通过多次。 特别是,在最后的轧制过程之前执行固溶加热通道,或者通过利用加热装置5和冷却装置6将刚刚开始轧制之前的轧制材料温度控制为未再结晶的奥氏体范围或铁素体范围, 或至少在最后的轧制过程中,对轧制材料1施加热轧油,或者将未再结晶奥氏体范围的累积压下率设为> 50%,致密地> 60%,以防止粗化 的轧制材料1中的冶金结构结晶。
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公开(公告)号:KR101804949B1
公开(公告)日:2017-12-05
申请号:KR1020160149993
申请日:2016-11-11
Applicant: 동국제강주식회사
CPC classification number: B21B37/74 , B21B1/163 , B21B2201/02 , B21B2201/04
Abstract: 본발명은연신율과항복비가우수한철근의냉각제어방법에관한것으로, 철근제조에사용되는철근용빌렛의 TTT(Time-Temperature-Transformation) 다이어그램을작성하는 TTT 다이어그램작성단계, 상기 TTT 다이어그램작성단계에서작성된 TTT 다이어그램을이용하여해당철근의 A3 온도, A1온도, 베이나이트시작온도, A3 상변태시작시간, 종료시간을도출하는제어인자도출단계, 상기제어인자도출단계에서도출된제어인자를이용하여압연된철근압연체를베이나이트생성시작온도이하에서베이나이트생성시작온도이상으로복열시킬수 있는냉각조건을설정하는냉각조건설정단계를포함하여압연공정후 철근의냉각조건을설정하고, 설정된냉각조건을철근의제조공정에적용하도록철근의연신율을높이고, 항복비를낮춰철근의품질을크게향상시킬수 있다.
Abstract translation: 本发明涉及一种用于优异的增强伸长率和成品率,在TTT图创建步骤中创建的冷却控制方式,在钢筋制备被用来创建用于增强创建TTT(时间 - 温度 - 转变)钢坯的图TTT图的步骤 使用TTT图,A1温度的加强的A3温度,贝氏体开始温度,A3相变的开始时间,用于导出一个终止时间控制因数导出步骤,滚动通过使用从所述导出步骤导出的控制参数和控制因子增强 到冷却状态设定步骤,设定冷却条件sikilsu双列贝氏体产生开始温度比低于贝氏体产生开始温度滚动件设置钢筋的冷却条件轧制过程之后,并设定冷却条件下,生产增强的步骤 通过降低屈服比可以提高钢筋的伸长率并改善钢筋的质量。
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公开(公告)号:KR100442035B1
公开(公告)日:2004-10-06
申请号:KR1019960049895
申请日:1996-10-30
Applicant: 에스엠에스 시마그 악티엔게젤샤프트
IPC: B21B1/26
CPC classification number: C21D9/60 , B21B1/24 , B21B1/26 , B21B1/463 , B21B1/466 , B21B31/10 , B21B45/004 , B21B2013/003 , B21B2201/02 , B21B2201/04 , C21D8/0226 , C21D8/0426 , C21D2211/001 , Y02P10/253
Abstract: The installation incorporates shears (3) located between a continuous casting installation (1) and an equalization furnace (2), as well as further shears (3) and a descaling unit (7) located between the equalization furnace and a rolling section (4). A heating or cooling unit (9) is located between the rolling section and a strip coiler. Cooling units (8) are located between the individual quarto stands (6) forming the continuously operating rolling section. The strip coiler takes the form of a double coiler (11).
Abstract translation: 该设备包括位于连铸设备(1)和均衡炉(2)之间的剪刀(3),以及位于均衡炉和轧制部分(4)之间的另外的剪切机(3)和除鳞单元(7) )。 加热或冷却单元(9)位于轧制部分和带材卷取机之间。 冷却单元(8)位于形成连续运行的轧制部分的各个四分之一机架(6)之间。 带卷取机采用双卷取机(11)的形式。
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公开(公告)号:KR100424528B1
公开(公告)日:2004-05-20
申请号:KR1019960034992
申请日:1996-08-23
Applicant: 에스엠에스 시마그 악티엔게젤샤프트
IPC: B21B1/22
CPC classification number: B21B1/26 , B21B1/28 , B21B1/466 , B21B2201/04
Abstract: The appts. (1) for producing flat rolled products (2, 7) consists of a multi-stand rolling section (3), an exit roller conveyor (4) with cooling units (9) and a coiling machine (5). The coiling machine is preceded by a compact rolling section (7) made up of one or several rolling stands for rolling thin strips (7). Also claimed is a method for operating such an installation comprising continuous, joint operation of the two rolling sections (3, 6) in such a way that parts of a hot strip (2) are located simultaneously in both sections.
Abstract translation: 应用程序。 (2,7)由多机架轧制部分(3),带冷却单元(9)的出口辊式输送机(4)和卷取机(5)组成。 卷绕机之前是由一个或多个用于轧制薄带(7)的轧制机架组成的紧凑轧制部分(7)。 还要求保护一种用于操作这种设备的方法,该设备包括两个轧制部分(3,6)的连续的联合操作,使得热轧带材(2)的部分同时位于两个部分中。
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