专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2006150400A Continuously cast slab and producing method therefor, and method for producing hot rolled steel plate 有权
标题翻译：连续铸造钢板及其生产方法，以及生产热轧钢板的方法
公开(公告)号：JP2006150400A
公开(公告)日：2006-06-15
申请号：JP2004344162
申请日：2004-11-29
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： MUTO AKIFUMI
IPC分类号： B22D11/128 , B21B1/26
摘要： PROBLEM TO BE SOLVED: To restrain the development of surface flaw near the edge part of a hot-rolled steel plate obtained by applying a hot-rolling to a continuously cast slab produced with a continuous caster without bringing about a special increase of a process load.
SOLUTION: In a long side 5 direction of the cast slab 1 which casts into a mold in the continuous caster and has almost rectangular cross section of the long side 5 and the short side 7, two edge parts positioned at both sides of the center part 1a are not rolled down and the cast slab 1 is drawn out while guiding with the plurality of support roll pairs. In such a way, the continuously cast slab 1 having the almost rectangular cross section of the long side 5 and the short side 7 and provided with the center part 1a including the center 2 in this long side 5 direction and the edge parts 1b at both sides of the center part 1a, is produced so that an average thickness α of the center part 1a in the long side 5 direction and thicknesses β
1 , β
2 of the edge parts at the position separating 10-20mm from the edge surfaces in the long side 5 direction of the edge parts 1b, satisfy the relation (α-β
1 )≥4mm and (α-β
2 )≥4mm.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了抑制通过对连续铸造机生产的连续铸造板坯进行热轧而获得的热轧钢板的边缘部附近的表面缺陷的发展，而不会特别增加一个过程负载。解决方案：在连续铸造机中铸造成模具的铸坯1的长边5方向上，具有长边5和短边7几乎矩形的横截面，位于两侧的两个边缘部分中心部分1a不被卷起，并且铸造板1在与多个支撑辊对一起引导的同时被拉出。以这种方式，具有长边5和短边7几乎矩形截面的连铸坯1，并且在该长边5方向上设置有包括中心2的中心部分1a和两个边缘部分1b 制造中心部分1a的侧面，使得中心部分1a在长边5方向上的平均厚度α和边缘的厚度β 1 ，β 2 与边缘部1b的长边5方向的边缘面分离10〜20mm的位置的部分满足关系式（α-β 1 ）≥4mm，（α-β 2 ）≥4mm。版权所有（C）2006，JPO＆NCIPI

2. 发明专利

JP2005169477A Method for continuously casting steel 有权
标题翻译：连续铸钢的方法
公开(公告)号：JP2005169477A
公开(公告)日：2005-06-30
申请号：JP2003415219
申请日：2003-12-12
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KATO TORU , MUTO AKIFUMI
IPC分类号： B22D11/10 , B22D11/00 , B22D41/50 , B22D41/54 , C04B35/101
摘要： PROBLEM TO BE SOLVED: To provide a method for continuously casting steel by which the sticking of alumina etc., on the inner surface of an immersion nozzle is reliably prevented and a cast slab having good surface quality can be obtained. SOLUTION: In the method for continuously casting extra-low carbon steel, at least part of the inner surface of the immersion nozzle for supplying the molten steel from a tundish into a mold is constituted of a refractory containing alumina and graphite as the main components. While supplying the electric power from the immersion nozzle into the molten steel stream in the inner part, the continuous casting is performed. The potential difference between the immersion nozzle and the ground is made to be 0.5 to 5.0 V. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种连续铸造钢的方法，通过该方法可以可靠地防止在浸入式喷嘴的内表面上附着氧化铝等，并且可以获得具有良好表面质量的铸坯。解决方案：在连续铸造超低碳钢的方法中，用于将钢水从中间包供给到模具中的浸渍喷嘴的内表面的至少一部分由含有氧化铝和石墨的耐火材料构成主要成分。在将来自浸入式喷嘴的电力供给到内部的钢水流中的同时，进行连续铸造。浸入式喷嘴与地面之间的电位差为0.5〜5.0V。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2003073771A Cold-rolled steel sheet and manufacturing method therefor 有权
标题翻译：冷轧钢板及其制造方法
公开(公告)号：JP2003073771A
公开(公告)日：2003-03-12
申请号：JP2001270810
申请日：2001-09-06
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： SASAME KINGO , NAKAI SHUJI , MUTO AKIFUMI
IPC分类号： B22D11/00 , B22D11/18 , B22D11/20 , C22C38/00 , C22C38/16
摘要： PROBLEM TO BE SOLVED: To provide a high-strength cold rolled steel sheet, which has superior surface quality as well as superior corrosion resistance, and hence is stably employed for a steel sheet for a skin plate of automobiles, and provide a manufacturing method therefor.
SOLUTION: The cold-rolled steel sheet has a steel composition including 0.010% or less C, 0.1% or less Si, 0.50% or less Mn, 0.10% or less P, 0.030% or less S, 0.50% or less Cu, 0.002-0.10% Ti, 0.08% or less sol.Al, 0.0080% or less N, and 0.30% or less Ni, and has 1.4 or less of a ratio of P concentration in a P segregated part, which is formed in one-sixth part of the sheet thickness inward from the surface along the short-transverse direction, to P concentration in the whole area in a short-transverse direction.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种具有优异的表面质量和优异的耐腐蚀性的高强度冷轧钢板，因此稳定地用于汽车皮板的钢板，并提供其制造方法。解决方案：冷轧钢板具有包括0.010％以下的C，0.1％以下的Si，0.50％以下的Mn，0.10％以下的P，0.030％以下的S，0.50％以下的Cu，0.002 -0.10％Ti，0.08％以下的sol.Al，0.0080％以下的N和0.30％以下的Ni，并且在六分之一中形成的P偏析部分中的P浓度的比例为1.4以下从表面沿短横方向向内的板厚的一部分，在短横方向的整个区域的P浓度。

4. 发明专利

JP2004330256A Method of continuous casting of steel 审中-公开
公开(公告)号：JP2004330256A
公开(公告)日：2004-11-25
申请号：JP2003130797
申请日：2003-05-08
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KATO TORU , MUTO AKIFUMI , TSUKAGUCHI YUICHI
IPC分类号： B22D11/11 , B22D11/00 , B22D11/10 , B22D27/02 , B22D41/58
摘要： PROBLEM TO BE SOLVED: To provide a continuous casting method that prevents oxide or the like from depositing to the inner surface of a submerged nozzle and that makes it possible to manufacture slabs having a superior surface quality.
SOLUTION: The steel continuous casting method is such that part or all of the inner surface of the submerged nozzle is composed of refractory having electroconductivity at a temperature of steel melting point or above, that the inner surface of the refractory is coated with an antioxidant having SiO
2 as the main component and a melting point of 800°C or higher, and that casting is performed while an electric current is supplied through the refractory to a molten steel flowing inside the submerged nozzle. In the case of dead soft steel containing less than 0.005 mass% C, the effect of reducing depositions is great. Also, it is desirable that a 5 to 15 NL/min gas is blown into the molten steel, and that the submerged nozzle is energized as a negative potential.
COPYRIGHT: (C)2005,JPO&NCIPI

5. 发明专利

JP2003071559A Slide gate provided with gas blowing in function 有权
标题翻译：滑动门提供气功功能
公开(公告)号：JP2003071559A
公开(公告)日：2003-03-11
申请号：JP2001264227
申请日：2001-08-31
申请人： Sumitomo Metal Ind Ltd , Toshiba Ceramics Co Ltd , 住友金属工業株式会社 , 東芝セラミックス株式会社
发明人： MUKOYAMA KENICHI , KAWAI SHUJI , MASUDA TAKESHI , KAWASHIMA TERUHISA , MUTO AKIFUMI
IPC分类号： B22D11/10 , B22D41/42
摘要： PROBLEM TO BE SOLVED: To provide a slide gate provided with a function of gas flowing in, capable of preventing the solidification of a molten metal stagnating in a nozzle hole, and surely effecting natural opening of a hole in opening of the hole.
SOLUTION: In the slide gate provided with the function of the gas blowing-in, wherein a gas blowing-in brick 9 passed through with many pores 8 for blowing-in gas into a nozzle hole of a stationary plate 3 is insertion-fit in an insertion-fitting hole 7 under the condition that a nozzle hole 5 of a movable plate 6 making slide-contact linearly with a sliding face 4 of the lower face of the stationary plate is completely closed by a sliding face of the stationary plate, the pores are arranged so that the gas blowing-in direction is made to direct to the inner periphery face of the nozzle hole of the stationary plate, and to form an angle of 5-75° against a perpendicular L to the sliding face.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供具有气体流动功能的滑动门，其能够防止在喷嘴孔中滞留的熔融金属凝固，并且可靠地实现孔的打开孔的自然开放。解决方案：在具有气体吹入功能的滑动门中，其中穿过许多用于吹入气体的孔8的气体吹入砖9插入到固定板3的喷嘴孔中，在与静止板的下表面的滑动面4线性地滑动接触的可动板6的喷嘴孔5被固定板的滑动面完全封闭的情况下，插入安装孔7，孔被布置成使得气体吹入方向被引导到固定板的喷嘴孔的内周面，并形成5-75度的角度。相对于滑动面的垂直线L.

6. 发明专利

JP2004025203A Method for continuously casting molten steel 有权
公开(公告)号：JP2004025203A
公开(公告)日：2004-01-29
申请号：JP2002182034
申请日：2002-06-21
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KATO TORU , HARA MASASHI , DOI KYOJI , MUTO AKIFUMI
IPC分类号： B22D11/10 , B22D11/00 , B22D41/60
摘要： PROBLEM TO BE SOLVED: To provide a continuous casting method by which clogging of a submerged nozzle can be prevented while supplying electric current into molten steel from the submerged nozzle and low-cost operation and facility are realized. SOLUTION: In the method for continuously casting the molten steel, at least the inner surface of the submerged nozzle 7 is constituted of a refractory having good electric conductivity at a temperature of not lower than the melting point of the steel and the casting is performed while supplying the electric current into the molten steel stream flowing in the inner part from this refractory, In the method, a nozzle holding holder 9 is fitted to the outer periphery of the submerged nozzle, and the submerged nozzle and the nozzle holding holder are disposed in a nozzle holding device 20 which holds the submerged nozzle so as to come in close cotact with a tundish 1. Then, an electrode 11 is brought into contact with the refractory having good electric conductivity so as to penetrate the nozzle holding holder or through the nozzle holding holder to supply the electric current to the refractory having good electric conductivity. COPYRIGHT: (C)2004,JPO

7. 发明专利

JP2011246767A Bake-hardenable cold rolled steel sheet and method for producing the same 有权
标题翻译：耐磨可变冷轧钢板及其制造方法
公开(公告)号：JP2011246767A
公开(公告)日：2011-12-08
申请号：JP2010121435
申请日：2010-05-27
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： FURUHASHI SEIJI , NISHIO TAKUYA , MUTO AKIFUMI
IPC分类号： C22C38/00 , B21B3/00 , C21D9/46 , C22C38/06 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a cold rolled steel sheet which has a low yield stress before being press formed and has excellent press formability as a result and which has an increased yield stress by heat treatment after press formed and therefore exhibits satisfactory dent resistance, and to provide a method for producing the cold rolled steel sheet.SOLUTION: The cold rolled steel sheet has a chemical composition containing, by mass, 0.0005 to
摘要翻译：要解决的问题：提供一种在压制成型之前具有低屈服应力的冷轧钢板，并且由此具有优异的冲压成型性，并且通过加压成形后的热处理具有增加的屈服应力，因此显示出令人满意的耐凹陷性，并提供冷轧钢板的制造方法。＆lt;解决方案＆gt;冷轧钢板的化学组成为：以质量计含有C：0.0005〜0.030％的Si，0.01％的Mn，0.05〜2.0％的Mn，0.005〜0.06％的P，≤0.020％的S，0.0005〜 0.08％sol.Al和≤0.005％N，余量为Fe与杂质，冷轧钢板具有铁素体面积率≥90％，粒径≤0.20μm的MnS的钢结构数量≤10％，清洁度d≤0.05％，机械性能满足屈服比≤75％。版权所有（C）2012，JPO＆INPIT

8. 发明专利

JP2007009235A Steel sheet with excellent workability, and its manufacturing method 有权
标题翻译：具有优异工作性能的钢板及其制造方法
公开(公告)号：JP2007009235A
公开(公告)日：2007-01-18
申请号：JP2005187652
申请日：2005-06-28
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： MUTO AKIFUMI , KIKUCHI SUKEHISA , HANAO MASAFUMI
IPC分类号： C22C38/00 , B22D11/108 , C22C38/06 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide an extra low carbon steel sheet having excellent workability and formability and used for automobiles, home electric appliances, etc., and also to provide a method for continuously casting ultra low carbon steel.
SOLUTION: (1)The steel sheet is a cold rolled steel sheet which has a composition containing ≤0.015% C, ≤2.0% Si, ≤2.0% Mn, ≤0.2% P, ≤0.020% S, 0.005 to 1.0% sol.Al, ≤0.015% N and the balance Fe with impurities, wherein the number of alumina inclusions of ≥1 μm average grain size existing in a depth region between the surface of the steel sheet and a position at a depth of {(steel-sheet thickness (mm)/continuously-cast-slab thickness (mm))×5}(mm) in a direction of the central part of thickness is ≤500 pieces/mm
2 . It is desirable that the value of a ratio between average C content in the above depth region from the surface and average C content in the remaining portion of the thickness is ≤1.3. (2)In the continuous casting method, steel having the above component composition is cast using a mold flux in which the ratio of CaO/SiO
2 is ≥1.0 and ≤2.0% Na
2 O is contained. It is desirable to remove the surface layer part of the cast slab over a depth of ≥1 mm.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有优异的可加工性和成形性的超低碳钢板，用于汽车，家用电器等，并且还提供连续铸造超低碳钢的方法。（1）钢板是含有≤0.015％C，≤2.0％Si，≤2.0％Mn，≤0.2％P，≤0.020％S，0.005〜1.0％的组成的冷轧钢板％sol.Al，≤0.015％N，余量为Fe与杂质，其中在钢板表面和深度Å之间的深度区域存在≥1μm平均粒径的氧化铝夹杂物的数量（钢板厚度（mm）/连续铸坯厚度（mm））×5}（mm）在厚度中心部的方向为≤500件/ mm 2 。理想的是，表面上述深度区域中的平均C含量与厚度的剩余部分中的平均C含量之比≤1.3。（2）在连续铸造法中，使用CaO / SiO 2 SB 2比例≥1.0和≤2.0％Na＆lt; SB＆gt; 2＆lt; / SB> O。期望在≥1mm的深度上去除铸坯的表面层部分。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2004291034A Method for continuously casting molten steel 有权
公开(公告)号：JP2004291034A
公开(公告)日：2004-10-21
申请号：JP2003087796
申请日：2003-03-27
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： MUTO AKIFUMI , YAMAZOE HIROAKI , KATO TORU
IPC分类号： B22D11/10 , B22D11/18
摘要： PROBLEM TO BE SOLVED: To provide a method for continuously casting molten steel which prevents deposition of Aluminum oxides or the like in the molten steel on an inner surface of a dipping nozzle, and prevents generation of defects.
SOLUTION: In the method for continuously casting molten steel, an upper nozzle provided on a bottom part of a tundish to store molten steel, a flow control mechanism to control the flow of the stored molten steel to be fed to a mold, and a dipping nozzle to distribute the fed molten steel are provided, an inner surface in contact with the molten steel of any one of the upper nozzle, the flow control mechanism, and the dipping nozzle is formed of electric-conductive refractory at the temperature not lower than the melting point of steel, and the molten steel is cast while energizing the molten steel flowing inside these members. A gas blow-in unit is provided on one or two or more of the upper nozzle, the flow control mechanism, and the dipping nozzle so that the flow rate Qg (N1/min) of blown-in inert gas satisfies the formula (a), where T.[O] in the formula denotes the total oxygen concentration (ppm) in molten steel. In addition, the flow rate Qg of inert gas is preferably limited to be ≥ 10N1/min.
COPYRIGHT: (C)2005,JPO&NCIPI

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式