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1. 发明专利

JP2010059476A Hot dip galvanized steel sheet and method for producing the same 有权
标题翻译：热镀锌钢板及其制造方法
公开(公告)号：JP2010059476A
公开(公告)日：2010-03-18
申请号：JP2008226066
申请日：2008-09-03
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： HAGA JUN , NISHI TAKAYUKI , FURUHASHI SEIJI
IPC分类号： C22C38/00 , C21C7/00 , C21C7/04 , C21C7/06 , C21C7/10 , C21D9/48 , C22C38/14 , C22C38/58 , C23C2/06
摘要： PROBLEM TO BE SOLVED: To provide a hot dip galvanized steel sheet which is satisfactory in surface properties without any stripe patterns, and has excellent press formability.
SOLUTION: The surface of a steel sheet having a chemical composition containing, by mass%, C, Si, Mn, P, S, sol.Al, N, sol.Ti, Nb and O in prescribed amount ranges, and in which te contents of the sol.Ti and Nb satisfy the following equations (1) to (3), and the balance Fe with impurities, and in which the content of Ti oxides in oxide inclusions is ≥50.0% expressed in terms of TiO
2 and the content of Nb oxides is * /48+Nb/93)/(C/12+N
* /14)(1), Ti
* =max[sol.Ti-(48/14)×N, O](2) and N
* max[N-(14/48)×sol.Ti, O] (3), wherein, the symbols of elements in the respective equations denote the contents of the respective elements by mass%, and max[] represents the function returning the maximum value of argument in the brackets[].
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种在没有任何条纹图案的情况下表面性能令人满意的热浸镀锌钢板，并且具有优异的压制成形性。解决方案：具有以质量％计含有规定量范围的C，Si，Mn，P，S，sol.Al，N，sol.Ti，Nb和O的化学组成的钢板的表面，其中sol.Ti和Nb的te含量满足以下等式（1）至（3），余量为Fe与杂质，其中氧化物夹杂物中的Ti氧化物的含量为≥50.0％，以TiO 的Nb氧化物的含量为<1.0％，设有热浸镀锌层：1.0 <（Ti * SP / 48 + Nb / 93 ）/（C / 12 + N * / 14）（1），Ti * = max [sol.Ti-（48/14）×N，O] 2）和N * max [N-（14/48）×sol.Ti，O]（3），其中，各个等式中的元素的符号表示各个元素的内容，质量％，max []表示在括号[]中返回参数最大值的函数。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2008214700A High-strength cold rolled steel sheet, high-strength galvannealed steel sheet, and method for manufacturing them 有权
标题翻译：高强度冷轧钢板，高强度钢筋钢板及其制造方法
公开(公告)号：JP2008214700A
公开(公告)日：2008-09-18
申请号：JP2007054511
申请日：2007-03-05
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： FURUHASHI SEIJI , HAGA JUN , NISHI TAKAYUKI
IPC分类号： C22C38/00 , C21D9/46 , C22C38/38 , C22C38/58 , C23C2/06
摘要： PROBLEM TO BE SOLVED: To provide a high-strength cold rolled steel sheet of tensile strength ≥340 MPa and high-strength plated steel sheet having the excellent surface appearance demanded for an outer panel for automobiles, extremely high r value in a 45° direction with respect to a rolling direction and excellent press formability, and to provide a method for manufacturing them.
SOLUTION: The high-strength cold rolled steel sheet has a chemical composition containing, by mass%, 0.005 to 0.025% C, ≤0.2% Si, 0.3 to 2.5% Mn, ≤0.15% P, ≤0.2% S, ≤0.06% N, 45 ) in a 45° direction with respect to the rolling direction is ≥1.80 and/or the average r value (r
m ) is ≥1.60 and the tensile strength is ≥340 MPa.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：待解决的问题：为了提供拉伸强度≥340MPa的高强度冷轧钢板和要求用于汽车外板的优异表面外观的高强度电镀钢板，在相对于轧制方向为45°的方向和优异的冲压成形性，并提供其制造方法。解决方案：高强度冷轧钢板具有以质量％计含有0.005〜0.025％C，≤0.2％Si，0.3〜2.5％Mn，≤0.15％P，≤0.2％S， ≤0.06％N，<0.005％sol.Al，0.005〜0.05％Ti，0.020〜0.200 Nb，Nb和Ti（Nb / Ti）含量的质量比≥2，由Fe和不可避免的平衡组成相对于轧制方向的45°方向的r值（r 45 ）为≥1.80的平均值（r m ） ≥1.60，拉伸强度≥340MPa。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2005187878A Joined article for electrodeposition coating, its production method, and automobile body 有权
标题翻译：用于电沉积涂层的加工物品及其制造方法和汽车体
公开(公告)号：JP2005187878A
公开(公告)日：2005-07-14
申请号：JP2003430503
申请日：2003-12-25
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： TAKAHASHI KATSU , NAKADA MASAHIRO , FUJIMOTO HIRONORI , FURUHASHI SEIJI , NAKAGAWA HIROYUKI
IPC分类号： B21D22/02 , B23K11/11 , C25D13/12
摘要： PROBLEM TO BE SOLVED: To provide a joined article for electrodeposition coating in which the coating properties of electrodeposition coating in the joints are extremely satisfactory, and with which the rust preventability of a product requiring rust preventing performance at high level such as an automobile body can be further improved, to provide its production method, and to provide an automobile body using the joined article for electrodeposition.
SOLUTION: The joined article for electrodeposition is obtained by joining at least two stocks 12 and 13 for joining in a lapped state, and is produced in such a manner that at least one stock 12 for joining in the two stocks for joining is subjected to emboss working to form projection parts 2a, thereafter, the projection parts 2a formed by the emboss working are subjected to press working so as to be pressed to form indentations 2a-1, the two stocks 12 and 13 for joining are overlapped via the indentations 2a-1, and joining is performed at the parts where prescribed clearance is secured by the indentations 2a-1.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种电沉积涂层的接合制品，其中接合处的电沉积涂层的涂层性能非常令人满意，并且要求防锈性能高的产品的防锈性如可以进一步改善汽车车身，提供其制造方法，并且使用用于电沉积的接合件来提供汽车车身。＆lt; P＆gt;解决方案：通过将至少两个用于连接成型的坯料12和13连接在一起的方式获得用于电沉积的接合制品，并且以这样的方式制造，使得用于连接两个用于接合的坯料的至少一个坯料12是进行压花加工以形成突出部分2a，此后，通过压花加工形成的突起部分2a进行加压加压以形成凹痕2a-1，用于接合的两个坯料12和13经由凹痕2a-1，并且通过凹部2a-1确保规定的间隙的部分进行接合。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2003080351A Continuous casting method 审中-公开
标题翻译：连续铸造方法
公开(公告)号：JP2003080351A
公开(公告)日：2003-03-18
申请号：JP2001271378
申请日：2001-09-07
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： FURUHASHI SEIJI
IPC分类号： B22D11/10 , B22D11/114 , B22D11/115 , B22D11/116 , B22D11/117
摘要： PROBLEM TO BE SOLVED: To provide a continuous casting method which can remove small oxides in a molten steel.
SOLUTION: Continuous casting is performed by using a tundish 1 having a molten steel receiving part 4 and a molten steel feeding part 5, and a flow passage 6 for connecting these parts, and provided with an electromagnetic force generator 7 capable of giving the rotational magnetic field to an outer circumferential part of the flow passage under the condition that a maximum turning speed Vr (m/s) of the molten steel obtained by the formula (a) Vr=0.95×R×B×{(σ×N/ρ)
1/2 , and the axial section average speed Vo (m/s) of the molten steel obtained by the formula (b) Vo=W/(ρ×π×R
2 ) by using the passing flow speed W(kg/s) of the molten steel satisfy the inequality (c) Vr/Vo>10, where R is the radius (m) of the inside of the flow passage with the molten steel flowing therethrough, B is the magnetic flux density (T) at the axial center part of the flow passage, σ is the electric conductivity (S/m) of the molten steel, N is the number of revolutions (rpm) of the magnetic flux density, and ρ is the density (kg/m
3 ) of the molten steel.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供可以去除钢水中的小氧化物的连续铸造方法。解决方案：通过使用具有钢水接收部分4和钢水供给部分5的中间包1和用于连接这些部分的流动通道6进行连续铸造，并且设置有能够产生旋转磁体的电磁力发生器7 在通过公式（a）获得的钢水的最大转速Vr（m / s）Vr = 0.95×R×B×（σ×N /ρ）的条件下，流向流路的外周部）（b）Vo = W /（ρ×π×R 2）获得的钢水的轴向截面平均速度Vo（m / s）通过使用通过流速W （kg / s）满足不等式（c）Vr / Vo> 10，其中R是流道内部的流动通道的半径（m），B是磁通密度（ T），σ是钢水的电导率（S / m），N是磁通密度的转数（rpm） ty，ρ是钢水的密度（kg / m 3）。

5. 发明专利

JP2012020322A Method for producing continuously cast slab for hot dip galvannealed steel sheet 有权
标题翻译：生产用于热镀锌钢板的连续铸造钢板的方法
公开(公告)号：JP2012020322A
公开(公告)日：2012-02-02
申请号：JP2010160780
申请日：2010-07-15
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： OTA KOZO , FURUHASHI SEIJI , ENDO TAKATOMO , KURIMOTO HIDENORI
IPC分类号： B22D11/00 , C22C38/00 , C22C38/14 , C23C2/06
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a continuously cast slab for a hot dip galvannealed steel sheet in which, when a continuously cast slab used for producing a hot dip galvannealed extra-low carbon Ti-containing IF (Interstitial Free) steel sheet is produced, which prevents both stripe unevenness and scabs generated at the surface.SOLUTION: A molten steel having a composition satisfying [mass%C]≤0.004%, 0.004 mass%≤[mass%S]≤0.015 mass%, 0.01 mass%≤[mass%Ti]≤0.10 mass% and [mass%N]≤0.004 mass%, and in which the amount of solid solution Ti expressed by the following formula lies in the range of -0.005 mass% to 0.020 mass% is electromagnetically stirred in a continuous casting mold, and the average density of the total number of inclusions and pinholes in which the size per number within 10 mm of the surface layer in the slab is ≥0.005 mmis controlled to ≤7.0×10pieces/mm: [mass%Ti]=[mass%Ti]-48×([mass%N]/14+[mass%S]/32). Both the scabs and the stripe unevenness in a hot dip galvannealed extra-low carbon Ti-containing IF steel sheet can be consistently improved.
摘要翻译：要解决的问题：提供一种用于制造热浸镀锌合金化钢板的连续铸造板坯的方法，其中当用于制造热浸镀锌合金镀锌的含低碳Ti的IF（间隙免费）钢板，其防止在表面产生的条纹不均匀和痂。＆lt; P＆gt;解决方案：具有满足[质量％C]≤0.004％，0.004质量％≤[质量％S]≤0.015质量％，0.01质量％≤[质量％Ti]≤0.10质量％质量％N]≤0.004质量％，其中在连续铸模中电磁搅拌下述式表示的固溶Ti的含量在-0.005质量％至0.020质量％的范围内，平均密度板坯表层10mm以内的每个数量大于0.005mm 2 的夹杂物和针孔的总数被控制为≤7.0×10 - 4 件/ mm 3 ：[质量％Ti * ] = [质量％的Ti] -48×（[质量％N] / 14 + [质量％S] / 32）。浸渍合金化热浸镀锌超低碳Ti的IF钢板中的疤痕和条纹不均匀性可以得到持续改善。版权所有（C）2012，JPO＆INPIT

6. 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

7. 发明专利

JP2011202274A Steel sheet, hot-dip galvanized steel sheet, and those manufacturing method 有权
标题翻译：钢板，热镀锌钢板及其制造方法
公开(公告)号：JP2011202274A
公开(公告)日：2011-10-13
申请号：JP2011043908
申请日：2011-03-01
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： HAGA JUN , NISHI TAKAYUKI , FURUHASHI SEIJI
IPC分类号： C22C38/00 , C21C7/04 , C21C7/10 , C21D9/48 , C22C38/14 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a steel sheet having good surface performance and excellent press-moldability.SOLUTION: The steel sheet contains, by mass, ≥0.0005 and 0.020% Si, wherein the content of sol. Ti and Nb has a chemical composition with the content of C and N which satisfies a specific relation, the content of Ti oxide is ≥50.0% in terms of TiOand the content of Nb oxide is
摘要翻译：要解决的问题：提供具有良好的表面性能和优异的压模成型性的钢板。解决方案：钢板以质量％≥0.0005和<0.010％C，≤0.40％Si，≤2.50％Mn，≤0.10 ％P，<0.010％S，<0.0050％sol.Al，≤0.005％N，≤0.20％sol.Ti，≥0.010％和≤0.20％Nb和≤0.015％O，≥0.003％sol.Ti或> 0.020 ％Si，其中溶胶的含量。 Ti和Nb具有满足特定关系的C和N含量的化学组成，Ti的含量以TiO计为50％以上，Nb氧化物的含量以氧化物NbO计为1.0质量％基于包容。

8. 发明专利

JP2011153368A High-strength hot dip galvannealed steel sheet having excellent adhesion, and method for producing the same 有权
标题翻译：具有优异粘合性的高强度热镀锌钢板及其制造方法
公开(公告)号：JP2011153368A
公开(公告)日：2011-08-11
申请号：JP2010017001
申请日：2010-01-28
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： ISHIGAKI HAJIME , KAWANISHI YOSHIHIRO , FURUHASHI SEIJI , HAYASHI KOTARO , NOMURA SHIGEKI
IPC分类号： C23C2/02 , C21D1/76 , C21D9/46 , C22C38/00 , C22C38/06 , C22C38/58 , C23C2/06
摘要： PROBLEM TO BE SOLVED: To provide a high-strength hot dip galvannealed steel sheet having excellent adhesion, which has excellent flaking properties and surface properties, and is particularly suitable for press forming of an automotive body and in particular, for application requiring complicated forming. SOLUTION: The hot dip galvannealed steel sheet is obtained by providing the surface of a base metal steel sheet having a chemical composition comprising 0.03 to 0.20% C, 0.03 to 3.0% Mn, 0.1 to 2.5% Si, ≤0.01% S, ≤0.1% P, ≤1.0% sol.Al and ≤0.01% N with a hot dip galvannealing layer having an Fe concentration of 7 to 15% at least on one side, and in which crystals having fine pores of ≤1 μm within the crystal grains on the surface of the base metal steel sheet from which the hot dip galvannealing layer is dissolved away with acid are present on the surface layer part of the base metal steel sheet by ≥30% in an area ratio. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异粘附性的高强度热浸镀锌合金化钢板，其具有优异的剥离性能和表面性能，并且特别适用于汽车车身的冲压成型，特别是用于需要复杂的成型。解决方案：通过提供具有0.03〜0.20％C，0.03〜3.0％Mn，0.1〜2.5％Si，≤0.01％S的化学组成的贱金属钢板的表面，得到热浸镀锌合金化钢板，≤0.1％P，≤1.0％sol.Al和≤0.01％N，至少在一侧具有Fe浓度为7至15％的热浸镀合金层，其中具有≤1μm的细孔的晶体在贱金属钢板表面上浸渍有浸渍合金化热浸镀层的表面上的晶粒以面积比存在于贱金属钢板的表层部上，为30％以上。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2010059475A Hot dip galvanized steel sheet and method for producing the same 有权
标题翻译：热镀锌钢板及其制造方法
公开(公告)号：JP2010059475A
公开(公告)日：2010-03-18
申请号：JP2008226065
申请日：2008-09-03
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： HAGA JUN , NISHI TAKAYUKI , FURUHASHI SEIJI
IPC分类号： C22C38/00 , C21C7/00 , C21C7/04 , C21C7/06 , C21C7/10 , C21D9/48 , C22C38/14 , C22C38/58 , C23C2/06
摘要： PROBLEM TO BE SOLVED: To provide a hot dip galvanized steel sheet which is satisfactory in surface properties without any stripe patterns, and has excellent press formability.
SOLUTION: The surface of a steel sheet having a chemical composition containing, by mass, C, Si, Mn, P, S, sol.Al, N, sol.Ti, Nb and O within predetermined ranges, in which the contents of sol.Ti and Nb satisfy the following equations (1) to (3), and the balance Fe with impurities, and in which the content of Ti oxides in oxide inclusions is ≥50.0% expressed in terms of TiO
2 and the content of Nb oxides is * /48+Nb/93)/(C/12+N
* /14)(1), Ti
* =max[sol.Ti-(48/14)×N, O](2) and N
* =max[N-(14/48)×sol.Ti, O](3), the symbols of elements in the respective equations denote the contents of the respective elements by mass% and the max[] represents the function returning the maximum value of the argument in the brackets[].
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种在没有任何条纹图案的情况下表面性能令人满意的热浸镀锌钢板，并且具有优异的压制成形性。解决方案：具有以质量计含有C，Si，Mn，P，S，sol.Al，N，sol.Ti，Nb和O的化学组成的钢板的表面在预定范围内，其中 sol.Ti和Nb的含量满足下述式（1）〜（3），余量为Fe的杂质，其中氧化物夹杂物中的Ti氧化物的含量以TiO 2表示为≥50.0％，以NbO表示的Nb氧化物的含量<1.0％设有热镀锌层：1.0 <（Ti * / SP + / 48 + Nb / 93）/（C / 12 + N * / 14）（1），Ti * = max [sol.Ti-（48/14）×N，O]（2） * = max [N-（14/48）×sol.Ti，O]（3），各方程式的元素符号以质量％表示各元素的含量，最大值 []表示在括号[]中返回参数的最大值的函数。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2010059474A Hot dip galvanized steel sheet and method for producing the same 有权
标题翻译：热镀锌钢板及其制造方法
公开(公告)号：JP2010059474A
公开(公告)日：2010-03-18
申请号：JP2008226064
申请日：2008-09-03
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： HAGA JUN , NISHI TAKAYUKI , FURUHASHI SEIJI
IPC分类号： C22C38/00 , C21C7/00 , C21C7/04 , C21C7/06 , C21D9/46 , C22C38/14 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a hot dip galvanized steel sheet which is satisfactory in surface property without causing any stripe pattern, and has excellent press-formability. SOLUTION: The surface of a steel sheet having a chemical composition containing, by mass, 0.0005 to 0.020 to 0.40% Si, ≤2.50% Mn, ≤0.10% P, 2 and the content of Nb oxides is COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种表面性能良好而不引起任何条纹图案的热浸镀锌钢板，并且具有优异的压制成形性。解决方案：具有以质量计含有0.0005至0.010％C，> 0.020至0.40％Si，≤2.50％Mn，≤0.10％P，<0.010％S， 0.0050％sol.Al，≤0.005％N，0.003〜0.020％sol.Ti，0.010〜0.20％Nb，≤0.015％O，其中sol.Ti和Nb的含量控制在规定范围内，余量含有杂质的Fe，其中氧化物夹杂物中的Ti氧化物的总量以TiO 2表示为≥50.0％，并且以NbO表示的Nb氧化物的含量<1.0％被提供热镀锌层。版权所有（C）2010，JPO＆INPIT

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