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1. 发明公开

EP1942203A4 STEEL PRODUCT USABLE AT LOW TEMPERATURE AND METHOD FOR PRODUCTION THEREOF 有权转让
标题翻译：低温合适的钢产品及其制造方法
公开(公告)号：EP1942203A4
公开(公告)日：2012-12-26
申请号：EP06702620
申请日：2006-01-13
申请人： SUMITOMO METAL IND
发明人： FUJIWARA KAZUKI , KAWABATA TOMOYA , OKAGUCHI SHUJI , ARIMOCHI KAZUSHIGE
IPC分类号： C22C38/00 , C21D1/25 , C21D6/00 , C21D7/13 , C21D8/02 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08
CPC分类号： C22C38/02 , C21D1/25 , C21D6/008 , C21D7/13 , C21D8/02 , C21D2211/001 , C21D2211/003 , C22C38/001 , C22C38/04 , C22C38/06 , C22C38/08

2. 发明专利

AU2003204959A1 A wear resistant steel 未知
公开(公告)号：AU2003204959A1
公开(公告)日：2004-01-29
申请号：AU2003204959
申请日：2003-06-27
申请人： SUMITOMO METAL IND
发明人： KAWABATA TOMOYA , KATSUMOTO HIROSHI
IPC分类号： C22C38/04 , C22C38/18 , C22C38/22 , C22C38/38

3. 发明专利

JP2011245522A Structure of welded joint of steel 有权
标题翻译：焊接接头结构
公开(公告)号：JP2011245522A
公开(公告)日：2011-12-08
申请号：JP2010121935
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： HIRAYAMA HIROMI , FUKUDA KOJI , KAWABATA TOMOYA
IPC分类号： B23K9/23 , B23K9/00 , B23K9/028 , B23K103/04
摘要： PROBLEM TO BE SOLVED: To provide the structure of the welded joint of steel having higher strength than the strength of the joint which is determined from the material strength of a weld zone, wherein the applicable to job-site execution is possible and there is no need for special welding technique and technical skill, by providing a soft joint which is low in cost and is mitigated in conditions of post heating control, welding heat input and inter-pass temperature, mainly about a welded joint part of ultra-high-strength steel.SOLUTION: The structure 1 of the welded joint includes: first steel 2; second steel 3; the joint weld zone 4; and a first reinforcing member 5 and second reinforcing member 6, for reinforcing the joint weld zone 4. The material strength of weld metal 7 in the joint weld zone 4 is smaller than any material strength of the first steel 2 and the second steel 3, the first reinforcing member 5 is brought into contact with and joined with the surface 4a on one side of the joint weld zone 4 through the weld metal 7, and also the second reinforcing member 6 is joined with the surface 4b of the other side of the joint weld zone 4. The material strength of the first reinforcing member 5, the second reinforcing member 6 and the material strength of the weld metal 7 are smaller than any material strength of the first steel 2 and the second steel 3.
摘要翻译：要解决的问题：提供具有比由焊接区的材料强度确定的接头强度更高的强度的钢的焊接接头的结构，其中适用于作业现场执行是可能的，并且不需要特殊的焊接技术和技术技能，通过提供成本低且在后加热控制，焊接热输入和通过温度的条件下减轻的软接头，主要涉及超临界焊接接头部分，高强度钢。解决方案：焊接接头的结构1包括：第一钢2; 第二钢3; 焊接区4; 以及用于加强接合焊接区域4的第一加强构件5和第二加强构件6.焊接区域4中的焊接金属7的材料强度小于第一钢2和第二钢3的任何材料强度，第一加强构件5通过焊接金属7与接合焊接区4的一侧的表面4a接触并与其接合，并且第二加强构件6与第二加强构件5的另一侧的表面4b接合接合焊接区域4.第一加强构件5，第二加强构件6的材料强度和焊接金属7的材料强度小于第一钢2和第二钢3的任何材料强度。（C）2012，JPO＆INPIT

4. 发明专利

JP2011219849A Thick steel plate for ultra-low temperature and method for producing the same 有权
标题翻译：用于超低温的厚钢板及其制造方法
公开(公告)号：JP2011219849A
公开(公告)日：2011-11-04
申请号：JP2010093449
申请日：2010-04-14
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KAWABATA TOMOYA , KAMO TAKAHIRO , SAKAIBORI HIDEO , KUBO SATOSHI , OKUBO TAKESHI , SUZUKI SHUICHI
IPC分类号： C22C38/00 , C21D8/02 , C22C38/08 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a thick steel plate for ultra-low temperature having brittle fracture occurrence suppression properties after strain aging at a low cost.SOLUTION: There are provided the thick steel plate for ultra-low temperature and a method for producing the thick steel plate which has excellent brittle fracture occurrence suppression properties after strain aging, and has a composition comprising, by mass%, 0.01 to 0.12% C, 0.01 to 0.3% Si, 0.4 to 2.0% Mn, ≤0.05 P, ≤0.008% S, >5.0 to
摘要翻译：要解决的问题：提供一种低成本的应变时效后的具有脆性断裂发生抑制特性的超低温的厚钢板。提供了用于超低温的厚钢板和生产厚钢板的方法，其在应变时效后具有优异的脆性断裂发生抑制特性，并且具有以质量％计含有0.01〜 0.12％C，0.01〜0.3％Si，0.4〜2.0％Mn，≤0.05P，≤0.008％S，5.0〜10.0％Ni，0.002〜0.05％Al和≤0.005％N，余量为Fe与杂质其特征在于，板厚的（1/4）t的位置处的残留γ的量为≥3.0体积％，并且由高角度晶界包围的结构单元中的当量圆的直径的平均值通过EBSP法以2000倍的倍率观察到的≥15°在板厚的（1/4）t的位置处为≤5.5μm，此外，在一个测量点之间的相邻测量点之间的取向误差的平均值GAM 通过EBSP法以10000倍的倍率观察到的晶粒度为≥0.85°。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2010174357A Thick steel plate and method for producing the same 有权
标题翻译：厚钢板及其制造方法
公开(公告)号：JP2010174357A
公开(公告)日：2010-08-12
申请号：JP2009021094
申请日：2009-02-02
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KUBO SATOSHI , KAWABATA TOMOYA , OKUBO TAKESHI , SAKAIBORI HIDEO
IPC分类号： C22C38/00 , C21D8/02 , C22C38/12 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a thick steel plate in which toughness in the plate thickness direction is satisfactory, and jumping energy cost is suppressed, and which can be inexpensively produced. SOLUTION: The thick steel plate has a composition comprising, by mass, 0.01 to 0.12% C, ≤0.50% Si, 0.4 to 2.0% Mn, ≤0.05% P, ≤0.008% S, 0.003 to 0.10% Nb, 0.002 to 0.05% Al and ≤0.010% N, and the balance Fe with impurities, and in which the value of [(9.238×C 0.5 )×(1+0.64×Si)×(1+4.1×Mn)×(1+0.27×Cu)×(1+0.5×Ni)×(1+2.33×Cr)×(1+3.14×Mo)] satisfies ≤25. Further, the ratio of ferrite having the average crystal grain size of >3 to 20 μm and the average aspect ratio of ≤4 occupied in a microstructure is ≥80%. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决的问题：为了提供板厚方向的韧性良好的厚钢板，能够降低跳跃能量成本，能够廉价地制造。解决方案：厚钢板具有质量分数为0.01〜0.12％的C，≤0.50％的Si，0.4〜2.0％的Mn，≤0.05％的P，≤0.008％的S，0.003〜0.10％的Nb， 0.002〜0.05％的Al和≤0.010％的N，余量为Fe与杂质，其中[（9.238×C 0.5 ）×（1 + 0.64×Si）×（1+ 4.1×Mn）×（1 + 0.27×Cu）×（1 + 0.5×Ni）×（1 + 2.33×Cr）×（1 + 3.14×Mo）]满足≤25。此外，平均结晶粒径> 3〜20μm的铁素体与微观结构中所占的平均纵横比≤4的比例≥80％。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2010047816A Steel sheet less in welding deformation 有权
标题翻译：焊接变形中的钢板缺陷
公开(公告)号：JP2010047816A
公开(公告)日：2010-03-04
申请号：JP2008215025
申请日：2008-08-25
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KAWABATA TOMOYA , NAKAMURA HIROSHI , OKAGUCHI HIDEJI , ARIMOCHI KAZUSHIGE
IPC分类号： C22C38/00 , C21D8/02 , C22C38/12 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a steel sheet capable of inexpensively and securely suppressing welding deformation in a fillet welding.
SOLUTION: The steel sheet less in welding deformation has a chemical composition containing, by mass, 0.0005 to
摘要翻译：要解决的问题：提供一种能够廉价且可靠地抑制角焊中的焊接变形的钢板。解决方案：焊接变形少的钢板具有以质量计含有0.0005〜0.02％的C，0.01〜0.7％的Si，0.1〜5％的Mn，≤0.05％的P，≤0.008％的S， 0.02〜0.3％的Nb，0.003〜0.1％的Al，≤0.01％的N和0.0005〜0.004％的B，余量为Fe与杂质，具有贝氏体组织为≥80％的金属组织，其中贝氏硬度通过维氏硬度为150至250。钢板还可以包含选自Ti，Cu，Ni，Cr，Mo，V，Zr，Ca，Mg和稀土金属中的一种或多种。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2010047815A Steel sheet less in welding deformation 有权
标题翻译：焊接变形中的钢板缺陷
公开(公告)号：JP2010047815A
公开(公告)日：2010-03-04
申请号：JP2008214998
申请日：2008-08-25
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KAWABATA TOMOYA , NAKAMURA HIROSHI , ARIMOCHI KAZUSHIGE
IPC分类号： C22C38/00 , C21D8/02 , C22C38/38 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a steel sheet capable of inexpensvely and securely suppressing welding deformation in a fillet welding. SOLUTION: The steel sheet having reduced welding deformation has a chemical composition containing, by mass, 0.02 to 0.25% C, 0.01 to 0.7% Si, 0.3 to 2% Mn, ≤0.05% P, ≤0.008% S, 1 to 2.5% Cr, ≤0.05% Mo, 0.005 to 0.1% Nb, 0.003 to 0.1% Al and ≤0.01% N, and the balance Fe with impurities, and has a metallic structure composed of a ferritic structure of 10 to 60% and a bainitic structure and/or a martensitic structure of 40 to 90%, and in which the average grain size of the ferritic structure is ≤30 μm and the ratio between the hardness of the bainitic structure and/or martensitic structure and the hardness of the ferritic structure is ≥1.5. The steel sheet may further comprise one or more kinds selected from Ti, Cu, Ni, V, B, Zr, Ca, Mg and rare earth metals. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够廉价且可靠地抑制焊接中的焊接变形的钢板。解决方案：具有减小的焊接变形的钢板具有以质量计含有0.02〜0.25％的C，0.01〜0.7％的Si，0.3〜2％的Mn，≤0.05％的P，≤0.008％的S，1 至2.5％Cr，≤0.05％Mo，0.005-0.1％Nb，0.003-0.1％Al和≤0.01％N，余量为Fe与杂质，并且具有由10％至60％的铁素体组成的金属结构和贝氏体组织和/或马氏体组织为40〜90％，其中铁素体组织的平均粒径≤30μm，贝氏体组织和/或马氏体组织的硬度与硬度之比铁素体结构≥1.5。钢板还可以包含选自Ti，Cu，Ni，V，B，Zr，Ca，Mg和稀土金属中的一种或多种。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2005171300A High tensile steel for high heat input welding, and weld metal 有权
标题翻译：高强度输入焊接用高强度钢和焊接金属
公开(公告)号：JP2005171300A
公开(公告)日：2005-06-30
申请号：JP2003410621
申请日：2003-12-09
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KAWABATA TOMOYA , FUJIWARA TOMOYA , NAKAMURA HIROSHI , OKAGUCHI HIDEJI , ARIMOCHI KAZUSHIGE , KAMO TAKAHIRO
IPC分类号： B23K9/23 , B23K9/00 , B23K35/30 , C22C38/00 , C22C38/16 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide high tensile steel in which impact value at -56°C is ≥80 J in a HAZ (heat affected zone) and is ≥50 J in a weld metal zone even if high heat input submerge arc welding of ≥150 kJ/cm is performed, and to provide a weld metal.
SOLUTION: The high tensile strength steel has a composition comprising ≤0.07% C, ≤0.30% Si, 1.0 to 2.0% Mn, 0.04 to 0.10% sol.Al, 0.0020 to 0.010% N, 0.005 to 0.020% Ti and 0.0005 to 0.005% B, and the balance Fe with inevitable impurities, and in which the value of ARM expressed by formula (1) is 40 to 80: ARM=197-1,457C-1,140sol.Al+11,850N-316(Pcm-C) (1). The weld metal has a composition comprising ≤0.12% C, ≤0.30% Si, 1.0 to 2.0% Mn, 0.01 to 0.05% total Al, 0.0020 to 0.010% N, 0.01 to 0.04% O, 0.005 to 0.020% Ti and 0.002 to 0.008% B, and in which the value of ARW expressed by formula (2) is ≥50: ARW=145×B/N+142×f(Al/O)-140 (2).
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供在HAZ（热影响区）中-56℃下的冲击值≥80J的高强度钢，并且在焊接金属区域中≥50J，即使高热输入淹没进行≥150kJ/ cm的电弧焊接，并提供焊接金属。解决方案：高拉伸强度钢具有包括≤0.07％C，≤0.30％Si，1.0-2.0％Mn，0.04-0.10％sol.Al，0.0020-0.010％N，0.005-0.020％Ti和 0.0005〜0.005％B，余量为不可避免的杂质，其中由式（1）表示的ARM值为40〜80：ARM = 197-1477-11140溶胶.Al + 11,850N-316（Pcm -C）（1）。焊接金属的组成包括≤0.12％C，≤0.30％Si，1.0-2.0％Mn，0.01-0.05％总Al，0.0020-0.010％N，0.01-0.04％O，0.005-0.020％Ti和0.002- 0.008％B，其中由式（2）表示的ARW的值为≥50：ARW = 145×B / N + 142×f（Al / O）-140（2）。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2001064745A HIGH TENSILE STRENGTH STEEL PRODUCT EXCELLENT IN ECONOMICAL EFFICIENCY AND TOUGHNESS 失效
公开(公告)号：JP2001064745A
公开(公告)日：2001-03-13
申请号：JP24008499
申请日：1999-08-26
申请人： SUMITOMO METAL IND
发明人： KAWABATA TOMOYA
IPC分类号： C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To obtain a steel product suited to structural members for a structure constructed by welding performance by providing a steel product which has a specific composition free from Al and B and having respectively specified Ceq, C content, and Si content and also has a ferritic/bainitic structure. SOLUTION: The high tensile strength steel product has a steel composition which consists of, by weight, 0.03-0.10% C, 0.10-0.40% Si, 0.6-2.0% Mn, 0.05-1.6% Cr, 0.005-0.1% Nb, 0.005-0.1% Ti, and the balance Fe and is practically free from Al and B and further contains, if necessary, one or more kinds among

10. 发明专利

JPH0949025A PRODUCTION OF UOE STEEL PIPE EXCELLENT IN COLLAPSING RESISTANCE 失效
公开(公告)号：JPH0949025A
公开(公告)日：1997-02-18
申请号：JP20079595
申请日：1995-08-07
申请人： SUMITOMO METAL IND
发明人： KAWABATA TOMOYA , KAWAGUCHI YOSHIAKI
IPC分类号： B21D39/08 , C21D8/08 , C21D9/08
摘要： PROBLEM TO BE SOLVED: To develop the technique of improving a collapse strength to be applied economically and technically while executing apipe expanding work to a UOE steel pipe. SOLUTION: In the pipe expanding process of the UOE steel pipe, a steel stock is heated in the temp. range from 150 deg.C to Ac1 point by an electrically heating method, and after confirming that the steel stock reaches a desired temp. over the whole thickness, this steel storch is plastically deformed and held for >=5min as it is, and the temp. thereof is lowered to a room temp.

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