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1. 发明专利

JP2006159262A Welded joint and welding material 审中-公开
标题翻译：焊接接头和焊接材料
公开(公告)号：JP2006159262A
公开(公告)日：2006-06-22
申请号：JP2004355614
申请日：2004-12-08
申请人： Sumitomo Metal Ind Ltd , Tokyo Electric Power Co Inc:The , 住友金属工業株式会社 , 東京電力株式会社
发明人： OGAWA KAZUHIRO , TAKEDA KIYOKO , KOUSU TAKAHIRO , ANADA HIROYUKI , SUZUKI SHUNICHI , TAKAMORI KENRO , OKI TAKASHI
IPC分类号： B23K35/30 , B23K9/00 , B23K9/23 , B23K103/04 , C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a welded joint in which a weld metal has excellent stress corrosion cracking resistance, and to provide a welding material suitably used for producing the same.
SOLUTION: The austenitic weld metal has a composition comprising, by mass, ≤0.03% C, ≤1.0% Si, 0.1 to 2.0% Mn, 15 to 22% Cr, 8 to 12% Ni, 0 to 3% Mo and 0.001 to 0.15% N, and the balance Fe with impurities, and, in the impurities, the content of P is ≤0.04% and the content of S is 0.03%, and further, the value of FP expressed by following formula (1) lies in the range from -3 to 0: formula (1) is FP=Ni+30C+20N+0.5Mn-1.1Cr-1.32Mo-1.65Si+9 (1); wherein, the atomic symbols in formula denote the content (mass%) of each element. The welded joint is suitably used in a high temperature pure water environment of nuclear power generation equipment.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供焊接金属具有优异的抗应力腐蚀开裂性的焊接接头，并提供适合用于制造焊接材料的焊接材料。解决方案：奥氏体焊接金属具有以质量％计含有0.03％C，≤1.0％Si，0.1％至2.0％Mn，15％至22％Cr，8％至12％Ni，0％至3％Mo 和0.001〜0.15％的N，余量为Fe的杂质，杂质中的P含量为0.04％以下，S含量为0.03％，另外，由下式（1）表示的FP值）在-3至0的范围内：公式（1）为FP = Ni + 30C + 20N + 0.5Mn-1.1Cr-1.32Mo-1.65Si + 9（1）; 其中，式中的原子符号表示各元素的含量（质量％）。焊接接头适用于核能发电设备的高温纯水环境。版权所有（C）2006，JPO＆NCIPI

2. 发明专利

JP2006161114A Austenitic stainless steel material and weld joint thereof 审中-公开
标题翻译：奥氏体不锈钢材料及其焊接接头
公开(公告)号：JP2006161114A
公开(公告)日：2006-06-22
申请号：JP2004355615
申请日：2004-12-08
申请人： Sumitomo Metal Ind Ltd , Tokyo Electric Power Co Inc:The , 住友金属工業株式会社 , 東京電力株式会社
发明人： TAKEDA KIYOKO , OGAWA KAZUHIRO , ANADA HIROYUKI , KANZAKI MANABU , SUZUKI SHUNICHI , TAKAMORI KENRO , OKI TAKASHI
IPC分类号： C22C38/00 , B23K9/00 , B23K9/23 , B23K103/04 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide an austenitic stainless steel material which can prevent stress corrosion cracking that occurs in a work hardened layer or a HAZ at the surface of a steel material used for equipment, a pipeline and the like in a nuclear power plant or the like, and to provide a weld joint thereof.
SOLUTION: (1) The austenitic stainless steel material comprises 0.10% or less C, 1.5% or less Si, 0.1-2.0% Mn, 20-35% Cr, 18-65% Ni, 0-3% Mo, 0.001-0.15% N, and the balance Fe with impurities among which P is 0.05% or less and S is 0.05% or less; and has a work-hardened layer in the surface layer harder than that in a wall center part by 50 or higher by Vickers hardness. (2) The weld joint of the austenitic stainless steel includes the austenitic stainless steel material having the above composition as a base metal and the work hardened layer and has the hardened layer in a welded heat affected zone in the surface of the base metal, which is harder than that of a wall center part of the base metal by 50 or higher by Vickers hardness.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种奥氏体不锈钢材料，其可以防止在用于设备，管道等的钢材表面的工作硬化层或HAZ中发生的应力腐蚀开裂发电厂等，并提供其焊接接头。（1）奥氏体不锈钢材料含有0.10％以下的C，1.5％以下的Si，0.1〜2.0％的Mn，20-35％的Cr，18-65％的Ni，0-3％的Mo， 0.001-0.15％N，余量为Fe，杂质为P为0.05％以下，S为0.05％以下。并且通过维氏硬度将表面层中的硬化层比壁中心部分的硬化层硬化50以上。（2）奥氏体不锈钢的焊接接头包括具有上述组成的奥氏体不锈钢材料作为基底金属和加工硬化层，并且在贱金属的表面的焊接热影响区域中具有硬化层，比维氏硬度的基础金属的壁中心部分的硬度要高50或更高。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2012200778A Welded joint of austenitic stainless steel 有权
标题翻译：奥氏体不锈钢焊接接头
公开(公告)号：JP2012200778A
公开(公告)日：2012-10-22
申请号：JP2011069424
申请日：2011-03-28
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KOUSU TAKAHIRO , TAKEDA KIYOKO , YOKOYAMA TETSUO , ANADA HIROYUKI , TOYODA JINJU
IPC分类号： B23K35/30 , C22C38/00 , C22C38/58 , G21C19/02
摘要： PROBLEM TO BE SOLVED: To provide a welded joint of an austenitic stainless steel, which has superior intergranular corrosion resistance and weld crack resistance.SOLUTION: In the welded joint of an austenitic stainless steel, when an SUS310 series stainless steel including Nb and/or V and having excellent intergranular corrosion resistance is welded, the chemical composition in the initial layer part of a weld metal obtained by using welding material comprising ≤0.03% C, ≤0.65% Si, 1.0 to 2.5% Mn, 19.5 to 25% Cr, 9 to 14% Ni, 0 to 0.75% Mo, 0 to 0.75% Cu, ≤0.1% N, ≤0.03% P and ≤0.03% S, and the balance Fe with impurities contains one or two kinds of ≤0.026% C, 0.2 to 0.65% Si, 0.01 to 2% Mn, 19.5 to 25.5% Cr, 9 to 17.5% Ni, ≤0.75% Mo, 0 to 0.75% Cu, ≤0.07% N, ≤0.03% P, ≤0.002% S, ≤0.1% Nb and ≤0.15% V, and the balance comprises Fe and impurities.
摘要翻译：要解决的问题：提供具有优异的晶间耐腐蚀性和耐焊缝裂纹性的奥氏体不锈钢的焊接接头。解决方案：在奥氏体不锈钢的焊接接头中，当焊接包含Nb和/或V的SUS310系列不锈钢并且具有优异的耐晶间腐蚀性时，焊接金属的初始层部分中的化学成分由使用包括≤0.03％C，≤0.65％Si，1.0-2.5％Mn，19.5-25％Cr，9-14％Ni，0-0.75％Mo，0-0.75％Cu，≤0.1％N，≤ 0.03％P和≤0.03％S，余量为Fe的杂质含有≤0.026％C，0.2〜0.65％Si，0.01〜2％Mn，19.5〜25.5％Cr，9〜17.5％Ni， ≤0.75％的Mo，0〜0.75％的Cu，≤0.07％的N，≤0.03％的P，≤0.002％的S，≤0.1％的Nb和≤0.15％的V，余量包括Fe和杂质。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2005023343A Austenitic stainless steel pipe for atomic power 有权
标题翻译：用于原子力的奥氏体不锈钢管
公开(公告)号：JP2005023343A
公开(公告)日：2005-01-27
申请号：JP2003187694
申请日：2003-06-30
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： SAGARA MASAYUKI , TAKEDA KIYOKO , IGARASHI MASAAKI , ANADA HIROYUKI
IPC分类号： G21C5/00 , C22C38/00 , C22C38/58 , G21D1/00
CPC分类号： Y02E30/40
摘要： PROBLEM TO BE SOLVED: To provide a stainless steel pipe for an atomic power plant having superior intergranular stress-corrosion-cracking resistance in a high-temperature pure water environment, by reducing stress generation in a surface layer of a pipe wall.
SOLUTION: The austenitic stainless steel pipe comprises 15-30% Cr, 8-30% Ni, 0.001-0.1% C, 0.1-1.0% Si, 0.1-2.0% Mn, 0.05% or less P, 0.05% or less S, 0.001-0.15% N and the balance Fe with impurities. The steel pipe also has a structure which comprises crystal grains with an average size number of 2 or less in JIS G0551 in a surface layer at least 0.2 mm deep from a face contacting with a corrosive fluid, and crystal grains with the average size number of 7 or more in JIS G0551 in the inner layer at least 1 mm or deeper from the face contacting with the corrosive fluid. Furthermore, the steel pipe may include one or more elements among 0.05-3.0% Mo, each of 0.001 to 1.0% V, Nb, Ti and Zr, and 0.0003-0.010% Ca.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：通过减少管壁表面层中的应力产生，提供在高温纯水环境中具有优异的晶间应力 - 耐腐蚀开裂性的原子能发电厂用不锈钢管。解决方案：奥氏体不锈钢管包含15-30％Cr，8-30％Ni，0.001-0.1％C，0.1-1.0％Si，0.1-2.0％Mn，0.05％或更少P，0.05％或少S，0.001-0.15％N，余量Fe与杂质。该钢管还具有如下结构：在与腐蚀性液体接触面至少0.2mm深的表面层中，JIS G0551中的平均粒径为2以下的晶粒，平均粒径为在内层中的JIS G0551中，从与腐蚀性液体接触的面至少1毫米以上的深度为7以上。此外，钢管可以包括0.05〜3.0％的Mo，0.001〜1.0％的V，Nb，Ti，Zr和0.0003〜0.010％的Ca中的1种以上。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2007197821A Austenitic stainless steel 有权
标题翻译：奥氏体不锈钢
公开(公告)号：JP2007197821A
公开(公告)日：2007-08-09
申请号：JP2006342245
申请日：2006-12-20
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： SAGARA MASAYUKI , HIROHATA NORIAKI , KUREISHI SATORU , ANADA HIROYUKI , TAKEDA KIYOKO , IGARASHI MASAAKI
IPC分类号： C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide an austenitic stainless steel having remarkably excellent stress corrosion cracking resistance and suitable as a structural member for a feed water heater or the like in a nuclear power generation plant or a thermal power generation plant.
SOLUTION: The austenitic stainless steel has a composition comprising, by mass,
摘要翻译：要解决的问题：提供具有显着优异的耐应力腐蚀开裂性的奥氏体不锈钢，并且适合作为核发电厂或火力发电厂中的给水加热器等的结构部件。解决方案：奥氏体不锈钢具有以下组成：质量<0.03％C，<1.0％Si，1.2〜2.5％Mn，≤0.04％P，≤0.02％S，15〜25％Cr，6 至15％Ni，0.2至1.0％Mo，0.05至1.0％Cu和0.03至0.3％N，余量为铁与杂质。除了上述组分之外，钢还可以包含0.005至0.1％的Ti和0.01至0.2％VV的任一种或两种。期望地，Mn含量满足不等式（1），其中Mo≥（46/3）×C，不等式（1）中的每个元素符号表示元素的含量（质量％）。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2006183082A WELD JOINT OF HIGH-Cr STEEL AND WELDING MATERIAL THEREFOR 有权
标题翻译：高铬钢及其焊接材料的焊接接头
公开(公告)号：JP2006183082A
公开(公告)日：2006-07-13
申请号：JP2004376644
申请日：2004-12-27
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： OGAWA KAZUHIRO , TAKEDA KIYOKO , KOUSU TAKAHIRO , ANADA HIROYUKI
IPC分类号： C22C38/00 , B23K35/30 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a weld joint of which the weld metal has superior stress-corrosion cracking resistance, and to provide a welding material suitable for use in producing it.
SOLUTION: The weld joint is made from an austenitic weld metal which comprises, by mass%, 0.03% or less C, 1.0% or less Si, 0.1-2.0% Mn, 22-28% Cr, more than 12% but 22% or less Ni, 0-3% Mo, 0.001-0.15% N and the balance Fe with impurities in which P is 0.04% or less and S is 0.03%, while further controlling a value FP shown by the following expression (1): FP=Ni+30C+20N+0.5 Mn-1.1Cr-1.32Mo-1.65Si+9, (wherein symbols of elements show contents (mass%) of each element), into a range of -3 to 0. The weld joint is suitable for use in a high-temperature pure-water environment of a nuclear power plant.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供焊接金属具有优异的抗应力腐蚀开裂性的焊接接头，并提供适于用于生产焊接材料的焊接材料。焊接接头由奥氏体焊接金属制成，以质量％计含有0.03％以下的C，1.0％以下的Si，0.1〜2.0％的Mn，22〜28％的Cr，12％但为22％以下的Ni，0〜3％的Mo，0.001-0.15％的N，余量为Fe，其中P为0.04％以下且S为0.03％的杂质，同时进一步控制如下式所示的值FP 1）：FP = Ni + 30C + 20N + 0.5Mn-1.1Cr-1.32Mo-1.65Si + 9（其中元件符号表示各元素的含量（质量％））在-3〜0的范围内。焊缝适用于核电厂的高温纯水环境。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2005023357A Welded joint obtained by using stainless steel having excellent welding workability 有权
标题翻译：焊接接头采用不锈钢，具有良好的焊接工作性能
公开(公告)号：JP2005023357A
公开(公告)日：2005-01-27
申请号：JP2003188314
申请日：2003-06-30
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： TAKEDA KIYOKO , IGARASHI MASAAKI , ANADA HIROYUKI , OGAWA KAZUHIRO
IPC分类号： B23K9/23 , C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a welded joint obtained by using stainless steel having excellent welding workability.
SOLUTION: In the welded joint, a base metal consists of stainless steel having a composition comprising, by mass, 0.001 to 0.10% C, 0.1 to 1.0% Si, 0.1 to 2.0% Mn, 0.05 to 1.0% Cu, 15 to 30% Cr, 8 to 30% Ni and 0.001 to 0.15% N, and the balance Fe with impurities (≤0.05% P and ≤0.05% S), and a weld metal consists of steel in which the ratio of δferrite Nd is ≤10%, and also satisfying the inequality (1) of Cu(%)≤(2/Nd)
2/3 +0.2. The welded joint may further comprise any element belonging to one or more groups selected from the group of Mo(0.05 to 3.0%), the group of one or more kinds selected from Ti, Nb, V and Zr (0.001 to 0.5%), and the group of Ca (0.0003 to 0.010%).
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供通过使用具有优异的焊接加工性的不锈钢获得的焊接接头。解决方案：在焊接接头中，贱金属由不锈钢构成，其组成包括质量为0.001〜0.10％的C，0.1〜1.0％的Si，0.1〜2.0％的Mn，0.05〜1.0％的Cu，15 至30％的Cr，8〜30％的Ni和0.001〜0.15％的N，余量为Fe与杂质（≤0.05％P，≤0.05％S），焊接金属由以下的钢组成：δ铁素体钕的比例 ≤10％，也满足Cu（％）≤（2 / Nd） 2/3 +0.2的不等式（1）。焊接接头还可以包含属于选自Mo（0.05〜3.0％），选自Ti，Nb，V和Zr（0.001〜0.5％）中的一种或多种的一种或多种基团的任何元素，和Ca（0.0003〜0.010％）组。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2004190103A Austenitic stainless steel 有权
公开(公告)号：JP2004190103A
公开(公告)日：2004-07-08
申请号：JP2002360728
申请日：2002-12-12
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： TAKEDA KIYOKO , KAJIMURA HARUHIKO , MIYAHARA MITSUO
IPC分类号： C22C38/00 , C22C38/34 , C22C38/42 , C22C38/44 , C22C38/48 , C22C38/58
CPC分类号： C22C38/004 , C22C38/001 , C22C38/34 , C22C38/42 , C22C38/44 , C22C38/48 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide an austenitic stainless steel of which the shape changes little caused by heating-cooling treatment after cold working.
SOLUTION: The austenitic stainless steel has a composition comprising ≤0.03% C, 2 to 4% Si, 0.1 to 2% Mn, ≤0.03% P, ≤0.03% S, 9 to 15% Ni, 15 to 20% Cr, 0.02 to 0.2% N, ≤0.03% Nb, and one or two kinds of metals selected from Mo and Cu by 0.2 to 4% in total, and the balance Fe with impurities, and satisfying inequality (1): 16.9+6.9Ni+12.5Cu-1.3Cr+3.2Mn+9.3Mo-205C-38.5N-6.5Si-120Nb≥40 and inequality (2): 450-440(C+N)-12.2Si-9.5Mn-13.5Cr-20(Cu+Ni)-18.5Mo≤-90. The steel also has satisfactory weldability when inequality (3): 8.2+30(C+N)+0.5Mn+Ni-1.1(1.5Si+Cr+Mo)+2.5Nb≤-0.8 is satisfied.
COPYRIGHT: (C)2004,JPO&NCIPI

9. 发明专利

JP2005023353A Austenitic stainless steel for high temperature water environment 审中-公开
标题翻译：用于高温水环境的奥氏体不锈钢
公开(公告)号：JP2005023353A
公开(公告)日：2005-01-27
申请号：JP2003188042
申请日：2003-06-30
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： IGARASHI MASAAKI , TAKEDA KIYOKO , KANZAKI MANABU , SAGARA MASAYUKI , ANADA HIROYUKI
IPC分类号： C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide austenitic stainless steel which has resistance to corrosion causing intergranular fracture in a high temperature water environment.
SOLUTION: The austenitic stainless steel for a high temperature water environment has a fundamental chemical composition shown by ≤0.050% C, ≤0.9% Si, 0.01 to 2.0% Mn, ≤0.05% P, ≤0.01% S, 15 to 30% Cr, 5.0 to 40% Ni, ≤0.10% Al, and 0.001 to 0.140% N (wherein, C+N≤0.140%), and also comprises W and Mo in the following ranges: 0.5%≤W≤2.5%, 1.0 to 3.0% Mo, and also, 1/2≤W/Mo≤5/6 (1), or 2.5%
摘要翻译：要解决的问题：提供在高温水环境中具有耐腐蚀性的晶间断裂的奥氏体不锈钢。
解决方案：用于高温水环境的奥氏体不锈钢的基本化学成分为≤0.050％C，≤0.9％Si，0.01〜2.0％Mn，≤0.05％P，≤0.01％S，15〜 30％Cr，5.0〜40％Ni，≤0.10％Al和0.001〜0.140％N（其中，C +N≤0.140％），还包括W和Mo在以下范围内：0.5％≤W≤2.5％，1.0〜3.0％的Mo，还有1 /2≤W/Mo≤5/ 6（1），或2.5％

10. 发明专利

JP2005015899A Stainless steel for nuclear power use, and its manufacturing method 有权
标题翻译：用于核电的不锈钢及其制造方法
公开(公告)号：JP2005015899A
公开(公告)日：2005-01-20
申请号：JP2003185767
申请日：2003-06-27
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KANZAKI MANABU , IGARASHI MASAAKI , TAKEDA KIYOKO , ANADA HIROYUKI
IPC分类号： C21D8/00 , C22C38/00 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide stainless steel having excellent intergranular corrosion resistance and most suitably used for pipes, structural materials and component parts for use in nuclear power plants.
SOLUTION: The stainless steel for nuclear power use has a composition consisting of, by mass, 0.001 to 0.10% C, 0.1 to 1.0% Si, 0.1 to 2.0% Mn, 8 to 30% Ni, 15 to 30% Cr, 0.001 to 0.15% N, ≤0.05% P, ≤0.05% S and the balance Fe with impurities and also has a structure in which the proportion of random grain boundaries of ≥50° orientation difference in grain boundaries exceeds 20%. Its manufacturing method is also provided. In the stainless steel for nuclear power use, it is desirable to incorporate 0.05 to 3.0% Mo in order to further improve corrosion resistance, and moreover, 0.0003 to 0.010% Ca can be incorporated to improve hot workability.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供具有优异的耐晶间腐蚀性的不锈钢，最适合用于核电站中的管道，结构材料和部件。解决方案：用于核电的不锈钢具有质量为0.001〜0.10％的Si，0.1〜1.0％的Si，0.1〜2.0％的Mn，8〜30％的Ni，15〜30％的Cr ，0.001〜0.15％的N，≤0.05％的P，≤0.05％的S，余量为Fe的杂质，并且具有晶粒边界≥50°取向差的随机晶界比例超过20％的结构。还提供其制造方法。在用于核电的不锈钢中，为了进一步提高耐腐蚀性，优选掺入0.05〜3.0％的Mo，此外，可以引入0.0003〜0.010％的Ca以提高热加工性。版权所有（C）2005，JPO＆NCIPI

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