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1. 发明专利

JP2012092377A High-tensile strength steel, and method of manufacturing the same 有权
标题翻译：高强度钢及其制造方法
公开(公告)号：JP2012092377A
公开(公告)日：2012-05-17
申请号：JP2010239212
申请日：2010-10-26
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KUBO SATOSHI , FUJIWARA TOMOYA , KAMO TAKAHIRO
IPC分类号： C22C38/00 , C21D8/02 , C22C38/38
摘要： PROBLEM TO BE SOLVED: To provide a high-tensile strength steel inexpensively, which is excellent in strength and toughness of a base material, HAZ toughness and SSC resistance.SOLUTION: The high-tensile strength steel has a chemical composition including by mass%: 0.10 to 0.20% C; 0.02 to 0.25% Si; 0.7 to 1.6% Mn; ≤0.02 P; ≤0.008% S; 0.5 to 1.2% Cr; 0.1 to
摘要翻译：要解决的问题：为了提供廉价的高强度钢，其基材的强度和韧性优异，HAZ韧性和耐SSC性。解决方案：高强度钢具有质量％：0.10〜0.20％C的化学组成; 0.02〜0.25％Si; 0.7〜1.6％Mn; ≤0.02P; ≤0.008％S; 0.5〜1.2％Cr; 0.1〜0.3％Mo; 0.004〜0.025％Ti; 0.0005〜0.003％B; 0.01〜0.05％Al; ≤0.01％N; 并将Fe与不可避免的杂质平衡。从下式（1）得到的钢的F 1 的值为4.0-6.0，F 2 由下式（2）得到的钢是14.0〜19.0。在该钢中，板的1/4厚度位置的（100）面的X射线反射强度比≤1.5。公式（1）：F 1 =（1 + 2.33Cr）×（1 + 3.14Mo）和公式（2）：F = 7.90℃ 1/2 ×（1 + 0.64Si）×（1 + 4.10Mn）其中各元素符号表示每个元素版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2012052224A Steel material excelling in toughness of weld heat-affected zone 有权
标题翻译：焊接材料在焊接热影响区域的韧性
公开(公告)号：JP2012052224A
公开(公告)日：2012-03-15
申请号：JP2011168873
申请日：2011-08-02
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： SHINTAKU YOSHIAKI , HAMADA MASAHIKO , NISHI TAKAYUKI , OKAYAMA ATSUSHI , YOSHIDA NAOTADA , FUJIWARA TOMOYA , KAMIMURA TAKAYUKI , YUKI HIDEAKI , KAJIMA KAZUYUKI
IPC分类号： C22C38/00 , C22C38/14 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a steel material excelling in toughness of a weld heat-affected zone.SOLUTION: This steel material excelling in toughness of a weld heat-affected zone contains, by mass, 0.01-0.2% of C, 0.005-0.15% of Si, 0.3-2.5% of Mn, ≤0.05% of P, ≤0.008% of S, 0.0005-0.0030% of Al, ≤0.010% of N and 0.0010-0.0050% of O, wherein the residual part comprises Fe and impurities; the content of Mg, Ca, REM and Ti as the impurities satisfies the following formula (A) (Mg+Ca+REM+Ti/10) ≤0.001% (wherein, each elemental symbol of Mg, Ca, REM, Ti in the expression represents the content (mass%) of each element included in the steel material); the average composition of oxide particles dispersed in the steel material satisfies, by mass, AlO≥50% and MnO ≥5%; and the average dispersion density of the oxide particles each having a size of 0.4-10 μm by circle-equivalent diameter is ≥50 per 1 mm.
摘要翻译：要解决的问题：提供优异的焊接热影响区域的韧性的钢材。该焊接热影响区域的韧性优异的钢材质量分别含有C：0.01-0.2％，Si：0.005〜0.15％，Mn：0.3〜2.5％，P：0.05％ ≤0.008％的S，0.0005-0.0030％的Al，≤0.010％的N和0.0010-0.0050％的O，其中残余部分包括Fe和杂质; 作为杂质的Mg，Ca，REM，Ti的含量满足下式（A）（Mg + Ca + REM + Ti / 10）≤0.001％（其中，Mg，Ca，REM，Ti的各元素符号表示钢材中包含的各元素的含量（质量％））; 分散在钢材中的氧化物粒子的平均组成按质量满足Al 3 ≥50％，MnO≥ 5％; 并且通过圆当量直径分别具有0.4-10μm尺寸的氧化物颗粒的平均分散密度为每1mm 2 ≥50。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2011025270A Weld joint 有权
标题翻译：焊接接头
公开(公告)号：JP2011025270A
公开(公告)日：2011-02-10
申请号：JP2009172479
申请日：2009-07-23
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： YODA NOBORU , FUJIWARA TOMOYA
IPC分类号： B23K35/30 , B23K9/23 , B23K103/04 , C21D8/02 , C22C38/00 , C22C38/14 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a weld joint capable of improving the fatigue crack generation characteristic of a weld part without performing any special design and execution, and demonstrating the fatigue crack growth resistance characteristic in a base metal part when the fatigue crack is advanced into the base metal part. SOLUTION: In the weld joint, a base material is welded, which has a chemical composition containing, by mass, 0.01-0.10% C, 0.04-0.60% Si, 0.50-2.00% Mn, ≤0.025% P, ≤0.020% S, 0.003-0.060% Al, 0.001-0.100% Ti, 0.0020-0.0120% N, and the balance Fe with inevitable impurities, and also has a compound structure consisting of a base material of a hard part and soft parts dispersed in the base material, while the difference in hardness between the hard part and the soft parts is ≥150 in terms of Vickers hardness. The hardness of a welded heat-affected zone satisfies the predetermined relationship between the hardness of the base material and the hardness of the weld metal, and the value of the work hardening factor of the welded heat-affected zone is ≤0.12. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：提供能够提高焊接部的疲劳裂纹产生特性的焊接接头，而不进行特殊的设计和执行，并且在疲劳裂纹时证明贱金属部件的疲劳裂纹扩展阻力特性进入贱金属部分。解决方案：在焊接接头中，焊接基体材料，其质量含量为0.01-0.10％C，0.04-0.60％Si，0.50-2.00％Mn，≤0.025％P，≤ 0.020％S，0.003-0.060％Al，0.001-0.100％Ti，0.0020-0.0120％N，余量为Fe和不可避免的杂质，并且还具有由硬质基材和分散在其中的软质部分组成的复合结构基础材料，硬度部分和软质部件之间的硬度差异维氏硬度为≥150。焊接热影响区的硬度满足基材的硬度与焊接金属的硬度之间的预定关系，焊接热影响区的加工硬化系数的值为≤0.12。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2009280870A Steel plate for axle housing 审中-公开
标题翻译：用于轴套的钢板
公开(公告)号：JP2009280870A
公开(公告)日：2009-12-03
申请号：JP2008135089
申请日：2008-05-23
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KUBO SATOSHI , FUJIWARA TOMOYA
IPC分类号： C22C38/00 , C22C38/14 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a steel plate for an axle housing which can maintain a high yield point even after hot working such as pressing.
SOLUTION: The steel plate for an axle housing comprises, by mass, 0.10 to 0.25% C, 0.05 to 0.50% Si, 0.70 to 1.60% Mn, 0.025% or less P, 0.010% or less S, 0.005 to 0.060% Al, 0.006% or less N, 0.050% or less Nb, 0.020 to 0.080% V, and 0.003 to 0.030% Ti, and the balance Fe with inevitable impurities, and has a Ceq value of 0.35% or more and 0.55% or less determined by the following formula (1): Ceq=C+Si/24+Mn/6+Cu/15+Ni/40+Cr/5+Mo/4+V/14, wherein each symbol of element in the formula (1) means the content (% by mass) of each element.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于车轴壳体的钢板，即使在诸如压制的热加工之后也能保持高屈服点。＆lt; P＆gt;解决方案：用于轴壳的钢板包括：0.10〜0.25％的C，0.05〜0.50％的Si，0.70〜1.60％的Mn，0.025％以下的P，0.010％以下的S，0.005〜0.060 ％Al，0.006％以下N，0.050％以下Nb，0.020〜0.080％V，0.003〜0.030％Ti，余量为Fe与不可避免的杂质，Ceq值为0.35％以上0.55％以下较少由以下公式（1）确定：Ceq = C + Si / 24 + Mn / 6 + Cu / 15 + Ni / 40 + Cr / 5 + Mo / 4 + V / 14，其中式（1）表示各元素的含量（质量％）。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2007031749A Steel for welded structure with excellent toughness in weld heat-affected zone, and its manufacturing method 有权
标题翻译：焊接热影响区焊接结构优良的钢材及其制造方法
公开(公告)号：JP2007031749A
公开(公告)日：2007-02-08
申请号：JP2005213764
申请日：2005-07-25
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： SHINTAKU YOSHIAKI , FUJIWARA TOMOYA , NUMATA MITSUHIRO
IPC分类号： C22C38/00 , C21C7/04 , C22C38/14 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide steel in which toughness in weld heat-affected zone exhibits a stably high value and also to provide a method for manufacturing the steel.
SOLUTION: The steel for welded structure has a composition consisting of, by mass, 0.01 to 0.2% C, 0.03 to 0.5% Si, 0.5 to 2.0% Mn, ≤0.02% P, ≤0.01% S, >0.005 to 0.08% Al, 0.0005 to 0.02% Ti, 0.0003 to 0.02% Ca, 0.001 to 0.009% N, 0.0010 to 0.0025% O (oxygen) and the balance Fe with impurities and satisfying inequality 0.50≤Ca/O≤1.30 and also has a structure in which 1×10 to 1×10
4 pieces/mm
2 of CaO-Al
2 O
3 inclusions of 0.5 to 5μm grain size are dispersed. The steel can be manufactured by adding Al so that Al in molten steel becomes >0.005 to 0.08% to perform deoxidation, adding Ti, further treating the molten steel in a degassing apparatus for ≥15 min, adding Ca in a state where the temperature of the molten steel is held at 1,600±70°C and then carrying out casting and rolling.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：待解决的问题：提供焊接热影响区域的韧性呈现稳定的高值的钢，并提供钢的制造方法。解决方案：焊接结构钢具有质量为0.01〜0.2％，0.03〜0.5％的Si，0.5〜2.0％的Mn，≤0.02％的P，≤0.01％的S，> 0.005〜 0.08％Al，0.0005〜0.02％Ti，0.0003〜0.02％Ca，0.001〜0.009％N，0.0010〜0.0025％O（氧），余量为Fe，杂质为0.50≤Ca/O≤1.30，其中1×10〜1×10 2 / / SP> 2 2 3 0.5〜5μm粒径的夹杂物分散。可以通过添加Al来制造钢，使钢水中的Al成为0.005〜0.08％，进行脱氧，添加Ti，在脱气装置中进一步处理钢水≥15分钟，加入Ca，钢水保持在1600±70℃，然后进行铸造和轧制。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2006338255A Sentence preparation support system, program and device 审中-公开
标题翻译：认可准备支持系统，程序和设备
公开(公告)号：JP2006338255A
公开(公告)日：2006-12-14
申请号：JP2005161289
申请日：2005-06-01
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KAWABATA TOMOYA , YAMAMOTO YASUHIRO , FUJIWARA TOMOYA , NAKAMURA HIROSHI , SHINTAKU YOSHIAKI , HIDAIRA YUICHI
IPC分类号： G06F17/22 , G06F17/21 , G06Q50/00 , G06Q50/26
摘要： PROBLEM TO BE SOLVED: To provide a sentence preparation support system for more efficiently preparing document for patent application about an invention involved in numerical limitation. SOLUTION: The sentence preparation support system has a sentence information storing means 4 for associating sentence information about technical significance of a boundary value in numerical extents of a plurality of numerically limited items with a purpose for which the invention is used and storing them about the respective numerically limited items, a sentence information specifying means 5 for specifying sentence information relating to a numerically limited item acquired by a limited item acquiring means 5 and is associated with a technical field or a use purpose acquired by a purpose/field acquiring means 5 from the sentence information stored in the sentence information storing means 4, a numerical value setting means 5 for setting a numerical value corresponding to the numerical extent of the acquired numerically limited item in a prescribed place in the specified sentence information, and a sentence combining means 5 for combining sentence information with the numerical value set therein as a sentence to be written on a document for patent application. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于更有效地准备涉及数字限制的发明的专利申请文件的句子准备支持系统。解决方案：句子准备支持系统具有句子信息存储装置4，用于将关于多个数字限制项目的数值范围内的边界值的技术含义的句子信息与使用本发明的目的相关联并存储关于相应的数字限制项目，一个句子信息指定装置5，用于指定与有限项目获取装置5获取的数字有限项目有关的句子信息，并且与由目的/字段获取装置获取的技术领域或使用目的相关联 5，从存储在句子信息存储装置4中的句子信息中选择一个数值设定装置5，用于设定与指定句子信息中的规定地点中所取得的数字限制项目的数值范围对应的数值，用于将句子信息与数字va相结合的方法5 将其作为一个句子设置在专利申请文件上。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2006219712A Steel plate superior in laser sectility and manufacturing method therefor 有权
标题翻译：钢板超级激光器及其制造方法
公开(公告)号：JP2006219712A
公开(公告)日：2006-08-24
申请号：JP2005033133
申请日：2005-02-09
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： OKADA HIKARI , SATO MORITSUGU , URABE TAKESHI , KOBAYASHI MAKOTO , KUBO SATOSHI , MAEDA TAKAO , SETA ICHIRO , FUJIWARA TOMOYA , HIDAKA YASUYOSHI
IPC分类号： C22C38/00 , B21B1/38 , C21D8/02 , C22C38/16 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a steel plate to be cut with a laser, which stably shows excellent laser sectility and enables the unmanned driving of a laser cutting machine in the nighttime, and to provide a manufacturing method therefor.
SOLUTION: The slab of the steel plate includes, by mass%, 0.03-0.50% Cu, 0.02-0.50% Ni while satisfying the expression of mass ratio Ni/Cu ≥ 0.5, and further 0.05% or more Si. The method for manufacturing the steel plate comprises the steps of: heating the above slab so that the surface temperature can reach or exceed a melting point of the Cu-Ni alloy having the same composition as the Ni/Cu mass ratio in the above steel, at least for a period of time when the slab is heated; cooling the heated slab until the surface temperature drops to the melting point of the Cu-Ni alloy or lower; then removing the scale by spouting water onto the slab; and hot-rolling the descaled slab into a predetermined plate thickness. The manufactured steel plate acquires a scale/metal mixture layer with a thickness of 5 to 30 μm, which consists of the surface scale layer and a mixture layer that exists in the vicinity of a boundary between the scale layer and a steel base metal and contains metallic fine particles formed of the Fe-Cu-Ni-based alloy dispersed in the scale.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种激光切割的钢板，其稳定地显示出优异的激光分辨率，并能够在夜间无人驾驶激光切割机，并提供其制造方法。钢板的质量比以质量％计含有0.03-0.50％的Cu，0.02-0.50％的Ni，同时满足Ni / Cu≥0.5的质量比和进一步的0.05％以上的Si。制造钢板的方法包括以下步骤：对上述钢板进行加热，以使表面温度达到或超过与上述钢中Ni / Cu质量比相同组成的Cu-Ni合金的熔点，至少在板坯加热的一段时间内; 冷却加热的板坯，直到表面温度下降到Cu-Ni合金的熔点以下; 然后通过将水喷射到板上去除垢; 并将所述除鳞的板坯热轧成预定的板厚。制造的钢板获得厚度为5〜30μm的鳞屑/金属混合物层，其由表层标准层和存在于鳞片层和钢基金属之间的边界附近的混合层组成，并且含有金属细颗粒由分散在氧化皮中的Fe-Cu-Ni基合金形成。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2006009071A Steel material superior in resistance to cold cracking after having been welded 有权
标题翻译：钢材材料耐高温烧结后耐寒
公开(公告)号：JP2006009071A
公开(公告)日：2006-01-12
申请号：JP2004185862
申请日：2004-06-24
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： FUJIWARA TOMOYA , OKAGUCHI HIDEJI , ARIMOCHI KAZUSHIGE
IPC分类号： C22C38/00 , C22C38/10 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a steel material superior in resistance to cold cracking, which does not cause cold cracking after being welded even when having not been preheated.
SOLUTION: This steel material comprises, by mass, 0.01-0.15% C, 0.02-0.8% Si, 0.6-3.0% Mn, 0.03% or less P, 0.03% or less S, 0.004-0.08% sol.Al, 0.015% or less N, 0.1-10.0% Co, further a small amount of one or more alloy elements among Cu, Ni, Cr, Mo, V, Nb, Ti, B, Ca and Mg as needed, and the balance Fe with inevitable impurities.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种耐冷裂特性优异的钢材，即使在未预热的情况下也不会引起冷焊后的冷裂纹。解决方案：该钢材质量包括0.01-0.15％C，0.02-0.8％Si，0.6-3.0％Mn，0.03％以下P，0.03％以下S，0.004-0.08％sol.Al ，0.015％以下的N，0.1-10.0％的Co，进一步少量Cu，Ni，Cr，Mo，V，Nb，Ti，B，Ca和Mg中的一种或多种合金元素，余量为Fe 有不可避免的杂质。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2005187934A Steel having excellent fatigue characteristics, and its production method 有权
标题翻译：具有优异的疲劳特性的钢及其生产方法
公开(公告)号：JP2005187934A
公开(公告)日：2005-07-14
申请号：JP2004233539
申请日：2004-08-10
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： YODA NOBORU , ARIMOCHI KAZUSHIGE , FUJIWARA TOMOYA , SAKAIBORI HIDEO
IPC分类号： C21D8/00 , C21D8/02 , C22C38/00 , C22C38/38 , C22C38/58
CPC分类号： C22C38/38 , C22C38/02
摘要： PROBLEM TO BE SOLVED: To provide steel which can be used for members on which repeated stress acts in vessels, marine structures, bridges, buildings, tanks or the like with no special post-treatment after cutting or welding and is excellent in fatigue characteristics of a cut portion or a welding HAZ portion, and to provide its production method.
SOLUTION: The steel having excellent fatigue characteristics has a steel composition comprising 0.01 to 0.1% C, 0.01 to 0.6% Si, 0.4 to 2.0% Mn, ≤0.02% P, ≤0.01% S, 0.01 to 0.6% Cr, 0.005 to 0.06% Nb and/or 0.005 to 0.03% Ti, ≤0.10% sol.Al and ≤0.01% N, and the balance inevitable impurities, and regarding the diameter index DI and Mn/C prescribed by the expressions (1) and (2), DI is ≥14 and Mn/C is ≥15: (1), in the case of Mn 1.2, DI=0.311×√C×(1+0.7×Si)×(5+5.1×(Mn-1.2))×(1+2.16×Cr)×(1+3×Mo)×25.4.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供可以用于在切割或焊接后没有特殊后处理的船舶，船舶结构，桥梁，建筑物，坦克等中重复作用的构件的钢，并且优异切割部分或焊接HAZ部分的疲劳特性，并提供其制造方法。解决方案：具有优异的疲劳特性的钢具有包含0.01至0.1％C，0.01至0.6％Si，0.4至2.0％Mn，≤0.02％P，≤0.01％S，0.01至0.6％Cr， 0.005〜0.06％的Nb和/或0.005〜0.03％的Ti，≤0.10％的sol.Al和≤0.01％的N，余量是不可避免的杂质，以及由式（1）和（2）中，DI为≥14，Mn / C为≥15：（1）在Mn <= 1.2的情况下，DI = 0.311×√C×（1 + 0.7×Si）×（1 + 3.33×Mn ）×（1 + 2.16×Cr）×（1 + 3×Mo）×25.4，（2）在Mn> 1.2的情况下，DI = 0.311×√C×（1 + 0.7×Si）×（5 + 5.1×（MN-1.2））×（1 + 2.16×Cr）的×（1 + 3×Mo）的×25.4。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2003064442A Steel sheet having excellent fatigue crack propagation resistance 有权
标题翻译：具有优异的耐疲劳裂纹扩展电阻的钢板
公开(公告)号：JP2003064442A
公开(公告)日：2003-03-05
申请号：JP2001250089
申请日：2001-08-21
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： FUJIWARA TOMOYA , YODA NOBORU , OKAGUCHI HIDEYA
IPC分类号： C22C38/00 , C22C38/06 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a steel sheet which has excellent fatigue crack propagation resistance, and has excellent toughness in a weld zone even when subjected to welding operation. SOLUTION: The steel sheet has a composition containing, by mass, 0.03 to 0.2% C, 0.05 to 0.6% Si, 0.3 to 2% Mn and 0.001 to 0.1% sol.Al, and, if required, containing one or more metals selected from Cu, Ni, Cr, Mo, V, Nb and Ti, and the balance Fe with impurities, and also satisfying the inequality of 1.3×C(%)+0.04 =85% by area, and in the structure, the area ratio of the structure having an aspect ratio of 1.7 is
摘要翻译：要解决的问题：提供具有优异的疲劳裂纹扩展性的钢板，并且即使在进行焊接操作时也具有优异的焊接区韧性。解决方案：钢板具有以质量计含有0.03-0.2％的C，0.05-0.6％的Si，0.3到2％的Mn和0.001到0.1％的溶胶，并且如果需要，它含有一种或多种选择的金属由Cu，Ni，Cr，Mo，V，Nb和Ti组成，余量为Fe与杂质，满足1.3×C（％）+ 0.04 <= Si（％）<= 6.4×C +0.1。在钢板中，珠光体组织所占的比例为面积的5面积％，铁素体和贝氏体的混合结构为85％以上，在该结构中，具有纵横比为<= 1.7，要占据的是15％至45％，纵横比<= 1.7的结构与长宽比> 1.7的结构之间的硬度差由维氏硬度<150。

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