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1. 发明专利

JP2012162794A Electrolytic pickling method for descaling stainless steel strip 有权
标题翻译：用于去除不锈钢条的电解法
公开(公告)号：JP2012162794A
公开(公告)日：2012-08-30
申请号：JP2011026185
申请日：2011-02-09
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： MIZOGUCHI TAICHIRO , SHIOTSUKI KATSUYUKI , HARADA WAKAHIRO
IPC分类号： C25F1/06 , C25F7/00
摘要： PROBLEM TO BE SOLVED: To attain a current efficiency of 90% or more by appropriately designing the structure of a tank corresponding to the scale of pickling equipment.SOLUTION: A stainless steel strip after annealed is descaled in a neutral salt solution or an acidic aqueous solution by anode electrolyte using indirect energizing method. In such descaling equipment (electrolytic pickling equipment), the electrolytic pickling method satisfies the following formula: L >0.6 DW/I, wherein a distance between anode and cathode is L (mm), current energizing among electrodes is I(A), a substantial width of a pickling tank between the anode and cathode is W (mm), a substantial depth thereof is D (mm), and the substantial width W and substantial depth D are dimensions after the size of insulation substance is subtracted from the actual sizes.
摘要翻译：要解决的问题：通过适当地设计与酸洗设备的规模相对应的罐的结构，达到90％以上的电流效率。解决方案：使用间接赋能方法，通过阳极电解质在中性盐溶液或酸性水溶液中对退火后的不锈钢带进行除垢。在这样的除垢设备（电解酸洗设备）中，电解酸洗方法满足下式：L> 0.6DW / I，其中阳极和阴极之间的距离为L（mm），电极之间的电流为I（A），a 在阳极和阴极之间的酸洗槽的实质宽度为W（mm），其实质深度为D（mm），并且基本宽度W和实质深度D是在从实际尺寸中减去绝缘物质的尺寸之后的尺寸。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2010065278A Stainless steel for brazing and brazing method 有权
标题翻译：不锈钢用于制动和制动方法
公开(公告)号：JP2010065278A
公开(公告)日：2010-03-25
申请号：JP2008232727
申请日：2008-09-10
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： MIZOGUCHI TAICHIRO , HARADA WAKAHIRO , TOMIMURA HIROKI
IPC分类号： C22C38/00 , B23K1/19 , B23K31/02 , B23K35/30 , C22C9/00 , C22C19/05 , C22C38/48 , C22C38/54
摘要： PROBLEM TO BE SOLVED: To provide a stainless steel for blazing which has a suitable brazing temperature range allowing "deformation caused by grain boundary sliding" and "grain coarsening" to be remedied concurrently and remarkably and which is more inexpensive than an austenitic stainless steel.
SOLUTION: The stainless steel for brazing contains, by mass%, ≤0.05% C, ≤1% Si, ≤1% Mn, ≤0.045% P, ≤0.005% S, 1-6% Ni, 18-24% Cr, ≤0.05% N, and Nb in the rage of 7×(C+N) to 0.7%. In the stainless steel for brazing, in expression M=-0.22T+34.5Ni+10.5Mn+13.5Cu-17.3Cr-17.3Si-18Mo+475.5, the content of the respective elements in the right side are adjusted so that the M value in the left side becomes 1-25 in some cases when the T value at the first item in the right side is varied in the range of 950-1,200.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有合适的钎焊温度范围的允许“晶界滑动引起的变形”和“晶粒粗化”的不锈钢，其同时且显着地补救，并且比奥氏体更廉价不锈钢。
解决方案：钎焊用不锈钢以质量％计≤0.05％C，≤1％Si，≤1％Mn，≤0.045％P，≤0.005％S，1-6％Ni，18-24 ％Cr，≤0.05％N，Nb为7×（C + N）至0.7％。在用于钎焊的不锈钢中，在M = -0.22T + 34.5Ni + 10.5Mn + 13.5Cu-17.3Cr-17.3Si-18Mo + 475.5的表达式中，调整右侧各元素的含量，使得M 在右侧的第一项的T值在950-1,200的范围内变化的情况下，在左侧的值变为1-25。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2009299174A Pressure vessel for high pressure hydrogen gas and pipe 审中-公开
标题翻译：用于高压氢气和管道的压力容器
公开(公告)号：JP2009299174A
公开(公告)日：2009-12-24
申请号：JP2008158239
申请日：2008-06-17
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： TOMIMURA HIROKI , MIZOGUCHI TAICHIRO , HARADA WAKAHIRO
IPC分类号： C22C38/00 , C22C38/58 , C23C22/06 , C23G1/08 , F16J12/00 , F16L9/02
摘要： PROBLEM TO BE SOLVED: To provide a pressure vessel which has excellent hydrogen embrittlement resistance and stress corrosion cracking resistance, and suitable for high pressure hydrogen gas, e.g. under ≥70 MPa without depending on remarkable thickening, and to provide a pipe for piping.
SOLUTION: Disclosed is a pressure vessel for storing high pressure hydrogen gas made of stainless steel, which has a steel composition comprising, by mass, ≤0.08% C, 1.3 to 3.5% Si, ≤3.5% Mn, ≤0.05% P, ≤0.03% S, 8 to 17% Ni, 15 to 20% Cr and ≤0.2% N, and, if required, further comprising one or more selected from ≤3% Mo and ≤3.5% Cu, one or more selected from V and W by ≤4% in total, one or more selected from Nb, Ti and Al by ≤0.4% in total and ≤0.01% B, and in which at least the surface on the side to be exposed to hydrogen gas is provided with a passive film in which the content of Si in the metallic elements is ≥1.0 mass%. Also, disclosed is a pipe for transporting high pressure hydrogen gas.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供耐氢脆性优异和耐应力腐蚀开裂性优异的压力容器，适用于高压氢气，例如高压氢气。 ≥70MPa，不依赖于显着的增稠，并提供管道管道。解决方案：公开了一种用于储存由不锈钢制成的高压氢气的压力容器，该压力容器具有以质量计≤0.08％的Si，1.3〜3.5％的Si，≤3.5％的Mn，≤0.05％的钢组成， P，≤0.03％S，8〜17％Ni，15〜20％Cr和≤0.2％N，如果需要，还含有选自≤3％Mo和≤3.5％Cu中的一种或多种，一种或多种选择从V和W总共≤4％，选自Nb，Ti和Al中的一种或多种，总共≤0.4％，≤0.01％B，其中至少暴露于氢气的一侧的表面为设置有其中金属元素中的Si含量≥1.0质量％的钝化膜。此外，公开了用于输送高压氢气的管道。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2007009314A Cu-CONTAINING AUSTENITIC STAINLESS STEEL 有权
标题翻译：含铜奥氏体不锈钢
公开(公告)号：JP2007009314A
公开(公告)日：2007-01-18
申请号：JP2005195532
申请日：2005-07-04
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： HARADA WAKAHIRO , TOMIMURA HIROKI , WATANABE TOMOHISA , MATSUBAYASHI HIROYASU , TAKEMOTO TOSHIHIKO
IPC分类号： C22C38/00 , C22C38/42 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a stainless steel stably exhibiting excellent stress corrosion cracking resistance and crevice corrosion resistance when being applied to automobile oil filling member. SOLUTION: In the austenitic stainless steel, the content of Cu is 0.5 to 3.0 mass%, and concentration of Cu in an outermost surface layer measured by Auger electron spectral analysis is ≤0.5 atomic%, preferably, ≤0.1 atomic%. As alloy components other than Cu, by mass, ≤0.05% C, 1.0 to 4.0% Si, ≤1.8% Mn, ≤0.045% P, ≤0.005% S, 6 to 20% Ni, 16 to 25% Cr, ≤0.10% N and 0.3 to 3.0% Mo can be cited, and the balance Fe with inevitable impurities. For reducing the concentration of Cu in the outermost surface layer, flowing water washing or acid washing is effective. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种在应用于汽车充油部件时稳定地显示出优异的抗应力腐蚀开裂性和耐缝隙腐蚀性的不锈钢。解决方案：在奥氏体不锈钢中，Cu的含量为0.5〜3.0质量％，通过俄歇电子光谱分析测定的最外表面层中的Cu的浓度为≤0.5原子％，优选为≤0.1原子％。作为除Cu以外的合金成分，C：0.05％，Si：1.0〜4.0％，Mn：1.8％以下，≤0.045％P，≤0.005％S，6〜20％的Ni，16〜25％的Cr，≤0.10 可以引用％N和0.3〜3.0％的Mo，余量为Fe与不可避免的杂质。为了降低最外表面层中的Cu浓度，流水洗或酸洗是有效的。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2013199661A Austenitic stainless steel for member of exhaust gas flow channel 有权
标题翻译：用于排气流量通道会员的奥氏体不锈钢
公开(公告)号：JP2013199661A
公开(公告)日：2013-10-03
申请号：JP2012066910
申请日：2012-03-23
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： MIZOGUCHI TAICHIRO , TAI ZENICHI , MORIMOTO KENICHI , HARADA WAKAHIRO
IPC分类号： C22C38/00 , C22C38/44 , C22C38/54
摘要： PROBLEM TO BE SOLVED: To provide an austenitic stainless steel for an EGR cooler and an exhaust heat recovery device when using a fuel having a high sulfur concentration because of insufficient refining.SOLUTION: An austenitic stainless steel for a member of an exhaust gas flow channel has a composition including 0.001-0.030 mass% C, 0.10-0.70 mass% Si, 0.10-1.00 mass% Mn, 0.005-0.045 mass% P, ≤0.003 mass% S, 18.00-40.00 mass% Ni, 20.00-30.00 mass% Cr, ≤2.00 mass% Cu, 3.00-8.00 mass% Mo, 0.08-0.30 mass% N, and ≤0.13 mass% Al, with the balance of Fe and inevitable impurities, while satisfying a relation: Cr+2Mo+0.5Ni≥40.
摘要翻译：要解决的问题：为了提供用于EGR冷却器的奥氏体不锈钢和当由于精炼不足而使用具有高硫浓度的燃料时的废热回收装置。解决方案：用于废气流动通道的构件的奥氏体不锈钢具有C：0.001〜0.030质量％，Si：0.10〜0.70质量％，Mn：0.005〜0.045质量％，P：≤0.003质量％，C：18.00〜40.00质量％，Ni：20.00〜30.00质量％ Cr，≤2.00质量％Cu，3.00-8.00质量％Mo，0.08-0.30质量％N和≤0.13质量％Al，余量为Fe和不可避免的杂质，同时满足Cr + 2Mo +0.5Ni≥ 40。

6. 发明专利

JP2011157616A Ferritic stainless steel for brazing 审中-公开
标题翻译：不锈钢不锈钢
公开(公告)号：JP2011157616A
公开(公告)日：2011-08-18
申请号：JP2010022367
申请日：2010-02-03
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： MIZOGUCHI TAICHIRO , HARADA WAKAHIRO
IPC分类号： C22C38/00 , C22C38/38 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a ferritic stainless steel which has satisfactory Ni brazability and Cu brazability.
SOLUTION: The ferritic stainless steel for brazing has a composition comprising, by mass, ≤0.03% C, >0.1 to 1% Si, ≤2% Mn, ≤0.05% P, ≤0.03% S, 16 to 25% Cr, 0.15 to 0.8% Nb, ≤0.03% N, ≤0.03% Al, ≤0.03% Ti, and the balance Fe with inevitable impurities.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供具有令人满意的镍钎焊性和铜钎焊性的铁素体系不锈钢。＆lt; P＆gt;解决方案：用于钎焊的铁素体不锈钢具有以质量计含有0.03％C，0.1〜1％的Si，≤2％的Mn，≤0.05％的P，≤0.03％的S，16〜25％ Cr，0.15〜0.8％Nb，≤0.03％N，≤0.03％Al，≤0.03％Ti，余量为Fe与不可避免的杂质。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2010106305A Stainless steel for cell composing member and method for producing the same 审中-公开
标题翻译：用于细胞组合成员的不锈钢及其制造方法
公开(公告)号：JP2010106305A
公开(公告)日：2010-05-13
申请号：JP2008278438
申请日：2008-10-29
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： HARADA WAKAHIRO , TOMIMURA HIROKI
IPC分类号： C22C38/00 , C22C38/38 , C22C38/58 , C23G1/08 , C25F1/06 , H01M8/02 , H01M8/10
CPC分类号： Y02E60/523
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive stainless steel which has corrosion resistance in a cell environment and also does not deteriorate the performance of a cell due to the elution of metal ions, as a metallic material composing a collector and a separator composing a methanol reformed fuel cell or the like, and to provide a method for producing the stainless steel.
SOLUTION: The stainless steel for a cell composing member includes, by mass, 16.0 to 32.0% Cr, 0.5 to 2.0% Mo, ≤0.015% C, ≤0.5% Si and ≤2.0% Mn, and the balance Fe with inevitable impurities, and is characterized in that the surface layer of the stainless steel is provided with a passive film of ≤4 nm which satisfies, by atomic%, Cr/(Cr+Fe)>0.2 and also CrOOH>Cr
2 O
3 . The method for producing the stainless steel uses immersion treatment to a solution containing organic acid and nitric acid or electrolytic treatment where potential of 700 to 900 mV, SCE is applied in a solution containing sulfuric acid.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种廉价的不锈钢，其在电池环境中具有耐腐蚀性，并且不会由于金属离子的洗脱而劣化电池的性能，作为构成集电体和隔板的金属材料构成甲醇重整燃料电池等，提供不锈钢的制造方法。解决方案：用于电池组成件的不锈钢包括16.0至32.0％的Cr，0.5至2.0％的Mo，≤0.015％C，≤0.5％的Si和≤2.0％的Mn，余量为Fe 不可避免的杂质，其特征在于，不锈钢的表面层设置有≤4nm的钝化膜，其以原子％计满足Cr /（Cr + Fe）> 0.2，CrOOH> Cr 2 0 3 。不锈钢的制造方法使用浸渍处理成含有有机酸和硝酸的溶液或电解处理，其中将电位为700〜900mV，SCE施加到含有硫酸的溶液中。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2009228036A Device for recovering exhaust heat of automobile 有权
标题翻译：用于回收汽车排气装置
公开(公告)号：JP2009228036A
公开(公告)日：2009-10-08
申请号：JP2008072881
申请日：2008-03-21
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： MIZOGUCHI TAICHIRO , HARADA WAKAHIRO , TOMIMURA HIROKI
IPC分类号： C22C38/00 , C22C38/50 , F01N5/02 , F01N13/16
CPC分类号： Y02T10/16
摘要： PROBLEM TO BE SOLVED: To provide a device for recovering an exhaust heat of an automobile, which shows stable durability even if the device came in contact with a condensed water containing a high concentration of an exhaust gas in service.
SOLUTION: The recovering device uses a ferritic stainless steel in a portion where the condensed water containing the exhaust gas is produced. The ferritic stainless steel has a composition comprising, by mass%, one of 0.020% or less C, 0.05 to 0.70% Si, 0.05 to 0.70% Mn, 0.045% or less P, 0.005% or less S, 0.70% or less Ni, 18.00 to 25.50% Cr, 0.70% or less Cu, 2/(Cr-17.00) to 2.50% Mo, 0.020% or less N, 0.50% or less Ti, 0.50% or less Nb, or two or more thereof while satisfying the expression of (Ti+Nb)≥(7×(C+N)+0.05), and the balance Fe with unavoidable impurities.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于回收汽车排气的装置，其即使在与使用高浓度排气的冷凝水接触的情况下也显示出稳定的耐久性。解决方案：回收装置在产生含有废气的冷凝水的部分中使用铁素体不锈钢。铁素体系不锈钢的组成按质量％计含有C：0.020％以下，Si：0.05〜0.70％，Mn：0.05〜0.70％，P：0.045％以下，S：0.005％以下，Ni：0.70％，18.00〜25.50％的Cr，0.70％以下的Cu，2 /（Cr-17.00）〜2.50％的Mo，0.020％以下的N，0.50％以下的Ti，0.50％以下的Nb或2种以上，同时满足（Ti + Nb）≥（7×（C + N）+0.05）的表达，余量为不可避免的杂质。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2006161067A Fuel tank or oil feed pipe for automotive use 审中-公开
标题翻译：燃油箱或油管用于汽车使用
公开(公告)号：JP2006161067A
公开(公告)日：2006-06-22
申请号：JP2004350130
申请日：2004-12-02
申请人： Nippon Paint Co Ltd , Nisshin Steel Co Ltd , 日新製鋼株式会社 , 日本ペイント株式会社
发明人： HARADA WAKAHIRO , TOMIMURA HIROKI , FUKUMOTO HIROMITSU , UKITA TSUNEO , SAKODA YASUHIKO , MAKINO TAKU
IPC分类号： C23C22/44 , B60K15/01 , B60K15/03 , C09D5/44 , C09D163/00 , C09D175/04 , C25D13/06 , C25D13/12 , F02M37/00
摘要： PROBLEM TO BE SOLVED: To provide a chemical conversion coating solution for forming a chemical conversion coating on a fuel tank or oil feed pipe for automotive use, which imparts high adhesiveness and high corrosion resistance to a paint film formed on the fuel tank or oil feed pipe for automotive use; a cationic electrodeposition paint composition; the fuel tank or oil feed pipe for automotive use; a pretreatment method for painting; and a painting method.
SOLUTION: The chemical conversion coating solution for forming the chemical conversion coating on the fuel tank or oil feed pipe made from stainless steel for automotive use includes zirconium ions of 20 to 500 ppm by weight, fluorine ions of six times moles of the zirconium ions, and nitrate ions of 100 to 5,000 ppm by weight, and does not substantially contain phosphate ions; and has a pH of 2 to 5. The composition for a cationic electrodeposition paint for forming an electrodeposited film on the chemical conversion coating formed by the chemical conversion coating solution has such a composition as to form an electrodeposited film having a dynamic glass transition temperature of 105 to 120°C and an elongation percentage of 3 to 8%.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于在用于汽车用途的燃料箱或供油管上形成化学转化涂层的化学转化涂层溶液，其对形成在燃料箱上的漆膜赋予高粘附性和高耐腐蚀性或用于汽车使用的供油管; 阳离子电沉积漆组合物; 汽车用燃油箱或供油管; 一种预处理方法; 和一种绘画方法。解决方案：用于在汽车用不锈钢制成的燃料箱或供油管上形成化学转化涂层的化学转化涂层溶液包括20-500ppm重量的锆离子，六锆离子和硝酸根离子为100〜5000重量ppm，基本上不含有磷酸根离子; 并且具有2至5的pH。用于在由化学转化涂覆溶液形成的化学转化膜上形成电沉积膜的阳离子电沉积涂料组合物具有形成电沉积膜的组成，其具有动态玻璃化转变温度 105〜120℃，伸长率为3〜8％。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2005015816A Can body for water heater with excellent corrosion resistance 审中-公开
标题翻译：具有优异耐腐蚀性能的水加热器体
公开(公告)号：JP2005015816A
公开(公告)日：2005-01-20
申请号：JP2003177713
申请日：2003-06-23
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： NONOMURA AKIHIRO , HARADA WAKAHIRO , ADACHI TOSHIRO , TOMIMURA HIROKI
IPC分类号： C22C38/00 , C22C38/28 , C22C38/50
摘要： PROBLEM TO BE SOLVED: To provide a water heater can body made of stainless steel which is assembled using a caulked jointing structure including a weld zone and has improved corrosion resistance in a metal clearance part as well as in a welding clearance part.
SOLUTION: As a steel sheet for constituting the can body for a water heater, a ferritic stainless steel sheet is used. After the steel sheet is bent and welded to produce a cylindrical body, covers to be head plates are put on the top and bottom of the cylindrical body, respectively, and each circumferential part is subjected to caulked jointing to assemble the can body for a water heater. The ferritic stainless steel sheet has a composition which consists of, by mass, ≤0.003% C, 0.1 to 0.4% Si, ≤0.4% Mn, ≤0.04% P, ≤0.01% S, 16.0 to 25.0% Cr, 0.8 to 2.5% Mo, ≤0.03% N, 0.1 to 0.6% Nb, 0.05 to 0.3% Ti, 0.01 to 0.5% Al and the balance essentially Fe and further contains, if necessary, either or both of ≤0.6% Ni and 0.3 to 1.5% Cu and in which a relation of Nb+Ti≥7(C+N)+0.15 is satisfied among Nb, Ti, C and N.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种由不锈钢制成的热水器罐体，其使用包括焊接区域的填缝结合结构组装，并且在金属间隙部分以及焊接间隙部分中具有改善的耐腐蚀性。＆lt;解决方案＆gt;作为构成热水器用罐体的钢板，使用铁素体系不锈钢板。在钢板弯曲并焊接以制造圆筒体之后，分别将头板盖放在圆柱体的顶部和底部，并且每个圆周部分进行铆接连接以将罐体组装成水加热器。铁素体系不锈钢板的组成为以质量计≤0.003％C，0.1〜0.4％Si，≤0.4％Mn，≤0.04％P，≤0.01％S，16.0〜25.0％Cr，0.8〜2.5质量％％Mo，≤0.03％N，0.1〜0.6％Nb，0.05〜0.3％Ti，0.01〜0.5％Al，余量基本为Fe，如有必要，还含有≤0.6％的Ni和0.3〜1.5％ Cu，Nb，Ti，C和N之间的Nb +Ti≥7（C + N）+0.15的关系满足。（C）2005，JPO＆NCIPI

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