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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

JP2006291296A Austenitic stainless steel having excellent deep drawability 审中-公开
标题翻译：具有优异深度可伸缩性的奥氏体不锈钢
公开(公告)号：JP2006291296A
公开(公告)日：2006-10-26
申请号：JP2005113838
申请日：2005-04-11
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： SUZUKI SATOSHI , TANAKA HIDEKI , MIZOGUCHI TAICHIRO
IPC分类号： C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide an austenitic stainless steel sheet in which hardening caused by press working is suppressed, and which is free from the generation of working defects such as cracks even if being subjected to severe working.
SOLUTION: The austenitic stainless steel has a composition comprising, by mass, ≤0.03% C, ≤1.0% Si, ≤5.0% Mn, 5 to 15% Ni, 15 to 20% Cr, ≤5.0% Cu, ≤3.0% Mo, ≤0.03% N and 0.0001 to 0.0100% B, and satisfying Md
30 : -60 to -10, SFI≥30, and B/N mass ratio≥0.01: Md
30 =551-462(C+N)-9.2Si-8.1Mn-29(Ni+Cu)-13.7Cr-18.5Mo, and SFI=2.2Ni+6Cu-1.1Cr-13Si-1.2Mn+32. In the matrix after working, BN-based compounds are dispersedly precipitated in the ratio of ≥0.01 area%.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供抑制由冲压加工引起的硬化的奥氏体不锈钢板，即使经受严重加工也不产生诸如裂纹的工作缺陷。解决方案：奥氏体不锈钢具有以质量％计，≤0.03％C，≤1.0％Si，≤5.0％Mn，5-15％Ni，15-20％Cr，≤5.0％Cu，≤ 3.0％Mo，≤0.03％N，0.0001〜0.0100％B，满足Md 30 ：-60〜-10，SFI≥30，B / N质量比≥0.01：Md 30 = 551-462（C + N）-9.2Si-8.1Mn-29（Ni + Cu）-13.7Cr-18.5Mo，SFI = 2.2Ni + 6Cu-1.1Cr-13Si-1.2Mn + 32。在加工后的基体中，BN基化合物以≥0.01面积％的比例分散沉淀。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2012201953A Descaling method for stainless steel strip 审中-公开
标题翻译：不锈钢条的脱硫方法
公开(公告)号：JP2012201953A
公开(公告)日：2012-10-22
申请号：JP2011069124
申请日：2011-03-28
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
摘要： PROBLEM TO BE SOLVED: To suppress decrease in pickling ability by a metal ion eluted from a stainless steel strip according to descaling action when performing descaling of the stainless steel strip after annealing by electrolytic pickling in a sulfuric acid aqueous solution and to improve descaling ability by the electrolytic pickling in the sulfuric acid aqueous solution.SOLUTION: Fein a pickling liquid is oxidized into Feusing an oxidizing agent, such as nitric acid, a nitrate, chromic acid, a chromate, and hydrogen peroxide, and Feconcentration in the liquid is controlled to be 5 g/l or less.
摘要翻译：待解决的问题：通过在硫酸水溶液中电解酸洗退火后对不锈钢带进行除锈时，根据除锈作用，抑制由不锈钢带剥离的金属离子的酸洗能力降低，并提高通过硫酸水溶液中的电解酸洗除锈能力。
解决方案：酸洗液中的Fe 2 + 使用氧化剂如硝酸将其氧化成Fe 3 + 酸，硝酸盐，铬酸，铬酸盐和过氧化氢，液体中的浓度控制在5g / l以下。版权所有（C）2013，JPO＆INPIT

6. 发明专利

JP2009299182A Ferritic stainless steel 有权
标题翻译：铁质不锈钢
公开(公告)号：JP2009299182A
公开(公告)日：2009-12-24
申请号：JP2009083001
申请日：2009-03-30
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： KONO AKINORI , MIZOGUCHI TAICHIRO , TOMIMURA HIROKI , HARADA WAKAHIRO
IPC分类号： C22C38/00 , C21D9/46 , C22C38/38 , C22C38/58
CPC分类号： C21D6/002 , B23K35/302 , B23K35/3033 , B23K2203/05 , C21D8/0226 , C21D8/0236 , C21D8/0273 , C22C38/02 , C22C38/04 , C22C38/26 , F28F21/083 , Y10T428/12979
摘要： PROBLEM TO BE SOLVED: To provide a ferritic stainless steel suitable as a heat exchange material for Ni brazing or Cu brazing. SOLUTION: Disclosed is a ferritic stainless steel containing, by mass, C: 0.03% or less, Si: 3% or less, Mn: 2% or less, P: 0.05% or less, S: 0.03% or less, Cr: 11 to 30%, Nb: 0.15 to 0.8%, and N: 0.03% or less, with the remainder comprising Fe and unavoidable impurities, and for which the value A is 0.10 to or higher. A=Nb-(C×92.9/12+N×92.9/14). COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供适合作为Ni钎焊或Cu钎焊的热交换材料的铁素体不锈钢。解决方案：公开了一种铁素体不锈钢，其质量比为C：0.03％以下，Si：3％以下，Mn：2％以下，P：0.05％以下，S：0.03％以下，Cr：11〜30％，Nb：0.15〜0.8％，N：0.03％以下，余量由Fe和不可避免的杂质构成，值A为0.10以上。 A = Nb-（C×92.9 / 12 + N×92.9 / 14）。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2008169423A Austenitic stainless steel sheet for bending 审中-公开
标题翻译：用于弯曲的奥氏不锈钢板
公开(公告)号：JP2008169423A
公开(公告)日：2008-07-24
申请号：JP2007002866
申请日：2007-01-10
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： MIZOGUCHI TAICHIRO , SUZUKI SATOSHI , TANAKA HIDEKI
IPC分类号： C22C38/00 , B21C37/15 , B21D5/01 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a grooved austenitic stainless steel sheet which can form a sharp ridgeline excellent in design performance in bending process.
SOLUTION: The steel sheet for bending is made of an austenitic stainless steel sheet having a 0.2% proof stress of ≤200 MPa and a work hardening index n value of ≤0.50, and in which a V-groove with a shape satisfying the following expressions [1] and [2] is formed by non-removal working of pushing a blade against the surface of the steel sheet and plastically deforming the same: [1] where groove depth d(mm) and sheet thickness t(mm) satisfy 0.4≤d/t≤0.6; and [2] where the angle θ(° ) formed by the confronted groove wall faces in the V-groove satisfies θ=175-X±15 in accordance with the bending angle X(° ) when it is fed to bending with the V-groove as the valley of a line; wherein, 80≤X≤100.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供能够形成弯曲加工性能优异的尖锐棱线的开槽奥氏体不锈钢板。＆lt; P＆gt;解决方案：弯曲钢板由0.2％屈服应力≤200MPa，加工硬化指数n值≤0.50的奥氏体不锈钢板制成，其中形状满足的V形槽通过将刀片推压到钢板表面并使其塑性变形的非去除工作形成以下表达[1]和[2]：[1]其中槽深度d（mm）和板厚度t ）满足0.4≤d/t≤0.6; 和[2]，其中由面对槽壁形成的V槽中的角度θ（°）根据弯曲角度X（°）满足θ= 175-X±15°，以V - 作为一条线的谷; 其中，80≤X≤100。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2008095138A Austenitic stainless steel 有权
标题翻译：奥氏体不锈钢
公开(公告)号：JP2008095138A
公开(公告)日：2008-04-24
申请号：JP2006277166
申请日：2006-10-11
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 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide stainless steel capable of stably exhibiting excellent pitting corrosion resistance and stress corrosion cracking resistance in the repeated environment under alternate dry and wet conditions.
SOLUTION: The austenitic stainless steel having excellent durability in the repeated environment under alternate dry and wet conditions has a composition which contains, by mass, ≤0.05% C,
摘要翻译：要解决的问题：提供能够在交替的干燥和潮湿条件下在重复的环境中稳定地显示出优异的耐点蚀性和耐应力腐蚀开裂性的不锈钢。解决方案：在交替的干燥和湿润条件下在重复环境中具有优异的耐久性的奥氏体不锈钢具有以质量％≤0.05％，Si含量为1.0％，Mn为0.4〜1.8％，≤0.045％ P，≤0.005％S，8.5〜12.0％的Ni，17.5〜19.5％的Cr和≤0.05％的N，还含有Cu和Mo作为必要成分，如果需要，还含有≤0.3％的Al和≤0.005％的B，并且具有余量为Fe和不可避免的杂质，其中Cu和Mo的含量分别为0.5〜1.5％和0.5〜1.2％。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2014172077A Manufacturing method of stainless steek strip 有权
标题翻译：不锈钢条的制造方法
公开(公告)号：JP2014172077A
公开(公告)日：2014-09-22
申请号：JP2013047988
申请日：2013-03-11
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： MIZOGUCHI TAICHIRO , SHIOTSUKI KATSUYUKI , MORIMOTO KENICHI , HARADA WAKAHIRO
IPC分类号： B21B45/06 , B21B3/02 , C21D7/06 , C22C38/00 , C22C38/50 , C23G1/08
摘要： PROBLEM TO BE SOLVED: To provide a technology for highly efficiently descaling a stainless annealing steel strip by a scale breaker, a shot blast and acid cleaning treatment.SOLUTION: In the manufacturing method of the stainless steel strip, when applying shot blast treatment to a surface of a stainless hot rolled annealing steel strip, an average particle size of a projection material is 0.25-0.80 mm, a projection speed is 40-100 m/s, and projection energy falls within a range of an annealing method and the following formula corresponding toa Cr quantity, and then, acid cleaning is applied. A Bell annealing stainless steel strip: 5/3Cr+200/3Cr+760(kJ/m) or more, and a continuous annealing stainless steel strip: 50(kJ/m) or more, and the projection energy is 0.5×projection density×a projection speed. Here, Cr in the formula is the Cr content (mass%) of a steel material.
摘要翻译：要解决的问题：提供一种用于通过断屑器，喷丸和酸洗处理来高效除锈不锈钢退火钢带的技术。解决方案：在不锈钢带的制造方法中，当将喷丸处理应用于不锈钢热轧退火钢带的表面，投影材料的平均粒径为0.25-0.80mm，投影速度为40-100m / s，投影能量落在退火方法和下列公式的范围内对应于Cr量，然后进行酸洗。贝氏退火不锈钢带：5 / 3Cr + 200 / 3Cr + 760（kJ / m）以上，连续退火不锈钢带：50（kJ / m）以上，投影能量为0.5×投影密度 ×投影速度。这里，Cr为Cr含量（质量％）。

10. 发明专利

JP2007217776A Stainless steel member having crevice structure 有权
标题翻译：不锈钢构件具有结构结构
公开(公告)号：JP2007217776A
公开(公告)日：2007-08-30
申请号：JP2006042086
申请日：2006-02-20
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： MIZOGUCHI TAICHIRO , TOMIMURA HIROKI , HARADA WAKAHIRO
IPC分类号： C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a technique capable of stably evading trouble caused by stress corrosion cracking in a worked member usable in an air atmosphere where chloride is easy to be stuck to a crevice part by using an austenitic stainless steel in which the content of Ni is suppressed to ≤14% at most and a large quantity of Si is not added.
SOLUTION: The stainless steel member has, as a component, an austenitic stainless steel having a composition containing, by mass, ≤0.08% C, ≤1.5% Si, ≤2.0% Mn, 8.0 to 14.0% Ni, 15.0 to 22.0% Cr, 0.5 to 4.5% Mo, ≤1.0% Cu and ≤0.08% N, and the balance substantially Fe, and also satisfying Cr+3Mo≥20, and having a crevice structure formed by welding or plastic working joining in a part of the surface. The crevice structure has a crevice spacing of ≤0.5 mm, and is used so as to be exposed to an air atmosphere. The stainless steel member is suitable for an automobile oil supply system member.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种技术，其能够稳定地避免在可用于气体环境中的应力腐蚀开裂引起的问题，其中氯化物易于通过使用奥氏体不锈钢粘附到缝隙部分，其中， Ni的含量最多被抑制至≤14％，并且不添加大量的Si。解决方案：不锈钢构件具有作为组分的奥氏体不锈钢，其具有质量含量为≤0.08％C，≤1.5％Si，≤2.0％Mn，8.0至14.0％Ni，15.0至 22.0％Cr，0.5〜4.5％Mo，≤1.0％Cu和≤0.08％N，余量基本上为Fe，并且也满足Cr +3Mo≥20，并且具有通过焊接或塑性加工形成的缝隙结构的表面。缝隙结构的缝隙间距≤0.5mm，用于暴露于空气中。不锈钢构件适用于汽车供油系统构件。版权所有（C）2007，JPO＆INPIT

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