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1. 发明专利

JP2013169579A Seal box welding equipment of electric resistance welded steel pipe 审中-公开
标题翻译：电焊管密封焊接设备
公开(公告)号：JP2013169579A
公开(公告)日：2013-09-02
申请号：JP2012035927
申请日：2012-02-22
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社 , Nisshin Kokan Kk , 日新鋼管株式会社
发明人： OMOSAKO KOJI , AKIZUKI MAKOTO , TASHIRO TAKANORI , IGAWA SHIGENOBU , FUJIMOTO KAHO , KANAZAWA HIROKI
IPC分类号： B21C37/08 , B23K13/00 , B23K13/02 , B23K13/06
摘要： PROBLEM TO BE SOLVED: To completely prevent a penetrator crack by carrying out gas shielded welding where an oxygen concentration of a welding point or its periphery in a seal box is 300 ppm or less, and further to suppress degradation of a fatigue life.SOLUTION: Seal box welding equipment of an electric resistance welded tube includes: a seal box entrance gas supply pipe (30), a high-frequency heating coil (22), a preheating part gas supply pipe (70), a first oxygen concentration meter (51), a squeeze roll (23), a welding point gas supply pipe (31), a gas supply pipe (32) for adjusting seal box atmosphere in a seal box (5). An impeder (8) is included in the electric resistance welded tube (6), and inert atmosphere gas supply is controlled so that the oxygen concentration at the welding point or its periphery in the seal box (5) is 300 ppm or less.
摘要翻译：要解决的问题：为了通过进行气密保护焊接来完全防止穿透器裂纹，其中焊接点的氧浓度或其周边在密封箱中的氧浓度为300ppm以下，并且进一步抑制疲劳寿命的劣化。解决方案：电阻焊管的密封箱焊接设备包括：密封箱入口气体供给管（30），高频加热线圈（22），预热部分气体供给管（70），第一氧浓度计（51）），挤压辊（23），焊点气体供给管（31），用于调节密封箱（5）中的密封箱气氛的气体供给管（32）。电阻焊接管（6）中包括阻抗器（8），并且控制惰性气体气体供给，使得密封箱（5）的焊接点或其周边处的氧浓度为300ppm以下。

2. 发明专利

JP2011206813A Seal box welding equipment of electric resistance welded tube 有权
标题翻译：电焊管密封焊接设备
公开(公告)号：JP2011206813A
公开(公告)日：2011-10-20
申请号：JP2010077148
申请日：2010-03-30
申请人： Nisshin Kokan Kk , Nisshin Steel Co Ltd , 日新製鋼株式会社 , 日新鋼管株式会社
发明人： AKIZUKI MAKOTO , OMOSAKO KOJI , SUZAKI TSUNETOSHI , KANAZAWA HIROKI
IPC分类号： B23K13/00 , B23K13/06 , B23K37/08
摘要： PROBLEM TO BE SOLVED: To eliminate penetrator crack and to enable dealing with different tube dimensions, by performing gas shielded welding in a seal box.SOLUTION: The seal box welding equipment of an electric resistance welded tube includes, from the entrance to the exit of a seal box (5), a seal box entrance gas supply pipe (30), a high frequency heating coil (22), a squeeze roll (23), a welding point gas supply pipe (31), a gas supply pipe (32) for adjusting seal box atmosphere, and an oxygen densitometer (33). The seal box welding equipment is configured such that an impeder (8) is provided in an electric resistance welded tube (6), that oxygen concentration inside the seal box (5) is set to be ≤100 ppm, and that the gas flow rate for adjusting seal box atmosphere is set to be ≥100 L/min, with the gas flow rate from the welding point gas supply pipe (31) set to be ≥100 L/min.
摘要翻译：要解决的问题：通过在密封箱中进行气体保护焊，消除穿透裂纹并能够处理不同的管尺寸。解决方案：电阻焊管的密封箱焊接设备包括从入口到出口密封箱（5），密封箱入口气体供给管（30），高频加热线圈（22），挤压辊（23），焊接点气体供给管（31），气体供给管）和氧气密度计（33）。密封箱焊接设备被构造成使得在电阻焊管（6）中设置阻抗器（8），密封箱（5）内的氧浓度设定为≤100ppm，并且气体流量用于调节密封箱气氛设定为≥100L/ min，焊点气体供给管（31）的气体流量设定为≥100L/ min。

3. 发明专利

JP2014188569A Welding method for electroseamed steel pipe using seal box 有权
标题翻译：电焊条使用密封条的焊接方法
公开(公告)号：JP2014188569A
公开(公告)日：2014-10-06
申请号：JP2013068239
申请日：2013-03-28
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社 , Nisshin Kokan Kk , 日新鋼管株式会社
发明人： AKIZUKI MAKOTO , OMOSAKO KOJI , IGAWA SHIGENOBU , KANAZAWA HIROKI
IPC分类号： B23K13/06 , B23K13/00 , B23K13/08 , B23K37/08
摘要： PROBLEM TO BE SOLVED: To zero out penetrator crack and to cope with pipe dimension variation by performing gas shield welding in a seal box.SOLUTION: A welding method for an electroseamed steel pipe using a seal box includes, from an inlet side to an outlet side of a seal box (5), a seal box entrance gas supply pipe (30), a high frequency heating coil (22), a squeeze roll (23), a welding point gas supply pipe (31), a gas supply pipe (32) for adjusting seal box atmosphere, and an enzyme concentration meter (33). An impeder (8) is provided in an electroseamed steel pipe (6). The impeder (8)and an inner surface bead cutting device (7) are cooled with inactive gas of liquid at flow rate of 5 L/min or higher. The oxygen concentration in the seal box (5) is set to be 100 ppm or less, and a seal box atmosphere adjustment gas flow rate to be 100 L/min or higher. Gas flow rate from the welding point gas supply pipe (31) is set to be 50 L/min or higher.
摘要翻译：要解决的问题：通过在密封箱中进行气体屏蔽焊接，清除穿透裂纹并应对管道尺寸变化。解决方案：使用密封盒的电铸钢管的焊接方法包括从入口侧到出口密封箱（5）的侧面，密封箱入口气体供给管（30），高频加热线圈（22），挤压辊（23），焊接点气体供给管（31），气体供给管（32），用于调节密封箱气氛，以及酶浓度计（33）。阻电器（8）设置在电动钢管（6）中。阻流体（8）和内表面珠切割装置（7）以5L / min以上的流量以液体的惰性气体冷却。密封箱（5）中的氧浓度设定为100ppm以下，密封箱气氛调整气体流量为100L / min以上。来自焊点气体供给管（31）的气体流量设定为50L / min以上。

4. 发明专利

JP2013208637A Seal box welding method of electric resistance welded tube 审中-公开
标题翻译：电阻焊管密封焊接方法
公开(公告)号：JP2013208637A
公开(公告)日：2013-10-10
申请号：JP2012079757
申请日：2012-03-30
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社 , Nisshin Kokan Kk , 日新鋼管株式会社
发明人： OMOSAKO KOJI , AKIZUKI MAKOTO , TASHIRO TAKANORI , IGAWA SHIGENOBU , FUJIMOTO KAHO , KANAZAWA HIROKI
IPC分类号： B23K13/06
摘要： PROBLEM TO BE SOLVED: To eliminate the penetrator crack of a steel pipe, and further, to suppress the degradation of a fatigue life by controlling the mean surface temperature of a weld bead portion and the width of a white band inside a seal box.SOLUTION: A seal box welding method of an electric resistance welded tube is a method performing the welding of a weld zone by heat input in which an open pipe (1) is conveyed while supplying an inert gas to a preheating portion before a weld point (11) inside the seal box (5) and in the weld point (11), the bead temperature of the weld zone of the open pipe (1) is ≥1,300°C, and the width of a white band on the surface layer portion in the plate thickness of the weld zone is ≥100 μm.
摘要翻译：要解决的问题：为了消除钢管的穿透裂纹，并且通过控制焊道的平均表面温度和密封箱内的白色带的宽度来抑制疲劳寿命的劣化。：电阻焊接管的密封箱焊接方法是通过热输入进行焊接区域的焊接方法，其中在向熔融点（11）之前的预热部分供给惰性气体的同时输送开口管（1））和焊接点（11）中，开口管（1）的焊接区域的焊道温度≥1300℃，表面层部分的白色带宽度焊接区域的板厚度≥100μm。

5. 发明专利

JP2013112890A Press working annealed steel sheet, manufacturing method therefor, and machine component excellent in wear resistance 审中-公开
标题翻译：压力工作钢板，其制造方法和耐磨性优异的机器组件
公开(公告)号：JP2013112890A
公开(公告)日：2013-06-10
申请号：JP2011263080
申请日：2011-11-30
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： OMOSAKO KOJI , TAGASHIRA SATOSHI , AKIZUKI MAKOTO
IPC分类号： C22C38/00 , C21D1/06 , C21D1/18 , C21D8/02 , C21D9/00 , C21D9/46 , C22C38/58 , C23C8/22
摘要： PROBLEM TO BE SOLVED: To provide a steel sheet of superior press workability, which is capable of attaining superior abrasive wear resistance after refining heat treatment.SOLUTION: This steel sheet includes, by mass, C: 0.10-0.30%, Si: 0.03-1.00%, Mn: 0.10-2.50%, P: 0.001-0.030%, S: 0.001-0.030%, Cr: 0-2.00%, Ti: 0-0.25%, Nb: 0-0.25%, V: 0-1.00%, Ni: 0-2.00%, Mo: 0-1.0%, B: 0-0.0200%, T.Al: 0.005-0.070%, N: 0.001-0.008% and the balance of Fe and inevitable impurities, and has a chemical composition satisfying Mn+Cr: 1.00-3.00% and Ti+Nb: 0.07% or more. This press working annealed steel sheet has a cross sectional hardness of 200 HV or less, and has a small anisotropy of local elongation.
摘要翻译：要解决的问题：提供一种优异的冲压加工性的钢板，其能够在精炼热处理后获得优异的耐磨性。＆lt; P＆gt;解决方案：该钢板以质量计包含C：0.10〜0.30％，Si：0.03〜1.00％，Mn：0.10〜2.50％，P：0.001-0.030％，S：0.001-0.030％，Cr： 0-2.00％，Ti：0-0.25％，Nb：0-0.25％，V：0-1.00％，Ni：0-2.00％，Mo：0-1.0％，B：0-0.0200％：0.005-0.070％，N：0.001-0.008％，余量为Fe和不可避免的杂质，化学组成满足Mn + Cr：1.00-3.00％，Ti + Nb：0.07％以上。该压制加工退火钢板的截面硬度为200HV以下，局部伸长率的各向异性小。版权所有（C）2013，JPO＆INPIT

6. 发明专利

JP2009191330A Electric resistance steel tube 审中-公开
标题翻译：电阻钢管
公开(公告)号：JP2009191330A
公开(公告)日：2009-08-27
申请号：JP2008034807
申请日：2008-02-15
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： AKIZUKI MAKOTO , OMOSAKO KOJI , SUZAKI TSUNETOSHI
IPC分类号： C22C38/00 , C21D8/02 , C22C38/38
摘要： PROBLEM TO BE SOLVED: To provide an electric resistance steel tube which can be produced at high productivity while suppressing production cost, and further includes excellent workability and fatigue properties after quenching and tempering.
SOLUTION: The electric resistance steel tube includes a chemical composition comprising, by mass, 0.15 to 0.30% C, ≤0.30% Si, 1.0 to 2.0% Mn, ≤0.030% P, ≤0.010% S, 0.2 to 1.5% Cr, 0.005 to 0.03% Ti, 0.005 to 0.10% sol.Al, ≤0.010% N and 0.0010 to 0.0070% B, and the balance Fe with inevitable impurities, and in which the values of X and Y shown by formula X=3C+1.5Mn+2Cr+120S+90Ti and formula Y=20C+250Mn+35Cr+350B respectively satisfy X 300. The steel tube includes a mixed structure of ferrite and pearlite or a mixed structure of ferrite and cementite.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：提供一种能够在抑制生产成本的同时以高生产率生产的电阻钢管，并且还进一步包括淬火回火后的优异的加工性和疲劳特性。电解钢管包括以质量计含有C：0.15〜0.30％Si，1.0〜2.0％Mn，≤0.030％P，≤0.010％S，0.2〜1.5％ Cr，0.005〜0.03％的Ti，0.005〜0.10％的溶胶，Al，≤0.010％的N和0.0010〜0.0070％的B，余量为Fe与不可避免的杂质，其中X和Y的值由式X = 3C + 1.5Mn + 2Cr + 120S + 90Ti，式Y = 20C + 250Mn + 35Cr + 350B分别满足X <8且Y> 300。钢管包括铁素体和珠光体的混合结构或铁素体和渗碳体的混合结构。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2007182614A HIGH-STRENGTH Al-PLATED STEEL SHEET FOR BAND OF CATHODE RAY TUBE, AND MANUFACTURING METHOD THEREFOR 审中-公开
标题翻译：阴极射线管用高强度镀层钢板及其制造方法
公开(公告)号：JP2007182614A
公开(公告)日：2007-07-19
申请号：JP2006002104
申请日：2006-01-10
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： OMOSAKO KOJI , MATSUMOTO TAKASHI , KONDO TOSHIHIRO , KODAMA SHINICHI
IPC分类号： C22C38/00 , C21D9/46 , C22C38/16 , C23C2/12 , H01J29/87
CPC分类号： Y02P10/212
摘要： PROBLEM TO BE SOLVED: To provide a high-strength hot-dip Al-plated steel sheet which is superior in corrosion resistance and formability, is used for a band of a cathode ray tube, and contains a proper amount of solid-solution strengthening elements of Si, Mn and P or precipitation strengthening elements of Ti and Nb for increasing the strength. SOLUTION: A base steel sheet for the Al-plated steel sheet includes 0.05-0.18 mass% C, 0.7 mass% or less Si, 0.5-2.2 mass% Mn, 0.10 mass% or less P, 0.015 mass% or less S, 0.01-0.10 mass% or less Sol. Al, 0.1-0.30 mass% Cu, and further one or two elements of Ti and Nb in a total amount of 0.03-0.12 mass%, or 0.0003-0.0050 mass% B, as needed. The manufacturing method comprises the steps of: forming an Fe-based electroplated layer on the base steel sheet, as needed; and then forming a hot-dip-plated Al layer thereon. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供耐腐蚀性和成形性优异的高强度热浸镀铝钢板，用于阴极射线管的带，并且含有适量的固体 - Si，Mn和P的溶液强化元素或Ti和Nb的析出强化元素以提高强度。镀层钢板的基材钢板包含0.05-0.18质量％的C，0.7质量％以下的Si，0.5〜2.2质量％的Mn，0.10质量％以下的P，0.015质量％以下 S，0.01-0.10质量％以下。 Al，0.1〜0.30质量％的Cu，还有一种或两种Ti和Nb的元素，总量为0.03-0.12质量％，或0.0003-0.0050质量％的B。该制造方法包括以下步骤：根据需要在基材钢板上形成Fe基电镀层; 然后在其上形成热浸镀Al层。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2005013535A Steel shaft for golf club 审中-公开
标题翻译：高尔夫俱乐部的钢轴
公开(公告)号：JP2005013535A
公开(公告)日：2005-01-20
申请号：JP2003183808
申请日：2003-06-27
申请人： Nippon Shaft Co Ltd , Nisshin Steel Co Ltd , 日新製鋼株式会社 , 日本シャフト株式会社
发明人： JUFUKU HIROYUKI , OMOSAKO KOJI , KADANI SHOICHI , HIRAMATSU TERUSHI
IPC分类号： A63B53/12 , C21D9/00 , C22C38/00 , C22C38/40 , C22C38/50
摘要： PROBLEM TO BE SOLVED: To provide a lightweight steel shaft excellent in properties of strengths, toughness, elasticity, repulsion, and the like, by refining it to have a metallographic texture comprising an appropriately controlled amount of retained austenite through quenching and tempering. SOLUTION: This steel shaft is made of a welded steel pipe comprising 0.40-0.70 mass% C, not more than 0.60 mass% Si, 0.60-1.20 mass% Mn, not more than 0.020 mass% P, not more than 0.015 mass% S, not more than 0.05 mass% Al, 0.30-1.00 mass% Cr and 0.30-1.20 mass% Ni and heat-treated to the metallographic texture comprising 3-8% by area ratio of the retained austenite, wherein the steel pipe is fabricated into a shaft form and then quenched and tempered. A steel material comprising one kind or two or more kinds selected from the group consisting of 0.10-0.50 mass% Mo, 0.05-0.40 mass% V, 0.03-0.15 mass% Nb, 0.05-0.50 mass% Ti, not more than 0.30 mass% Cu and not more than 0.01 mass% Ca can be used as well. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供优异的强度，韧性，弹性，排斥性等优异的轻质钢轴，通过将其精炼成具有通过淬火回火的包含适当控制量的残余奥氏体的金相组织。解决方案：该钢轴由焊接钢管制成，包括Si：0.40-0.70质量％，Si：0.60质量％，Mn：0.60-1.20质量％，P：0.020质量％以下，P：0.015以下质量％S，不大于0.05质量％的Al，0.30-1.00质量％的Cr和0.30-1.20质量％的Ni，并对包含残余奥氏体的3-8面积比的金相组织进行热处理，其中钢管制成轴形，然后淬火和回火。包含选自0.10-0.50质量％Mo，0.05-0.40质量％V，0.03-0.15质量％Nb，0.05-0.50质量％Ti，不大于0.30质量％中的一种或两种以上的钢材也可以使用Cu和不大于0.01质量％的Ca。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2004190063A High strength steel sheet having high workability and improved corrosion resistance and spot weldability, and its manufacturing method 有权
公开(公告)号：JP2004190063A
公开(公告)日：2004-07-08
申请号：JP2002356624
申请日：2002-12-09
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： FUJIWARA SUSUMU , OMOSAKO KOJI , TANAKA HIROSHI , YAMAMOTO TOMOO
IPC分类号： B21B1/22 , B21B3/00 , C21D9/46 , C22C38/00 , C22C38/58 , C23G1/08
摘要： PROBLEM TO BE SOLVED: To provide a high strength steel sheet excellent in corrosion resistance of base material and spot weldability and having a superior strength/ductility balance suitable for use as a steel sheet for automotive bodies.
SOLUTION: The high strength steel sheet having high workability and improved corrosion resistance and spot weldability has a composition which consists of, by mass, 0.08 to 0.25% C, 0.6 to 2.5% Si, 1.2 to 2.5% Mn, ≤0.015% P, ≤0.005% S, 0.015 to 0.150% Cu, 0.001 to 2.5% sol.Al, ≤0.008% N, 0 (not added, the same applies to the following) to 0.06% Ti, 0 to 0.06% Nb, 0 to 2.0% Ni, 0 to 2.0% Mo, 0 to 2.0% Cr, 0 to 1.0% Co and the balance Fe with inevitable impurities, wherein the contents of Cu and S are regulated in such a way that Cu/S≥5 is satisfied. In particular, the steel sheet is provided in which Si+sol.Al≥0.7 is satisfied and ≥5 vol.% of retained γ-phase is contained in a metallic structure and a product of tensile strength TS (N/mm
2 ) and elongation EL (%) is made to ≥20,000.
COPYRIGHT: (C)2004,JPO&NCIPI

10. 发明专利

JP2012180541A Carburizing steel plate having excellent workability and mechanical-structural member 有权
标题翻译：加工优良的可加工性和机械结构件的钢板
公开(公告)号：JP2012180541A
公开(公告)日：2012-09-20
申请号：JP2011042729
申请日：2011-02-28
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： AKIZUKI MAKOTO , OMOSAKO KOJI
IPC分类号： C22C38/00 , C21D9/46 , C22C38/38 , C23C8/22
摘要： PROBLEM TO BE SOLVED: To provide a steel plate of a boron steel which has excellent workability, and also, can obtain high quench hardness at the surface layer part in carburizing and quenching at a low carbon potential.SOLUTION: The carburizing steel plate having excellent workability has a composition comprising, by mass, 0.10 to 0.50% C, ≤0.50% Si, 0.20 to 1.8% Mn, 0.20 to 2.0% Cr, ≤0.02% P, ≤0.02% S, 0.01 to 0.20% Ti, 0.002 to 0.10% Al and 0.0005 to 0.0050% B, and the balance Fe with inevitable impurities, and in which carbonized materials are dispersed into ferrite, the average distance between the carbonized materials is ≥0.8 μm, X value defined by formula (1) is ≤40, Y value defined by formula (2) is ≥30, and also, hardness is ≤150 HV: X=30C+30Si+20Mn+5Cr+150S+80Ti-1.5 average distance between the carbides (1), and Y=5C+22Mn+32Cr (2).
摘要翻译：要解决的问题：提供一种具有优异的加工性的硼钢钢板，并且在低碳电位的渗碳淬火中，在表层部分可获得高淬火硬度。解决方案：具有优异的加工性的渗碳钢板具有质量分数为0.10〜0.50％的C，≤0.50％的Si，0.20〜1.8％的Mn，0.20〜2.0％的Cr，≤0.02％的P，≤0.02 ％S，0.01〜0.20％Ti，0.002〜0.10％Al和0.0005〜0.0050％B，余量为Fe与不可避免的杂质，碳化材料分散在铁素体中，碳化材料之间的平均距离为≥0.8μm ，式（1）定义的X值≤40，式（2）定义的Y值≥30，硬度≤150HV：X = 30C + 30Si + 20Mn + 5Cr + 150S + 80Ti-1.5平均值碳化物（1）之间的距离，Y = 5C + 22Mn + 32Cr（2）。版权所有（C）2012，JPO＆INPIT

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