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1. 发明授权

EP2112245B1 FERRITIC STAINLESS STEEL FOR EXHAUST GAS PASSAGE MEMBER 有权转让
标题翻译：铁素体不锈钢的排气通道COMPONENT
公开(公告)号：EP2112245B1
公开(公告)日：2015-06-03
申请号：EP08710877.5
申请日：2008-01-31
申请人： NISSHIN STEEL CO., LTD.
发明人： OKU, Manabu , TOMITA, Takeo
IPC分类号： C22C38/00 , C21D9/46 , C22C38/54 , C21D8/02 , C22C38/32
CPC分类号： C22C38/24 , C21D6/002 , C21D8/0273 , C21D9/46 , C22C38/18 , C22C38/20 , C22C38/26 , C22C38/28 , F01N13/16

2. 发明授权

EP2998056B1 PROCESS FOR PRODUCING STAINLESS STEEL DIFFUSION-JOINED PRODUCT 有权转让
公开(公告)号：EP2998056B1
公开(公告)日：2018-07-11
申请号：EP13884826.2
申请日：2013-05-15
申请人： Nisshin Steel Co., Ltd.
发明人： SUGAMA, Atsushi , NISHIDA, Yukihiro , KAGEOKA, Kazuyuki , HORI, Yoshiaki , OKU, Manabu
IPC分类号： B23K20/00 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/54 , B23K35/30 , B23K20/02 , B23K20/227 , C21D9/00 , C21D9/50 , B23K103/04 , C21D6/00
CPC分类号： B23K20/023 , B23K20/00 , B23K20/02 , B23K20/227 , B23K35/308 , B23K35/3086 , B23K2103/05 , C21D6/002 , C21D9/50 , C22C38/00 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/54
摘要： A method for producing a stainless steel diffusion-bonded product is aimed for providing a stainless steel material diffusion-bonded product having excellent reliability of the bonded portion by using a "direct method" which can be performed with a work load equivalent to that of a conventional insert material insertion method, and the method includes directly contacting stainless steel materials with each other to unify the materials together by diffusion bonding, and in the method, at least one of the stainless steel materials to be contacted is dual-phase steel having an austenite transformation starting temperature Ac 1 point of 650 to 950°C during the temperature elevation and having an austenite + ferrite dual-phase temperature region in the range of 880°C or higher, and the diffusion bonding is advanced under conditions such that the contact surface pressure is in the range of 1.0 MPa or less and the heating temperature is in the range of from 880 to 1, 080°C while being accompanied by the movement of grain boundary caused when the ferrite phase in the dual-phase steel undergoes transformation to an austenite phase.

3. 发明公开

EP3216888A1 STAINLESS STEEL MATERIAL FOR DIFFUSION BONDING 有权转让
标题翻译：用于扩散粘合的不锈钢材料
公开(公告)号：EP3216888A1
公开(公告)日：2017-09-13
申请号：EP15857850.0
申请日：2015-10-16
申请人： Nisshin Steel Co., Ltd.
发明人： SUGAMA, Atsushi , KAGEOKA, Kazuyuki , HORI, Yoshiaki , IMAKAWA, Kazunari , OKU, Manabu
IPC分类号： C22C38/00 , C22C38/58
CPC分类号： C22C38/50 , C21D2211/001 , C21D2211/005 , C21D2211/008 , C22C38/00 , C22C38/001 , C22C38/02 , C22C38/06 , C22C38/58
摘要： Provided is a stainless steel material suitable for diffusion bonded moldings in which diffusion bondability has been further improved without being affected by the extent of surface roughness. The present invention is a stainless steel material for diffusion bonding in which the metal structure before diffusion bonding has a multi-phase structure obtained from two or more of a ferrite phase, a martensite phase and an austenite phase, wherein: the mean crystal grain diameter in the multi-phase structure is not more than 20 µm; γmax represented by formula (a) is 10-90; and creep elongation when a 1.0 MPa load is applied at 1000°C for 0.5 h is at least 0.2%. γmax = 420 C − 11.5 Si + 7 Mn + 23 Ni − 11.5 Cr − 12 Mo + 9 Cu − 49 Ti − 47 Nb − 52 Al + 470 N + 189 The element notations in formula (a) represent the contents (mass%) of the respective elements.
摘要翻译：本发明提供一种不受表面粗糙度的影响，扩散接合性进一步提高的适合于扩散接合成型体的不锈钢材料。本发明是一种扩散接合用不锈钢材，其中扩散接合前的金属组织具有由铁素体相，马氏体相和奥氏体相中的两种以上得到的多相组织，其中：平均晶粒直径在多相结构中不大于20μm; 由式（a）表示的γmax为10-90; 当在1000℃下施加1.0MPa的载荷0.5h时的蠕变伸长率为至少0.2％。 γmax= 420C-11.5Si + 7Mn + 23Ni-11.5Cr-12Mo + 9Cu-49Ti-47Nb-52Al + 470N + 189式（a）中的元素符号表示各元素的含量（质量％）。

4. 发明公开

EP3109582A1 PLATE-TYPE HEAT EXCHANGER AND METHOD FOR PRODUCING SAME 有权转让
标题翻译： VERFAHREN ZUR HERSTELLUNG DAVON的WÄRMETAUSCHERVOM PLATTEYYP
公开(公告)号：EP3109582A1
公开(公告)日：2016-12-28
申请号：EP15752539.5
申请日：2015-02-18
申请人： Nisshin Steel Co., Ltd.
发明人： SUGAMA, Atsushi , OKU, Manabu , HORI, Yoshiaki , IMAKAWA, Kazunari
IPC分类号： F28F3/08 , B23K1/00 , B23K20/00 , F28D9/02 , F28F3/04
摘要： This plate-type heat exchanger which ensures air-tightness can be easily produced by performing solid-phase diffusion bonding without using a brazing material in at least part of the joining of lateral-end surfaces of plate-type components constituting a plate-type heat exchanger, and the joining of a channel for upper and lower plate-type components. The present invention involves: a rectangular plate-type component constituting the heat exchanger case being a box-type component provided with a vertical wall section along the peripheral edge thereof; box-type components (1, 2) which have the same shape being configured in a manner such that the orientation of the horizontal surface of one of the box-type components is reversed; layering the box-type components (1, 2) in order; engaging the upper section of the vertical wall section of the lower-layer component with the lower section of the vertical wall section of the upper-layer component; setting the angle (θ) of the vertical wall section to θ≤30°; and performing solid-phase diffusion bonding in at least part of the contact site between the vertical wall section of the upper-layer component and the vertical wall section of the lower-layer component.
摘要翻译：通过进行固相扩散接合而不使用钎焊材料，能够容易地制造保证气密性的板式热交换器，所述板状热交换器至少部分连接构成板式热的板状部件的侧端面交换器，以及用于上板和下板组件的通道的连接。本发明涉及：构成热交换器壳体的矩形板状部件是沿其周缘设置有垂直壁部的箱型部件，具有相同形状的盒型部件（1,2）以使得一个箱型部件的水平表面的取向相反的方式配置; 按顺序分层箱型组件（1,2）; 将下层部件的垂直壁部的上部与上层部件的垂直壁部的下部接合; 将垂直壁段的角度（¸）设置为¸‰¤30°; 并且在上层部件的垂直壁部和下层部的垂直壁部之间的接触部位的至少一部分中进行固相扩散接合。

5. 发明公开

EP2184376A1 AL-PLATED STEEL SHEET FOR EXHAUST GAS PASSAGEWAY MEMBERS OF MOTORCYCLES EXCELLENT IN HIGH-TEMPERATURE STRENGTH AND MEMBERS 审中-公开
标题翻译：于排气AL-镀锌钢板通道摩托车具有优良的高温强度和元素的元素
公开(公告)号：EP2184376A1
公开(公告)日：2010-05-12
申请号：EP08778367.6
申请日：2008-07-29
申请人： NISSHIN STEEL CO., LTD.
发明人： HORI, Yoshiaki , NAKAMURA, Sadayuki , OKU, Manabu , UENO, Shin , HATTORI, Yasunori
IPC分类号： C23C2/12 , C22C21/02 , C22C38/00 , C22C38/38 , C22C38/58 , C23C2/20 , F01N7/16
CPC分类号： C23C2/12 , C22C21/02 , C22C38/26 , C23C2/20 , F01N13/16 , F01N2590/04 , Y10T428/12757
摘要： Provided is an Al-plated steel sheet for motorcycle exhaust gas passageway members excellent in high-temperature strength and red scale resistance, which is produced by dipping a substrate steel sheet comprising, in terms of % by mass, at most 0.02% of C, at most 2% of Si, at most 2% of Mn, from 5 to 25% of Cr, from more than 0.1 to 1% of Nb, at most 0.3% of Ti, at most 0.02% of N, and optionally at least one of at most 0.6% of Ni, at most 0.2% of Al, at most 3% of Mo, at most 3% of Cu, at most 3% of W, at most 0.5% of V, at most 0.5% of Co and at most 0.01% of B, with a balance of Fe and inevitable impurities, in a hot-dip Al-base plating bath to thereby form a hot-dip plating layer having a mean thickness of from 3 to 20 µm on the surface thereof.
摘要翻译：本发明提供一种镀Al钢板用于摩托车排气通道部件具有优异的高温强度和红氧化皮性，在所有这是由按质量计中浸渍基材钢板，其包括，以质量％生产，C：0.02％到，在硅的2％以下，在Mn为2％以下，从5到的Cr，从超过0.1的25％与Nb的1％，至多钛的0.3％，至多0.02％的N，和任选至少的Ni中的0.6％，至多的Al 0.2％，至多沫的3％以下，Cu的3％，至多W的3％，最多的V为0.5％，至多钴的0.5％的一种且至多0.01％至B，与Fe和不可避免的杂质的平衡的，在热浸Al基镀浴20个微米，从而形成在表面上具有从3到的平均厚度的热浸镀覆层或其，

6. 发明公开

EP2460899A1 FERRITIC STAINLESS STEEL FOR EGR COOLER AND EGR COOLER 审中-公开
标题翻译： AGR-KÜHLERFERRITISCHER EDELSTAHLFÜRAGR-KÜHLER
公开(公告)号：EP2460899A1
公开(公告)日：2012-06-06
申请号：EP09847785.4
申请日：2009-07-27
申请人： Nisshin Steel Co., Ltd.
发明人： OKU, Manabu , NAKAMURA, Sadayuki , HORI, Yoshiaki
IPC分类号： C22C38/00 , C22C38/38 , C22C38/58 , F02M25/07
CPC分类号： C22C38/02 , C22C38/001 , C22C38/04 , C22C38/26 , F02M26/11 , F02M26/32 , F28D7/16 , F28F21/083 , F28F2009/029
摘要： [Problem] Provided are a ferritic stainless steel suitable for EGR cooler members to be Ni-brazed, and an EGR cooler comprising the steel.
An EGR cooler having a structure joined by Ni-brazing is produced by using a ferritic stainless steel which contains, by mass, C: at most 0.03%, Si: from more than 0.1 to 3%, Mn: from 0.1 to 2%, Cr: from 10 to 25%, Nb: from 0.3 to 0.8%, and N: at most 0.03%, and optionally selectively contains (a) one or more of Mo, Cu, V and W in a total amount of at most 4%, (b) one or more of Ti, Al and Zr in a total amount of at most 0.3%, (c) one or more of Ni and Co in a total amount of at most 5%, and (d) one or more of REMs (rare earth metals) and Ca in a total amount of at most 0.2%, with a balance of Fe and inevitable impurities.
摘要翻译： [问题]提供一种适用于要进行镍钎焊的EGR冷却器构件的铁素体不锈钢和包括该钢的EGR冷却器。通过使用铁素体不锈钢制造具有通过Ni钎焊连接的结构的EGR冷却器，所述铁素体系不锈钢以质量计含有C：0.03％以下，Si：0.1〜3％，Mn：0.1〜2％ Cr：10〜25％，Nb：0.3〜0.8％，N：0.03％以下，任意选择性地含有（a）总量最多为4的Mo，Cu，V和W中的一种或多种％，（b）Ti，Al和Zr中的一种或多种，总量最多为0.3％，（c）Ni和Co中的一种或多种，总量为至多5％，和（d）一种或多种更多的REM（稀土金属）和Ca总量最多为0.2％，余量为Fe和不可避免的杂质。

7. 发明公开

EP2112245A1 FERRITIC STAINLESS STEEL FOR EXHAUST GAS PASSAGE MEMBER 有权转让
标题翻译： FERRITISCHER NICHTROSTENDER STAHLFÜRABGASPASSAGENBAUEMENT
公开(公告)号：EP2112245A1
公开(公告)日：2009-10-28
申请号：EP08710877.5
申请日：2008-01-31
申请人： NISSHIN STEEL CO., LTD.
发明人： OKU, Manabu , TOMITA, Takeo
IPC分类号： C22C38/00 , C21D9/46 , C22C38/54 , F01N7/16
CPC分类号： C22C38/24 , C21D6/002 , C21D8/0273 , C21D9/46 , C22C38/18 , C22C38/20 , C22C38/26 , C22C38/28 , F01N13/16
摘要： Provided is a stainless steel for exhaust gas path members, which has a composition including, in terms of % by mass, at most 0.03 % of C, at most 1 % of Si, at most 1.5 % of Mn, at most 0.6 % of Ni, from 10 to 20 % of Cr, from more than 0.5 to 0.7 % of Nb, from 0.05 to 0.3 % of Ti, from more than 1 to 2 % of Cu, at most 0.2 % of V, at most 0.03 % of N, from 0.0005 to 0.02 % of B, and optionally at most 0.1 % of Al, and further optionally at least one of Mo, W, Zr and Co in an amount of at most 4 % in total, with a balance of Fe and inevitable impurities, and which has a texture where the Cu phase and the Nb compound phase having a major diameter of at least 0.5 µm are controlled to be in an amount of at most 10 grains/25 µm 2 each. The stainless steel exhibits excellent thermal fatigue resistance when applied to exhaust gas path members of both cases where the maximum ultimate temperature is high and low, and has excellent low-temperature toughness.
摘要翻译：本发明提供一种排气通道用构件用不锈钢，其特征在于，以质量％计至多为0.03％，Si：1％以下，Mn：1.5％以下，0.6％以下 Ni，Cr的10〜20％，Nb的0.5〜0.7％，Ti的0.05〜0.3％，Cu的1〜2％，V：0.2％以下，0.03％以下 N，0.0005至0.02％的B，以及任选至多0.1％的Al，以及任选的至少一种Mo，W，Zr和Co中的至少一种，其总量最多为4％，余量为Fe和不可避免的杂质，其中具有至少0.5μm的大直径的Cu相和Nb化合物相的织构被控制在至多10个/25μm2的量。当应用于最高极限温度高且低的两种情况下的排气路径构件时，不锈钢表现出优异的耐热疲劳性，并且具有优异的低温韧性。

8. 发明授权

EP0750051B1 FERRITIC STAINLESS STEEL EXCELLENT IN HIGH-TEMPERATURE OXIDATION RESISTANCE AND SCALE ADHESION 失效
标题翻译： ROSTFREIER FERRITISCHER STAHL MIT HERVORRAGENDEN HOCHTEMPERATURKORROSIONSEIGENSCHAFTEN UND ZUNDERADHESION
公开(公告)号：EP0750051B1
公开(公告)日：2002-11-20
申请号：EP94928697.5
申请日：1994-04-26
申请人： NISSHIN STEEL CO., LTD.
发明人： UEMATSU, Yoshihiro , HIRMATSU, Naoto , OKU, Manabu
IPC分类号： C22C38/28 , C22C38/26
CPC分类号： C22C38/26 , F28F21/083

9. 发明公开

EP2998056A1 PROCESS FOR PRODUCING STAINLESS STEEL DIFFUSION-JOINED PRODUCT 有权转让
标题翻译：用于生产扩散加入钢铁产品
公开(公告)号：EP2998056A1
公开(公告)日：2016-03-23
申请号：EP13884826.2
申请日：2013-05-15
申请人： Nisshin Steel Co., Ltd.
发明人： SUGAMA, Atsushi , NISHIDA, Yukihiro , KAGEOKA, Kazuyuki , HORI, Yoshiaki , OKU, Manabu
IPC分类号： B23K20/00 , C22C38/00
CPC分类号： B23K20/023 , B23K20/00 , B23K20/02 , B23K20/227 , B23K35/308 , B23K35/3086 , B23K2203/05 , C21D6/002 , C21D9/50 , C22C38/00 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/54
摘要： A method for producing a stainless steel diffusion-bonded product is aimed for providing a stainless steel material diffusion-bonded product having excellent reliability of the bonded portion by using a "direct method" which can be performed with a work load equivalent to that of a conventional insert material insertion method, and the method includes directly contacting stainless steel materials with each other to unify the materials together by diffusion bonding, and in the method, at least one of the stainless steel materials to be contacted is dual-phase steel having an austenite transformation starting temperature Ac 1 point of 650 to 950°C during the temperature elevation and having an austenite + ferrite dual-phase temperature region in the range of 880°C or higher, and the diffusion bonding is advanced under conditions such that the contact surface pressure is in the range of 1.0 MPa or less and the heating temperature is in the range of from 880 to 1, 080°C while being accompanied by the movement of grain boundary caused when the ferrite phase in the dual-phase steel undergoes transformation to an austenite phase.

10. 发明公开

EP2177642A1 AL-PLATED STEEL SHEET FOR EXHAUST GAS PASSAGEWAY MEMBERS OF MOTORCYCLES AND MEMBERS 审中-公开
标题翻译： AL-PLATTIERTES STAHLBLECHFÜRABGASPASSAGENELEMENTE VONMOTORRÄDERNUND ELEMENTE
公开(公告)号：EP2177642A1
公开(公告)日：2010-04-21
申请号：EP08778366.8
申请日：2008-07-29
申请人： NISSHIN STEEL CO., LTD.
发明人： HORI, Yoshiaki , NAKAMURA, Sadayuki , OKU, Manabu , UENO, Shin , HATTORI, Yasunori
IPC分类号： C23C2/12 , C22C21/02 , C22C38/00 , C22C38/38 , C22C38/58 , C23C2/20 , F01N7/16
CPC分类号： C23C2/12 , B32B15/012 , C22C21/02 , C22C38/02 , C22C38/04 , C22C38/18 , C22C38/28 , F01N13/16 , F01N2590/04
摘要： Provided is an Al-plated steel sheet for motorcycle exhaust gas passageway members excellent in red scale resistance, which is produced by dipping a substrate steel sheet comprising, in terms of % by mass, at most 0.02% of C, at most 1% of Si, at most 1% of Mn, from 5 to 25% of Cr, at most 0.3% of Ti, at most 0.02% of N, and optionally at least one of at most 0.6% of Ni, at most 0.1% of Nb, at most 0.2% of Al, at most 3% of Mo, at most 3% of Cu, at most 3% of W, at most 0.5% of V, at most 0.5% of Co and at most 0.01% of B, with a balance of Fe and inevitable impurities, in a hot-dip Al-base plating bath to thereby form a hot-dip plating layer having a mean thickness of from 3 to 20 µm on the surface thereof.
摘要翻译：本发明提供一种耐摩擦性优异的摩托车废气通道用构件的镀铝钢板，其通过将基材钢板浸渍而成，该基材钢板以质量％计至多为0.02％C，最多为1％ Si，至多1％的Mn，5至25％的Cr，至多0.3％的Ti，至多0.02％的N，以及任选的至多0.6％的Ni，至多0.1％的Nb中的至少一种，至多0.2％的Al，至多3％的Mo，至多3％的Cu，至多3％的W，至多0.5％的V，至多0.5％的Co和至多0.01％的B，在热浸Al基镀液中除去Fe和不可避免的杂质，从而在其表面形成平均厚度为3〜20μm的热浸镀层。

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