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1. 发明申请

US20120325376A1 HIGH-STRENGTH COLD-ROLLED STEEL SHEET AND METHOD FOR PRODUCING THE SAME 有权
标题翻译：高强度冷轧钢板及其制造方法
公开(公告)号：US20120325376A1
公开(公告)日：2012-12-27
申请号：US13517417
申请日：2010-12-24
申请人： Yoichi Makimizu , Yoshitsugu Suzuki , Mai Miyata , Naoto Yoshimi , Junichiro Hirasawa , Shinji Otsuka , Hideki Nagano , Kohei Hasegawa
发明人： Yoichi Makimizu , Yoshitsugu Suzuki , Mai Miyata , Naoto Yoshimi , Junichiro Hirasawa , Shinji Otsuka , Hideki Nagano , Kohei Hasegawa
IPC分类号： B32B15/04 , C21D8/02 , C23C8/80 , C23C8/10 , C23C8/02
CPC分类号： C21D1/74 , C21D1/52 , C21D1/76 , C21D6/005 , C21D6/008 , C21D8/0457 , C21D9/46 , C21D9/48 , C21D9/561 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/18 , C23C8/02 , C23C8/14 , C23C8/80 , C23C22/78 , C23G1/08 , C23G1/081
摘要： A high-strength cold-rolled steel sheet having high chemical convertibility and a tensile strength of 590 MPa or more and a method for producing such a steel sheet are provided. The steel sheet contains, in terms of percent by mass, C: 0.05 to 0.3%, Si: 0.6 to 3.0%, Mn: 1.0 to 3.0%, P: 0.1% or less, S: 0.05% or less, Al: 0.01 to 1%, N: 0.01% or less, and the balance being Fe and unavoidable impurities. The coverage ratio of reduced iron on a steel sheet surface is 40% or more. In order to produce such a steel sheet, an oxidation treatment is performed after cold rolling. Subsequently, annealing is conducted in a furnace in a 1 to 10 vol % H2+balance N2 gas atmosphere with a dew point of −25° C. or less.
摘要翻译：提供了具有高化学可转换性和拉伸强度为590MPa以上的高强度冷轧钢板以及这种钢板的制造方法。钢板以质量％计含有C：0.05〜0.3％，Si：0.6〜3.0％，Mn：1.0〜3.0％，P：0.1％以下，S：0.05％以下，Al：0.01 至1％，N：0.01％以下，余量为Fe和不可避免的杂质。钢板表面的还原铁的覆盖率为40％以上。为了制造这种钢板，在冷轧后进行氧化处理。随后，在1〜10体积％的H 2 +平衡N 2气体气氛中，在露点为-25℃以下的炉中进行退火。

2. 发明授权

US09090952B2 High-strength cold-rolled steel sheet and method for producing the same 有权
标题翻译：高强度冷轧钢板及其制造方法
公开(公告)号：US09090952B2
公开(公告)日：2015-07-28
申请号：US13517417
申请日：2010-12-24
申请人： Yoichi Makimizu , Yoshitsugu Suzuki , Mai Miyata , Naoto Yoshimi , Junichiro Hirasawa , Shinji Otsuka , Hideki Nagano , Kohei Hasegawa
发明人： Yoichi Makimizu , Yoshitsugu Suzuki , Mai Miyata , Naoto Yoshimi , Junichiro Hirasawa , Shinji Otsuka , Hideki Nagano , Kohei Hasegawa
IPC分类号： C23C8/14 , C22C38/02 , C21D1/74 , C21D1/76 , C21D9/46 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/18 , C23C22/78 , C23C8/02 , C23C8/80 , C22C38/00 , C21D6/00 , C23C8/10
CPC分类号： C21D1/74 , C21D1/52 , C21D1/76 , C21D6/005 , C21D6/008 , C21D8/0457 , C21D9/46 , C21D9/48 , C21D9/561 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/18 , C23C8/02 , C23C8/14 , C23C8/80 , C23C22/78 , C23G1/08 , C23G1/081
摘要： A high-strength cold-rolled steel sheet having high chemical convertibility and a tensile strength of 590 MPa or more and a method for producing such a steel sheet are provided. The steel sheet contains, in terms of percent by mass, C: 0.05 to 0.3%, Si: 0.6 to 3.0%, Mn: 1.0 to 3.0%, P: 0.1% or less, S: 0.05% or less, Al: 0.01 to 1%, N: 0.01% or less, and the balance being Fe and unavoidable impurities. The coverage ratio of reduced iron on a steel sheet surface is 40% or more. In order to produce such a steel sheet, an oxidation treatment is performed after cold rolling. Subsequently, annealing is conducted in a furnace in a 1 to 10 vol % H2+balance N2 gas atmosphere with a dew point of −25° C. or less.
摘要翻译：提供了具有高化学可转换性和拉伸强度为590MPa以上的高强度冷轧钢板以及这种钢板的制造方法。钢板以质量％计含有C：0.05〜0.3％，Si：0.6〜3.0％，Mn：1.0〜3.0％，P：0.1％以下，S：0.05％以下，Al：0.01 至1％，N：0.01％以下，余量为Fe和不可避免的杂质。钢板表面的还原铁的覆盖率为40％以上。为了制造这种钢板，在冷轧后进行氧化处理。随后，在1〜10体积％的H 2 +平衡N 2气体气氛中，在露点为-25℃以下的炉中进行退火。

3. 发明授权

US08668789B2 Method for manufacturing of high strength cold rolled steel sheet of excellent phosphatability 有权
标题翻译：具有优异的磷酸盐性的高强度冷轧钢板的制造方法
公开(公告)号：US08668789B2
公开(公告)日：2014-03-11
申请号：US13387761
申请日：2010-07-27
申请人： Junichiro Hirasawa , Naoto Yoshimi , Hiroki Nakamaru , Kohei Hasegawa , Hideyuki Tsurumaru , Keita Yonetsu , Hideyuki Takahashi , Masato Sasaki
发明人： Junichiro Hirasawa , Naoto Yoshimi , Hiroki Nakamaru , Kohei Hasegawa , Hideyuki Tsurumaru , Keita Yonetsu , Hideyuki Takahashi , Masato Sasaki
IPC分类号： C21D6/00 , C21D1/52 , C21D1/26
CPC分类号： C21D8/0236 , C21D1/74 , C21D6/008 , C21D8/0273 , C21D8/0457 , C21D9/46 , C21D9/48 , C21D9/561 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/06
摘要： A method for the manufacturing of high strength cold rolled steel sheets includes continuously annealing a cold rolled steel sheet that has a composition containing C: 0.05-0.3% mass, Si: 0.6-3.0% mass, Mn: 1.0-3.0% mass, P: ≦0.1% mass, S: ≦0.02% mass, Al: 0.01-1% mass, N: ≦0.01% mass, and Fe and inevitable impurities: balance, in a manner such that the cold rolled steel sheet is heated in a furnace using an oxidizing burner to a steel sheet temperature of ≧700° C., then soak-annealed in a reducing atmosphere furnace at 750-900° C., then cooled so the average cooling rate between 500° C. and 100° C. is ≧50° C./s. High-Si cold rolled steel sheets with high strength and good phosphatability while containing Si≧0.6% are obtained without controlling conditions so as to increase the dew point in the reducing atmosphere in the soaking furnace or to increase the vapor hydrogen partial pressure ratio.
摘要翻译：高强度冷轧钢板的制造方法包括连续地退火具有C：0.05〜0.3质量％，Si：0.6〜3.0质量％，Mn：1.0〜3.0质量％的组成的冷轧钢板，P ：0.1质量％，S：@ 0.02质量％，Al：0.01〜1质量％，N：0.01质量％，Fe和不可避免的杂质：余量，使冷轧钢板以使用氧化燃烧器将钢板温度> 700℃，然后在还原气氛炉中在750-900℃下浸泡退火，然后冷却，使平均冷却速率在500℃和100℃之间 C. => 50°C / s。在不控制条件的情况下获得具有高Si值= 0.6％的高强度和高磷酸化性的高Si冷轧钢板，以增加均热炉中的还原气氛中的露点或提高蒸汽氢分压比。

4. 发明申请

US20120186707A1 METHOD FOR MANUFACTURING OF HIGH STRENGTH COLD ROLLED STEEL SHEET OF EXCELLENT PHOSPHATABILITY 有权
标题翻译：制造高强度耐热性的高强度冷轧钢板的方法
公开(公告)号：US20120186707A1
公开(公告)日：2012-07-26
申请号：US13387761
申请日：2010-07-27
申请人： Junichiro Hirasawa , Naoto Yoshimi , Hiroki Nakamaru , Kohei Hasegawa , Hideyuki Tsurumaru , Keita Yonetsu , Hideyuki Takahashi , Masato Sasaki
发明人： Junichiro Hirasawa , Naoto Yoshimi , Hiroki Nakamaru , Kohei Hasegawa , Hideyuki Tsurumaru , Keita Yonetsu , Hideyuki Takahashi , Masato Sasaki
IPC分类号： C21D6/00 , C21D1/52 , C21D1/84 , C21D1/26
CPC分类号： C21D8/0236 , C21D1/74 , C21D6/008 , C21D8/0273 , C21D8/0457 , C21D9/46 , C21D9/48 , C21D9/561 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/06
摘要： A method for the manufacturing of high strength cold rolled steel sheets includes continuously annealing a cold rolled steel sheet that has a composition containing C: 0.05-0.3% mass, Si: 0.6-3.0% mass, Mn: 1.0-3.0% mass, P: 0.1% mass, S: ≦0.02% mass, Al: 0.01-1% mass, N: ≦0.01% mass, and Fe and inevitable impurities: balance, in a manner such that the cold rolled steel sheet is heated in a furnace using an oxidizing burner to a steel sheet temperature of ≧700° C., then soak-annealed in a reducing atmosphere furnace at 750-900° C., then cooled so the average cooling rate between 500° C. and 100° C. is ≧50° C./s. High-Si cold rolled steel sheets with high strength and good phosphatability while containing Si≧0.6% are obtained without controlling conditions so as to increase the dew point in the reducing atmosphere in the soaking furnace or to increase the vapor hydrogen partial pressure ratio.
摘要翻译：高强度冷轧钢板的制造方法包括连续地退火具有C：0.05〜0.3质量％，Si：0.6〜3.0质量％，Mn：1.0〜3.0质量％的组成的冷轧钢板，P ：0.1质量％，S：＆lt; nlE; 0.02质量％，Al：0.01〜1质量％，N：＆lt; lE; 0.01质量％，Fe和不可避免的杂质：平衡，使得冷轧钢板被加热使用氧化燃烧器将钢板温度设定为≥700℃，然后在还原气氛炉中在750〜900℃下进行浸泡退火，然后冷却至500℃〜100℃的平均冷却速度 C.≧50℃/ s。在不控制条件的情况下获得具有高强度和高磷酸化性的高Si冷轧钢板，以增加均热炉中的还原气氛中的露点或提高蒸气氢分压比。

5. 发明授权

US08911574B2 Method for manufacturing high-Si cold rolled steel sheet having excellent chemical conversion properties 有权
标题翻译：具有优异的化学转化性能的高Si冷轧钢板的制造方法
公开(公告)号：US08911574B2
公开(公告)日：2014-12-16
申请号：US13637804
申请日：2011-03-28
申请人： Shinji Ootsuka , Junichiro Hirasawa , Hideyuki Takahashi , Naoto Yoshimi , Hideki Nagano
发明人： Shinji Ootsuka , Junichiro Hirasawa , Hideyuki Takahashi , Naoto Yoshimi , Hideki Nagano
IPC分类号： C21D9/00 , C21D1/52 , C21D1/26 , C22C38/00 , C21D1/76 , C22C38/06 , C21D6/00 , C22C38/02 , C22C38/04 , C21D8/04 , C21D9/56 , C21D8/02
CPC分类号： C22C38/02 , C21D1/76 , C21D6/008 , C21D8/0236 , C21D8/0273 , C21D8/0473 , C21D9/561 , C22C38/001 , C22C38/04 , C22C38/06 , C23G1/08 , C23G1/081
摘要： A method for manufacturing high-Si cold rolled steel sheets includes heating a cold rolled steel sheet with a direct flame burner (A) having an air ratio of not more than 0.89 when the temperature of the cold rolled steel sheet that is being increased is in the temperature range of not less than 300° C. and less than Ta° C., subsequently heating the cold rolled steel sheet with a direct flame burner (B) having an air ratio of not less than 0.95 when the temperature of the cold rolled steel sheet is in the temperature range of not less than Ta° C. and less than Tb° C., and subsequently soak-annealing the cold rolled steel sheet in a furnace having an atmospheric gas composition which has a dew point of not more than −25° C. and contains 1 to 10 volume % of H2 and the balance of N2.
摘要翻译：制造高Si冷轧钢板的方法包括：当正在增加的冷轧钢板的温度在空气比不大于0.89时，用直接火焰燃烧器（A）对冷轧钢板进行加热温度范围不低于300℃且小于Ta℃，随后在冷轧温度下用空气比不低于0.95的直接火焰燃烧器（B）加热冷轧钢板钢板的温度范围为不低于Ta℃且小于Tb℃，然后在具有露点为不大于或等于或等于规定的露点的气氛组成的炉中对冷轧钢板进行浸渍退火 -25℃，含有1〜10体积％的H 2和余量的N 2。

6. 发明申请

US20130048157A1 METHOD FOR MANUFACTURING HIGH-Si COLD ROLLED STEEL SHEET HAVING EXCELLENT CHEMICAL CONVERSION PROPERTIES 有权
标题翻译：制造具有优异化学转化性能的高硅冷轧钢板的方法
公开(公告)号：US20130048157A1
公开(公告)日：2013-02-28
申请号：US13637804
申请日：2011-03-28
申请人： Shinji Ootsuka , Junichiro Hirasawa , Hideyuki Takahashi , Naoto Yoshimi , Hideki Nagano
发明人： Shinji Ootsuka , Junichiro Hirasawa , Hideyuki Takahashi , Naoto Yoshimi , Hideki Nagano
IPC分类号： C21D9/46
CPC分类号： C22C38/02 , C21D1/76 , C21D6/008 , C21D8/0236 , C21D8/0273 , C21D8/0473 , C21D9/561 , C22C38/001 , C22C38/04 , C22C38/06 , C23G1/08 , C23G1/081
摘要： A method for manufacturing high-Si cold rolled steel sheets includes heating a cold rolled steel sheet with a direct flame burner (A) having an air ratio of not more than 0.89 when the temperature of the cold rolled steel sheet that is being increased is in the temperature range of not less than 300° C. and less than Ta° C., subsequently heating the cold rolled steel sheet with a direct flame burner (B) having an air ratio of not less than 0.95 when the temperature of the cold rolled steel sheet is in the temperature range of not less than Ta° C. and less than Tb° C., and subsequently soak-annealing the cold rolled steel sheet in a furnace having an atmospheric gas composition which has a dew point of not more than −25° C. and contains 1 to 10 volume % of H2 and the balance of N2.
摘要翻译：制造高Si冷轧钢板的方法包括：当正在增加的冷轧钢板的温度在空气比不大于0.89时，用直接火焰燃烧器（A）对冷轧钢板进行加热温度范围不低于300℃且小于Ta℃，随后在冷轧温度下用空气比不低于0.95的直接火焰燃烧器（B）加热冷轧钢板钢板的温度范围为不低于Ta℃且小于Tb℃，然后在具有露点为不大于或等于或等于规定的露点的气氛组成的炉中对冷轧钢板进行浸渍退火 -25℃，含有1〜10体积％的H 2和余量的N 2。

7. 发明授权

US08357247B2 Martensitic stainless steel for disk brakes 有权
标题翻译：马氏体不锈钢用于盘式制动器
公开(公告)号：US08357247B2
公开(公告)日：2013-01-22
申请号：US10546248
申请日：2004-04-23
申请人： Junichiro Hirasawa , Yoshihiro Ozaki , Takumi Ujiro , Osamu Furukimi
发明人： Junichiro Hirasawa , Yoshihiro Ozaki , Takumi Ujiro , Osamu Furukimi
IPC分类号： C22C38/18 , H01F1/00
CPC分类号： F16D65/125 , C22C38/001 , C22C38/42 , C22C38/48 , F16D2069/004 , F16D2200/0017 , F16D2200/0021 , F16D2250/0007
摘要： A martensitic stainless steel, having high temper softening resistance, for disc brakes is provided. The martensitic stainless steel is not seriously softened by maintaining the steel at more than 600° C. The steel has a hardness of 32 or more or a hardness of 30 or more in HRC after the steel is tempered at 650° C. for one hour or tempered at 670° C. for one hour, respectively. In particular, the martensitic stainless steel for disc brakes contains less than 0.050 mass % carbon, 1.0 mass % or less silicon, 2.0 mass % or less manganese, 0.04 mass % or less phosphorus, 0.010 mass % or less sulfur, 0.2 mass % or less aluminum, more than 11.5 mass % to 15.0 mass % chromium, 0.5 mass % to 2.0 mass % nickel, more than 0.50 mass % to 4.0 mass %. copper, more than 0.08 mass % to 0.6 mass % niobium, and less than 0.09 mass % nitrogen, the remainder being iron and unavoidable impurities. The carbon content, the nitrogen content, the niobium content, the chromium content, the silicon content, the nickel content, the manganese content, and the copper content satisfy the following inequalities (1) and (2): 0.03≦[C]+[N]−13/93×[Nb]≦0.09 (1) 5×[Cr]+10×[Si]+30×[Nb]−9×[Ni]−5×[Mn]−3×[Cu]−225×[N]−270×[C]≦40 (2).
摘要翻译：提供了具有高回火软化阻力的马氏体不锈钢用于盘式制动器。通过将钢保持在600℃以上，马氏体系不锈钢不会严重软化。钢在650℃回火1小时后，HRC中的硬度为32以上，硬度为30以上。或分别在670℃回火1小时。特别是用于盘式制动器的马氏体不锈钢含有小于0.050质量％的碳，1.0质量％以下的硅，2.0质量％以下的锰，0.04质量％以下的磷，0.010质量％以下的硫，0.2质量％或大于11.5质量％至15.0质量％的铬，0.5质量％至2.0质量％的镍，大于0.50质量％至4.0质量％。铜，0.08质量％〜0.6质量％的铌，小于0.09质量％的氮，余量为铁和不可避免的杂质。碳含量，氮含量，铌含量，铬含量，硅含量，镍含量，锰含量和铜含量满足以下不等式（1）和（2）：0.03＆nlE; [C] + [N] -13 / 93×[Nb]＆nlE; 0.09（1）5×[Cr] + 10×[Si] + 30×[Nb] -9×[Ni] -5×[Mn] [Cu] -225×[N] -270×[C]＆nlE; 40（2）。

8. 发明申请

US20080000737A1 Stainless Steel Sheet with Excellent Heat and Corrosion Resistances for Brake Disk 有权
标题翻译：不锈钢板具有优良的耐热性和制动盘的耐腐蚀性
公开(公告)号：US20080000737A1
公开(公告)日：2008-01-03
申请号：US11794966
申请日：2005-10-20
申请人： Junichiro Hirasawa , Takumi Ojiro , Osamu Furukimi
发明人： Junichiro Hirasawa , Takumi Ojiro , Osamu Furukimi
IPC分类号： F16D65/12
CPC分类号： F16D65/125 , F16D2200/0017 , F16D2200/0021
摘要： A stainless steel sheet with excellent heat and corrosion resistances for a brake disk is provided. Specifically, in mass %, C: less than 0.10%, Si: 1.0% or less, Mn: 1.0 to 2.5%, P: 0.04% or less, S: 0.01% or less, Cr: more than 11.5% but not more than 15.0%, Ni: 0.1 to 1.0%, Al: 0.10% or less, Nb: more than 0.08% but not more than 0.6%, V: 0.02 to 0.3%, and N: more than 0.03% but not more than 0.10% are contained so that 0.03≦{C+N−(13/93)Nb}≦0.10, (5Cr+10Si+15Mo+30Nb+50V−9Ni−5Mn−3Cu−225N−270C)≦45, and {(14/50)V+(14/90)Nb}
摘要翻译：提供了一种对制动盘具有优异耐热腐蚀性能的不锈钢板。具体地，以质量％计，C：小于0.10％，Si：1.0％以下，Mn：1.0〜2.5％，P：0.04％以下，S：0.01％以下，Cr：超过11.5％，15.0％以下，Ni：0.1〜1.0％，Al：0.10％以下，Nb：0.08％以上0.6％以下，V：0.02〜0.3％，N：0.03以上0.10以下含有0.03≤{C + N-（13/93）Nb}≤0.10，（5Cr + 10Si + 15Mo + 30Nb + 50V-9Ni-5Mn-3Cu-225N-270C）= 45，以及 {（14/50）V +（14/90）Nb}

9. 发明授权

US06426039B2 Ferritic stainless steel 有权
公开(公告)号：US06426039B2
公开(公告)日：2002-07-30
申请号：US09892370
申请日：2001-06-27
申请人： Junichiro Hirasawa , Atsushi Miyazaki , Mineo Muraki , Susumu Satoh
发明人： Junichiro Hirasawa , Atsushi Miyazaki , Mineo Muraki , Susumu Satoh
IPC分类号： C22C3852
CPC分类号： C22C38/06 , C22C38/001 , C22C38/004 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/52 , C22C38/54
摘要： Ferritic stainless steel comprising all three of Co, V, and B, having a Co content of about 0.01 mass % to about 0.3 mass %, a V content of about 0.01 mass % to about 0.3 mass %, and a B content of about 0.0002 mass % to about 0.0050 mass %, and having superior secondary working embrittleness resistance and superior high temperature fatigue characteristics.

10. 发明申请

US20090162240A1 BRAKE DISK HAVING HIGH TEMPER SOFTENING RESISTANCE 审中-公开
标题翻译：具有耐高温电阻的制动盘
公开(公告)号：US20090162240A1
公开(公告)日：2009-06-25
申请号：US12297091
申请日：2006-10-05
申请人： Junichiro Hirasawa , Takako Yamashita , Noriko Makiishi , Etsuo Hamada , Takumi Ujiro , Osamu Furukimi
发明人： Junichiro Hirasawa , Takako Yamashita , Noriko Makiishi , Etsuo Hamada , Takumi Ujiro , Osamu Furukimi
IPC分类号： C22C38/20 , C22C38/22
CPC分类号： C21D9/46 , C22C38/02 , C22C38/04 , C22C38/42 , C22C38/48 , C22C38/58 , F16D2200/0021
摘要： A brake disk including, by mass, 0.1% or less of C, 1.0% or less of Si, 2.0% or less of Mn, 10.5% to 15.0% of Cr, 2.0% or less of Ni, greater than 0.5% to 4.0% of Cu, 0.02% to 0.3% of Nb, and 0.1% or less of N and further including N, Nb, Cr. Si, Ni, Mn, Mo, and Cu, the remainder being Fe and unavoidable impurities, such that the following inequalities are satisfied: 5Cr+10Si+15Mo+30Nb−9Ni−5Mn−3Cu−225N−270C
摘要翻译：一种制动盘，其质量分别为0.1％以下的Si，1.0％以下的Si，2.0％以下的Mn，10.5％〜15.0％的Cr，2.0％以下的Ni，大于0.5％〜4.0％ Cu％，Nb：0.02〜0.3％，N：0.1％以下，进一步含有N，Nb，Cr。 Si，Ni，Mn，Mo和Cu，其余为Fe和不可避免的杂质，使得满足以下不等式：<？in-line-formula description =“In-line formula”end =“lead”？> 5Cr + 10Si + 15Mo + 30Nb-9Ni-5Mn-3Cu-225N-270C <45（1）<？在线公式描述=“在线公式”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead”？> 0.03 <= {C + N-（13/93）Nb} <= 0.09（2）和<？in-line-formula description =“In-line 具有平均直径为8μm以上，硬度为32〜38HRC，具有高回火耐软化性的先前奥氏体晶粒的马氏体组织的公式“end =”tail“？>

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