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1. 发明授权

US07503984B2 High-strength thin steel sheet drawable and excellent in shape fixation property and method of producing the same 有权
标题翻译：可拉伸高强度薄钢板和形状固定性优异的方法及其制造方法
公开(公告)号：US07503984B2
公开(公告)日：2009-03-17
申请号：US10491928
申请日：2002-10-04
申请人： Tatsuo Yokoi , Teruki Hayashida , Natsuko Sugiura , Takaaki Nakamura , Takehiro Nakamoto
发明人： Tatsuo Yokoi , Teruki Hayashida , Natsuko Sugiura , Takaaki Nakamura , Takehiro Nakamoto
IPC分类号： C22C38/14 , C22C38/02 , C22C38/04 , C22C38/06
CPC分类号： C23C30/00 , C21D8/0236 , C21D8/0273 , C21D8/0278 , C21D8/0426 , C21D8/0436 , C21D8/0473 , C21D8/0478 , C21D2211/001 , C21D2211/002 , C21D2211/005 , C21D2211/008 , C22C38/02 , C22C38/04 , C22C38/06 , C23C2/06 , C23C2/26
摘要： The present invention provides a high-strength thin steel sheet drawable and excellent in a shape fixation property and a method of producing the same. For the steel sheet, on a plane at the center of the thickness of a steel sheet, the average ratio of the X-ray strength in the orientation component group of {100} to {223} to random X-ray diffraction strength is 2 or more and the average ratio of the X-ray strength in three orientation components of {554} , {111} and {111} to random X-ray diffraction strength is 4 or less. The arithmetic average of the roughness Ra of at least one of the surfaces is 1 to 3.5 μm; the surfaces of the steel sheet are covered with a composition having a lubricating effect; and the friction coefficient of the steel sheet surfaces at 0 to 200° C. is 0.05 to 0.2. Further, the present invention also relates to a method of producing said steel sheet, characterized by: rolling a steel sheet having the chemical components specified in the present invention at a total reduction ratio of 25% or more in the temperature range of the Ar3 transformation temperature +100° C. or lower.
摘要翻译：本发明提供一种可拉伸强度高且成型性好的优良薄钢板及其制造方法。对于钢板，在钢板厚度的中心的平面上，将{100} <011>的取向成分组的X射线强度与{223} <110>的X射线强度的平均比率与随机X 射线衍射强度为2以上，{554} 225，{111} <112>和{111} <110>的三个取向成分的X射线强度与随机X射线衍射强度的平均比例是4以下。至少一个表面的粗糙度Ra的算术平均值为1〜3.5μm; 用具有润滑作用的组合物覆盖钢板的表面; 在0〜200℃下钢板表面的摩擦系数为0.05〜0.2。此外，本发明还涉及一种钢板的制造方法，其特征在于：在Ar 3转变温度范围内，以总减速比25％以上轧制本发明中规定的化学成分的钢板温度+ 100℃以下。

2. 发明申请

US20060081312A1 High strength steel sheet exhibiting good burring workability and excellent resistance to softening in heat-affected zone and method for production thereof 有权
标题翻译：具有良好的加工性和热影响区的软化性优异的高强度钢板及其制造方法
公开(公告)号：US20060081312A1
公开(公告)日：2006-04-20
申请号：US10540628
申请日：2003-11-28
申请人： Tatsuo Yokoi , Teruki Hayashida , Masahiro Ohara , Kouchi Tsuchihashi
发明人： Tatsuo Yokoi , Teruki Hayashida , Masahiro Ohara , Kouchi Tsuchihashi
IPC分类号： C21D8/00
CPC分类号： C22C38/04 , C21D2211/002 , C21D2211/005 , C22C38/001 , C22C38/02 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/18
摘要： The present invention provides high burring, high strength steel sheet excellent in softening resistance of the weld heat affected zone and a method of production of the same, that is, high burring, high strength steel sheet excellent in softening resistance of the weld heat affected zone containing, by wt %, C: 0.01 to 0.1%, Si: 0.01 to 2%, Mn: 0.05 to 3%, P≦0.1%, S≦0.03%, Al: 0.005 to 1%, N: 0.0005 to 0.005%, and Ti: 0.05 to 0.5% and further containing C, S, N, Ti, Cr, and Mo in ranges satisfying 0%
摘要翻译：本发明提供了一种焊接热影响区域的耐磨性优异，高热处理性的高强度钢板及其制造方法，即，高热处理性，高热处理区域的耐软化性优异的高强度钢板以重量％计含有C：0.01〜0.1％，Si：0.01〜2％，Mn：0.05〜3％，P <= 0.1％，S <0.03％，Al：0.005〜1％，N：0.0005〜 0.005％，Ti：0.05〜0.5％，进一步含有满足0％ = 0.2％，Cr <= 0.5％，Mo <= 0.5％，余量为Fe和不可避免的杂质，其中微结构包括铁素体或铁素体和贝氏体。

3. 发明授权

US07749338B2 High burring, high strength steel sheet excellent in softening resistance of weld heat affected zone and method of production of same 有权
标题翻译：焊接热影响区的耐磨性优异，生产方法高的高强度钢板
公开(公告)号：US07749338B2
公开(公告)日：2010-07-06
申请号：US10540628
申请日：2003-11-28
申请人： Tatsuo Yokoi , Teruki Hayashida , Masahiro Ohara , Kouichi Tsuchihashi
发明人： Tatsuo Yokoi , Teruki Hayashida , Masahiro Ohara , Kouichi Tsuchihashi
IPC分类号： C22C38/12 , C22C38/14
CPC分类号： C22C38/04 , C21D2211/002 , C21D2211/005 , C22C38/001 , C22C38/02 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/18
摘要： The present invention provides high burring, high strength steel sheet excellent in softening resistance of the weld heat affected zone and a method of production of the same, that is, high burring, high strength steel sheet excellent in softening resistance of the weld heat affected zone containing, by wt %, C: 0.01 to 0.1%, Si: 0.01 to 2%, Mn: 0.05 to 3%, P≦0.1%, S≦0.03%, Al: 0.005 to 1%, N: 0.0005 to 0.005%, and Ti: 0.05 to 0.5% and further containing C, S, N, Ti, Cr, and Mo in ranges satisfying 0%
摘要翻译：本发明提供了一种焊接热影响区域的耐磨性优异，高热处理性的高强度钢板及其制造方法，即，高热处理性，高热处理区域的耐软化性优异的高强度钢板以重量％计含有C：0.01〜0.1％，Si：0.01〜2％，Mn：0.05〜3％，P＆lt; lE; 0.1％，S＆NlE; 0.03％，Al：0.005〜1％，N：0.0005〜0.005％，Ti：0.05〜0.5％，进一步含有满足0％

4. 发明申请

US20070138138A1 Hot rolled steel sheet excellent in chemical convertibility and method of production of the same 有权
标题翻译：化学可转换性优异的热轧钢板及其制造方法
公开(公告)号：US20070138138A1
公开(公告)日：2007-06-21
申请号：US10578145
申请日：2004-11-04
申请人： Teruki Hayashida , Masahiro Ohara
发明人： Teruki Hayashida , Masahiro Ohara
IPC分类号： C22C38/00 , B44C1/22 , C03C15/00 , C23F1/00
CPC分类号： C23G1/085 , C22C38/02 , C22C38/04 , C23C22/78 , C23G1/08
摘要： The present invention provides a high strength hot rolled steel sheet raised in Si content, wherein a conversion coating can be formed homogeneously over the entire surface of the steel sheet, no new step is added in the production of the steel sheet, and quality control is also facilitated, comprising, by mass %, C: 0.03 to 0.15%, Si: 0.8 to 3.0%, Mn: 0.5 to 3.0%, P: 0.07% or less, S: 0.01% or less, Al: 0.015 to 0.1%, N: 0.001 to 0.008%, and, if necessary, having Ti, Nb, etc. added, the oxides on the steel sheet surface having an Si concentration of 3.5% or less and an Mn concentration of 3.5% or less. Preferably, the average roughness Ra is 3.0 μm or less and the pitting due to pickling is an average of 5 or less in 10 μn side squares. The scale after the hot rolling is washed off by dipping the sheet in a solution having an HCl concentration of 7 to 15% and an Fe ion concentration of 4 to 12% at a solution temperature of 80 to 98° C. for 40 sec or more.
摘要翻译：本发明提供一种以Si含量升高的高强度热轧钢板，其中可以在钢板的整个表面上均匀地形成转化涂层，在钢板的生产中不添加新的步骤，并且质量控制是还以质量％计含有C：0.03〜0.15％，Si：0.8〜3.0％，Mn：0.5〜3.0％，P：0.07％以下，S：0.01％以下，Al：0.015〜0.1％，N：0.001〜0.008％，如果需要，添加Ti，Nb等，钢板表面的氧化物的Si浓度为3.5％以下，Mn浓度为3.5％以下。平均粗糙度Ra优选为3.0μm以下，并且在10个方形中，酸洗时的点蚀平均值为5以下。在80〜98℃的溶液温度下将片材浸渍在HCl浓度为7〜15％，Fe离子浓度为4〜12％的溶液中洗涤40秒后，将其洗去，更多。

5. 发明授权

US4960158A Process for producing a zinc-plated steel sheet with an ageing resistance by hot dip-type, continuous zinc plating 失效
标题翻译：通过热浸型连续镀锌制造耐老化性的镀锌钢板的方法
公开(公告)号：US4960158A
公开(公告)日：1990-10-02
申请号：US319946
申请日：1989-03-07
申请人： Teruaki Yamada , Osamu Akisue , Toshiyasu Ukena , Masahiko Oda , Teruki Hayashida
发明人： Teruaki Yamada , Osamu Akisue , Toshiyasu Ukena , Masahiko Oda , Teruki Hayashida
IPC分类号： C23C2/02 , C23C2/06 , C23C2/28 , C23C2/40
CPC分类号： C23C2/28 , C23C2/02 , C23C2/40
摘要： A zinc-plated steel sheet with an ageing resistance is produced from an Al-killed steel by hot dip type, continuous zinc plating including recrystallization and annealing, where after recrystallization and grain growth, the steel sheet is quenched at a cooling rate of 30.degree..about.250.degree. C/sec from 720.degree..about.600.degree. C. to 310.degree..about.200.degree. C.; after keeping the steel sheet at the same temperature for 0 to 15 seconds, the steel sheet is reheated to a molten zinc bath temperature; then the steel sheet is dipped into the molten zinc bath for zinc-plating; and then the steel sheet is cooled at a cooling rate of 250 to 5.degree. C./sec from that temperature to 350.degree. C.; and then the steel sheet is cooled at a specific average cooling rate in a temperature region of 350.degree. C. to 300.degree. C. and at a specific average cooling rate in a temperature region of from 300.degree. C. to 285.degree..about.220.degree. C.

6. 发明授权

US07820099B2 Hot rolled steel sheet excellent in chemical convertibility and method of production of the same 有权
标题翻译：化学可转换性优异的热轧钢板及其制造方法
公开(公告)号：US07820099B2
公开(公告)日：2010-10-26
申请号：US10578145
申请日：2004-11-04
申请人： Teruki Hayashida , Masahiro Ohara
发明人： Teruki Hayashida , Masahiro Ohara
IPC分类号： C22C38/04 , C22C38/00 , C22C38/14 , C22C38/12 , C25F3/00
CPC分类号： C23G1/085 , C22C38/02 , C22C38/04 , C23C22/78 , C23G1/08
摘要： The present invention provides a high strength hot rolled steel sheet raised in Si content, wherein a conversion coating can be formed homogeneously over the entire surface of the steel sheet, no new step is added in the production of the steel sheet, and quality control is also facilitated, comprising, by mass %, C: 0.03 to 0.15%, Si: 0.8 to 3.0%, Mn: 0.5 to 3.0%, P: 0.07% or less, S: 0.01% or less, Al: 0.015 to 0.1%, N: 0.001 to 0.008%, and, if necessary, having Ti, Nb, etc. added, the oxides on the steel sheet surface having an Si concentration of 3.5% or less and an Mn concentration of 3.5% or less. Preferably, the average roughness Ra is 3.0 μm or less and the pitting due to pickling is an average of 5 or less in 10 μn side squares. The scale after the hot rolling is washed off by dipping the sheet in a solution having an HCl concentration of 7 to 15% and an Fe ion concentration of 4 to 12% at a solution temperature of 80 to 98° C. for 40 sec or more.
摘要翻译：本发明提供一种以Si含量升高的高强度热轧钢板，其中可以在钢板的整个表面上均匀地形成转化涂层，在钢板的生产中不添加新的步骤，并且质量控制是还以质量％计含有C：0.03〜0.15％，Si：0.8〜3.0％，Mn：0.5〜3.0％，P：0.07％以下，S：0.01％以下，Al：0.015〜0.1％，N：0.001〜0.008％，如果需要，添加Ti，Nb等，钢板表面的氧化物的Si浓度为3.5％以下，Mn浓度为3.5％以下。优选地，平均粗糙度Ra为3.0μm以下，并且由于酸洗引起的点蚀在10μn的正方形中为5以下的平均值。在80〜98℃的溶液温度下将片材浸渍在HCl浓度为7〜15％，Fe离子浓度为4〜12％的溶液中洗涤40秒后，将其洗去，更多。

7. 发明授权

US4931107A Process for producing a cold rolled steel sheet having a good ageing resistance by continuous annealing 失效
标题翻译：通过连续退火生产具有良好耐老化性的冷轧钢板的方法
公开(公告)号：US4931107A
公开(公告)日：1990-06-05
申请号：US314925
申请日：1989-02-24
申请人： Teruaki Yamada , Toshiyasu Ukena , Osamu Akisue , Kenji Kawai , Yuuji Sano , Teruki Hayashida
发明人： Teruaki Yamada , Toshiyasu Ukena , Osamu Akisue , Kenji Kawai , Yuuji Sano , Teruki Hayashida
IPC分类号： C21D9/48 , C21D1/19 , C21D8/02 , C21D9/52 , C21D9/56 , C22C38/00 , C22C38/06
CPC分类号： C21D9/52 , C21D8/0273 , C22C38/00 , C21D1/19 , C21D8/0236
摘要： A cold rolled steel sheet having a good ageing resistance is produced by subjecting a cold rolled steel sheet to continuous annealing including recrystallization, grain growth, quenching, supercooling, reheating and overageing according to inclinatory cooling, where after the recrystallization and the grain growth, the steel sheet is quenched at a cooling rate of 50 to 250.degree. C./sec from 720-600.degree. C. to 200-310.degree. C.; after retaining the steel sheet at the same temperature for 0 to 15 seconds, the steel sheet is reheated by at least 40.degree. C. up to 320-400.degree. C.; then the steel sheet is retained at the same temperature or cooled at a rate of not more than 0.7.degree. C./sec including the time for retaining the steel sheet at the same temperature; and then the steel sheet is cooled at an average cooling rate of not more than 10.degree. C./sec in a temperature zone of higher than 350.degree. C., at a specific average cooling rate in a temperature zone of 350.degree. C. to 300.degree. C. and at a specific average cooling rate down to 285-220.degree. C. in a temperature zone of lower than 300.degree. C.

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