公开(公告)号：US20090173415A1

公开(公告)日：2009-07-09

申请号：US12159010

申请日：2007-01-29

申请人： Kazuhiro Seto ,  Takeshi Yokota ,  Nobuyuki Nakamura ,  Nobusuke Kariya

发明人： Kazuhiro Seto ,  Takeshi Yokota ,  Nobuyuki Nakamura ,  Nobusuke Kariya

IPC分类号： C21D8/02 ,  C22C38/00 ,  C22C38/08

CPC分类号： C21D1/18 ,  C21D2211/005 ,  C22C38/02 ,  C22C38/04

摘要： A steel sheet excellent in FB performance-and also excellent in fabrication performance after FB working and a manufacturing method of the same are provided. The steel sheet is a steel sheet having a composition containing from 0.1 to 0.5% of C, not more than 0.5% of Si and from 0.2 to 1.5% of Mn in terms of % by mass, with P and S being adjusted at proper ranges, and having a structure in which a ferrite has an average grain size of from 1 to 10 μm, cementite has a spheroidization ratio of 80% or more, and of the cementite, an amount Sgb of ferrite intergranular cementite which is defined by the following expression (1): Sgb(%)={Son/(Son+Sin)}×100 (wherein Son represents a total occupied area of cementite present on the ferrite grain boundary of the cementite present per unit area; and Snin represents a total occupied area of cementite present in a ferrite grain of the cementite present per unit area) is 40% or more. In this way, the steel sheet becomes a steel sheet excellent in FB performance, mold life and performance after FB working.

摘要翻译： 提供FB性能优异的钢板以及FB加工后的制造性能优异的制造方法及其制造方法。 该钢板是具有以质量％计含有C：0.1〜0.5％，Si：0.5％以下，Mn：0.2〜1.5％的组成的钢板，P和S为适当范围 并且具有铁素体的平均粒径为1〜10μm的结构，渗碳体的球化率为80％以上，渗碳体为铁素体晶间渗碳体的量Sgb，其由下述定义 表达式（1）：Sgb（％）= {Son /（Son + Sin）}×100（其中Son表示存在于每单位面积的渗碳体的铁素体晶界上存在的渗碳体的总占据面积; Snin表示总占用面积 存在于每单位面积的渗碳体的铁素体晶粒中的渗碳体的面积为40％以上。 这样，钢板成为FB工作后FB性能，模具寿命和性能优异的钢板。

公开(公告)号：US08182621B2

公开(公告)日：2012-05-22

申请号：US13251403

申请日：2011-10-03

申请人： Nobuyuki Nakamura ,  Kazuhiro Seto

发明人： Nobuyuki Nakamura ,  Kazuhiro Seto

IPC分类号： C21D8/02 ,  C22C38/00

CPC分类号： C22C38/06 ,  B21B1/26 ,  B21B3/00 ,  C21D1/20 ,  C21D1/25 ,  C21D8/0226 ,  C21D8/0263 ,  C21D8/0273 ,  C21D8/0426 ,  C21D8/0463 ,  C21D8/0473 ,  C21D9/48 ,  C21D2211/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/14

摘要： A method of manufacturing a hot-rolled thin steel sheet includes: hot-rolling a steel base material having a composition containing, as mass %, C: 0.10 to 0.20%, Si: 0.01 to 1.0%, Mn: 0.5 to 2.0%, P: 0.03% or less, S: 0.01% or less, Al: 0.01 to 0.10%, N: 0.005% or less, Ti: 0.01 to 0.15%, B: 0.0005 to 0.0050%, the balance of Fe, and unavoidable impurities at a finishing temperature of finish rolling of 820 to 880° C. to produce a hot-rolled steel sheet with a thickness of less than 6 mm; cooling the hot-rolled steel sheet to a temperature range on a surface of the hot-rolled steel sheet to 550 to 650° C. at a surface cooling rate of 15 to 50° C. per second; and coiling the hot-rolled steel sheet at the temperature range.

摘要翻译： 制造热轧薄钢板的方法包括：将具有质量％C：0.10〜0.20％，Si：0.01〜1.0％，Mn：0.5〜2.0％的组成的钢基材热轧， P：0.03％以下，S：0.01％以下，Al：0.01〜0.10％，N：0.005％以下，Ti：0.01〜0.15％，B：0.0005〜0.0050％，余量为Fe，不可避免的杂质 在820〜880℃的精轧终轧温度下，制造厚度小于6mm的热轧钢板; 将该热轧钢板的表面冷却速度为15〜50℃/秒，将该热轧钢板的表面冷却至550〜650℃， 并在该温度范围内卷取热轧钢板。

公开(公告)号：US08062438B2

公开(公告)日：2011-11-22

申请号：US12307806

申请日：2007-07-06

申请人： Nobuyuki Nakamura ,  Kazuhiro Seto

发明人： Nobuyuki Nakamura ,  Kazuhiro Seto

IPC分类号： C21D8/02 ,  C22C38/00

CPC分类号： C22C38/06 ,  B21B1/26 ,  B21B3/00 ,  C21D1/20 ,  C21D1/25 ,  C21D8/0226 ,  C21D8/0263 ,  C21D8/0273 ,  C21D8/0426 ,  C21D8/0463 ,  C21D8/0473 ,  C21D9/48 ,  C21D2211/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/14

摘要： Provided is a hot-rolled thin steel sheet having a thickness of less than 6 mm and having high strength showing a tensile strength of 440 MPa or more, excellent formability, and excellent strength and toughness after heat treatment and a method of manufacturing the same. A steel base material containing 0.10 to 0.20% of C, and Si, Mn, Al, P, S, and N adjusted to suitable amount ranges, and 0.01 to 0.15% of Ti and 0.0005 to 0.0050% of B is hot rolled so as to have a finishing temperature of finish rolling of 820 to 880° C.; after the completion of the rolling, the hot-rolled thin steel sheet is cooled to a surface temperature range of 550 to 650° C. at a surface cooling rate of 15 to 50° C./s; and the hot-rolled thin steel sheet is coiled at the temperature range.

摘要翻译： 本发明提供一种厚度小于6mm，强度高达440MPa以上，成型性优异，热处理后的强度和韧性优异的热轧薄钢板及其制造方法。 将含有0.10〜0.20％的C，Si，Mn，Al，P，S和N的钢基材调整至适当的量范围，将0.01〜0.15％的Ti和0.0005〜0.0050％的B进行热轧， 具有820至880℃的精轧终轧温度。 在轧制完成之后，以15〜50℃/秒的表面冷却速度将热轧薄钢板冷却至550〜650℃的表面温度范围; 该热轧薄钢板在该温度范围内卷绕。

公开(公告)号：US20090205756A1

公开(公告)日：2009-08-20

申请号：US12307806

申请日：2007-07-06

申请人： Nobuyuki Nakamura ,  Kazuhiro Seto

发明人： Nobuyuki Nakamura ,  Kazuhiro Seto

IPC分类号： C21D8/02 ,  C22C38/04

CPC分类号： C22C38/06 ,  B21B1/26 ,  B21B3/00 ,  C21D1/20 ,  C21D1/25 ,  C21D8/0226 ,  C21D8/0263 ,  C21D8/0273 ,  C21D8/0426 ,  C21D8/0463 ,  C21D8/0473 ,  C21D9/48 ,  C21D2211/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/14

摘要： Provided is a hot-rolled thin steel sheet having a thickness of less than 6 mm and having high strength showing a tensile strength of 440 MPa or more, excellent formability, and excellent strength and toughness after heat treatment and a method of manufacturing the same. A steel base material containing 0.10 to 0.20% of C, and Si, Mn, Al, P, S, and N adjusted to suitable amount ranges, and 0.01 to 0. 15% of Ti and 0.0005 to 0.0050% of B is hot rolled so as to have a finishing temperature of finish rolling of 820 to 880° C.; after the completion of the rolling, the hot-rolled thin steel sheet is cooled to a surface temperature range of 550 to 650° C. at a surface cooling rate of 15 to 50° C./s; and the hot-rolled thin steel sheet is coiled at the temperature range.

摘要翻译： 本发明提供一种厚度小于6mm，强度高达440MPa以上，成型性优异，热处理后的强度和韧性优异的热轧薄钢板及其制造方法。 将含有0.10〜0.20％的C，Si，Mn，Al，P，S，N的钢基材调整至适当的量范围，Ti：0.01〜0.15％，B：0.0005〜0.0050％ 以使终轧温度为820〜880℃。 在轧制完成之后，以15〜50℃/秒的表面冷却速度将热轧薄钢板冷却至550〜650℃的表面温度范围; 该热轧薄钢板在该温度范围内卷绕。

公开(公告)号：US20090308504A1

公开(公告)日：2009-12-17

申请号：US12159017

申请日：2007-01-29

申请人： Nobusuke Kariya ,  Takeshi Yokota ,  Nobuyuki Nakamura ,  Kazuhiro Seto

发明人： Nobusuke Kariya ,  Takeshi Yokota ,  Nobuyuki Nakamura ,  Kazuhiro Seto

IPC分类号： C21D8/02 ,  C22C38/18 ,  C22C38/08 ,  C22C38/00

CPC分类号： C22C38/02 ,  C22C38/04 ,  C22C38/22

摘要： A steel sheet excellent in FB performance and also excellent in fabrication performance after FB working and a manufacturing method of the same are provided. The steel sheet is a steel sheet having a composition containing from 0.1 to 0.5% of C, not more than 0.5% of Si and from 0.2 to 1.5% of Mn in terms of % by mass, with P and S being adjusted at proper ranges and having a structure having a ferrite having an average grain size of more than 10 μm and less than 20 μm and a cementite present in the ferrite grain having an average particle size of from 0.3 to 1.5 μm. In this way, the steel sheet becomes a steel sheet excellent in FB performance, mold life and performance (side bend elongation) after FB working.

摘要翻译： 提供FB性能优异且FB加工后的制造性能优异的钢板及其制造方法。 该钢板是具有以质量％计含有C：0.1〜0.5％，Si：0.5％以下，Mn：0.2〜1.5％的组成的钢板，P和S为适当范围 并且具有平均粒度大于10μm且小于20μm的铁素体和平均粒径为0.3〜1.5μm的铁素体晶粒中存在的渗碳体的结构。 这样，钢板成为FB加工后FB性能，模具寿命和性能（侧弯伸长率）优异的钢板。

公开(公告)号：US20120018062A1

公开(公告)日：2012-01-26

申请号：US13251403

申请日：2011-10-03

申请人： Nobuyuki Nakamura ,  Kazuhiro Seto

发明人： Nobuyuki Nakamura ,  Kazuhiro Seto

IPC分类号： C21D8/02

CPC分类号： C22C38/06 ,  B21B1/26 ,  B21B3/00 ,  C21D1/20 ,  C21D1/25 ,  C21D8/0226 ,  C21D8/0263 ,  C21D8/0273 ,  C21D8/0426 ,  C21D8/0463 ,  C21D8/0473 ,  C21D9/48 ,  C21D2211/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/14

摘要： A method of manufacturing a hot-rolled thin steel sheet includes: hot-rolling a steel base material having a composition containing, as mass %, C: 0.10 to 0.20%, Si: 0.01 to 1.0%, Mn: 0.5 to 2.0%, P: 0.03% or less, S: 0.01% or less, Al: 0.01 to 0.10%, N: 0.005% or less, Ti: 0.01 to 0.15%, B: 0.0005 to 0.0050%, the balance of Fe, and unavoidable impurities at a finishing temperature of finish rolling of 820 to 880° C. to produce a hot-rolled steel sheet with a thickness of less than 6 mm; cooling the hot-rolled steel sheet to a temperature range on a surface of the hot-rolled steel sheet to 550 to 650° C. at a surface cooling rate of 15 to 50° C. per second; and coiling the hot-rolled steel sheet at the temperature range.

摘要翻译： 制造热轧薄钢板的方法包括：将具有质量％C：0.10〜0.20％，Si：0.01〜1.0％，Mn：0.5〜2.0％的组成的钢基材热轧， P：0.03％以下，S：0.01％以下，Al：0.01〜0.10％，N：0.005％以下，Ti：0.01〜0.15％，B：0.0005〜0.0050％，余量为Fe，不可避免的杂质 在820〜880℃的精轧终轧温度下，制造厚度小于6mm的热轧钢板; 将该热轧钢板的表面冷却速度为15〜50℃/秒，将该热轧钢板的表面冷却至550〜650℃， 并在该温度范围内卷取热轧钢板。

公开(公告)号：US20100206439A1

公开(公告)日：2010-08-19

申请号：US12666705

申请日：2008-06-06

申请人： Kazuhiro Seto ,  Nobuyuki Nakamura ,  Akio Kobayashi

发明人： Kazuhiro Seto ,  Nobuyuki Nakamura ,  Akio Kobayashi

IPC分类号： C21D8/02 ,  C22C38/00

CPC分类号： C22C38/02 ,  C21D8/0426 ,  C21D8/0473 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/001 ,  C22C38/04 ,  C22C38/06 ,  C22C38/14

摘要： A high strength hot rolled thick steel sheet has a tensile strength of 440 to 640 MPa, preferably 490 to 590 MPa, and an elongation of 20% or more; is excellent in uniformity in a sheet thickness direction and in strength and toughness after heat treatment; and is suitably used for structural components of automobiles, construction machines, and the like, and a method for manufacturing the hot rolled thick steel sheet. A steel material having a composition including C: 0.10 to 0.20%, Ti: 0.01 to 0.15%, B: 0.0010 to 0.0050%, and proper amounts of Si, Mn, Al, P, S, and N is hot-rolled at a finisher delivery temperature of 820 to 880° C. in finish rolling, is cooled at a cooling rate of 15 to 50° C./s until a temperature reaches a cooling stop temperature of 500 to 600° C., and is coiled.

摘要翻译： 高强度热轧厚钢板的拉伸强度为440〜640MPa，优选为490〜590MPa，伸长率为20％以上。 热处理后的板厚方向的均匀性和强度和韧性优异; 适用于汽车，建筑机械等的结构部件，以及热轧厚钢板的制造方法。 将具有C：0.10〜0.20％，Ti：0.01〜0.15％，B：0.0010〜0.0050％，适当量的Si，Mn，Al，P，S和N的组成的钢材热轧成 精轧后的整理机输送温度为820〜880℃，以15〜50℃/ s的冷却速度冷却直到温度达到500〜600℃的冷却停止温度，并进行卷绕。

公开(公告)号：US20100196189A1

公开(公告)日：2010-08-05

申请号：US12670153

申请日：2008-07-31

申请人： Koichi Nakagawa ,  Takeshi Yokota ,  Nobuyuki Nakamura ,  Kazuhiro Seto ,  Satoshi Kinoshiro ,  Katsumi Yamada

发明人： Koichi Nakagawa ,  Takeshi Yokota ,  Nobuyuki Nakamura ,  Kazuhiro Seto ,  Satoshi Kinoshiro ,  Katsumi Yamada

IPC分类号： C22C38/22 ,  C22C38/04 ,  C22C38/14 ,  C22C38/18 ,  C22C38/12

CPC分类号： C22C38/04 ,  C21D8/0426 ,  C21D9/48 ,  C21D2211/004 ,  C21D2211/005 ,  C22C38/06 ,  C22C38/12 ,  C22C38/14 ,  C22C38/24 ,  C22C38/28

摘要： A high-strength steel sheet has high stretch flangeability after working and corrosion resistance after painting. The steel sheet contains, on the basis of mass percent, C: 0.02% to 0.20%, Si: 0.3% or less, Mn: 0.5% to 2.5%, P: 0.06% or less, S: 0.01% or less, Al: 0.1% or less, Ti: 0.05% to 0.25%, and V: 0.05% to 0.25%, the remainder being Fe and incidental impurities. The steel sheet has a substantially ferritic single phase, the ferritic single phase containing precipitates having a size of less than 20 nm, the precipitates containing 200 to 1750 mass ppm Ti and 150 to 1750 mass ppm V, V dissolved in solid solution being 200 or more but less than 1750 mass ppm.

摘要翻译： 高强度钢板在加工后具有高拉伸凸缘性和涂漆后的耐腐蚀性。 钢板以质量％计含有C：0.02〜0.20％，Si：0.3％以下，Mn：0.5〜2.5％，P：0.06％以下，S：0.01％以下，Al ：0.1％以下，Ti：0.05％〜0.25％，V：0.05％〜0.25％，余量为Fe和附带杂质。 钢板具有基本上铁素体的单相，铁素体单相含有尺寸小于20nm的析出物，析出物含有Ti为200〜1750质量ppm，V为150〜1750质量ppm，溶解在固溶体中的V为200或 更多但小于1750质量ppm。

公开(公告)号：US20090260729A1

公开(公告)日：2009-10-22

申请号：US12373903

申请日：2007-08-06

申请人： Shunji Iizuka ,  Kazuhiro Seto ,  Akio Kobayashi ,  Kenichi MItsuzuka ,  Naoya Aoki ,  Hideyuki Kimura ,  Nobuyuki Nakamura

发明人： Shunji Iizuka ,  Kazuhiro Seto ,  Akio Kobayashi ,  Kenichi MItsuzuka ,  Naoya Aoki ,  Hideyuki Kimura ,  Nobuyuki Nakamura

IPC分类号： C21D8/02 ,  C22C38/00 ,  C22C38/12 ,  C22C38/14

CPC分类号： C22C38/02 ,  C21D1/32 ,  C21D8/0226 ,  C21D8/0263 ,  C21D8/0273 ,  C21D9/46 ,  C21D2211/005 ,  C22C38/001 ,  C22C38/04 ,  C22C38/06

摘要： A high-carbon hot-rolled steel sheet with excellent width-direction homogeneity is provided. The steel sheet contains 0.2% to 0.7% carbon, 0.01% to 1.0% silicon, 0.1% to 1.0% manganese, 0.03% or less phosphorus, 0.035% or less sulfur, 0.08% or less aluminum, and 0.01% or less nitrogen, and the balance is iron and incidental impurities. The structure is such that the average ferrite grain size of edge parts of the steel sheet is less than 35 μm, the average ferrite grain size of a part closer to the center of the steel sheet than the edge parts is less than 20 μm, and the average carbide grain size is 0.10 μm or more and less than 2.0 μm. The steel sheet is produced by roughly rolling the steel, finish-rolling the steel at a finishing temperature of more than (Ar3+40° C.), cooling the steel at a cooling rate of more than 120° C./s within two seconds after the finish rolling to a cooling termination temperature of more than 550° C. and less than 650° C., coiling the steel at a temperature of 550° C. or less, pickling the steel, and subjecting the steel to spheroidizing annealing at a temperature of 670° C. to the Ac1 transformation point by a batch annealing method.

摘要翻译： 提供了具有优异的宽度方向均匀性的高碳热轧钢板。 钢板含有0.2〜0.7％的碳，0.01〜1.0％的硅，0.1〜1.0％的锰，0.03％以下的磷，0.035％以下的硫，0.08％以下的铝和0.01％以下的氮， 余量是铁和杂质。 该结构使得钢板边缘部分的平均铁素体晶粒尺寸小于35μm，比边缘部分更靠近钢板中心的部分的平均铁素体晶粒度小于20μm，并且 平均碳化物粒径为0.10μm以上且小于2.0μm。 钢板通过大致轧制钢材，在超过（Ar3 + 40℃）的终轧温度下对钢进行精轧，以2℃以上的冷却速度冷却钢板 精轧后的冷却终止温度为550℃以上且小于650℃，在550℃以下的温度下卷取钢，对钢进行酸洗，对钢进行球化退火 通过分批退火法在270℃的温度下与Ac1相变点反应。

公开(公告)号：US09419882B2

公开(公告)日：2016-08-16

申请号：US14235041

申请日：2012-04-27

申请人： Nobuyuki Nakamura ,  Satoshi Ikada ,  Masayuki Muratani

发明人： Nobuyuki Nakamura ,  Satoshi Ikada ,  Masayuki Muratani

IPC分类号： H04L12/26 ,  H04L12/24

CPC分类号： H04L43/0894 ,  H04L41/0213 ,  H04L41/069 ,  H04L41/16 ,  H04L41/20 ,  H04L43/026 ,  H04L43/04 ,  H04L43/16

摘要： The present invention relates to a network analyzing system that performs analyzing for a network. The network analyzing system includes one or a plurality of data processing modules and a network analysis apparatus, the network analysis apparatus includes a unit for accommodating the data processing modules, a unit for holding data-to-be-analyzed, a unit for storing data processing definition information that defines steps that carry out the processing of the data-to-be-analyzed using the data processing modules, a unit for causing the data processing modules to carry out data processing based on the data processing definition information to obtain a data processing result, and each data processing module includes a unit connecting to the network analysis apparatus, and a unit for carrying out data processing in accordance with a request.

摘要翻译： 本发明涉及对网络进行分析的网络分析系统。 网络分析系统包括一个或多个数据处理模块和网络分析装置，网络分析装置包括用于容纳数据处理模块的单元，用于保存待分析数据的单元，用于存储数据的单元 处理定义信息，其定义使用数据处理模块执行要分析的数据的处理的步骤;用于使数据处理模块基于数据处理定义信息执行数据处理的单元，以获得数据 处理结果，并且每个数据处理模块包括连接到网络分析装置的单元和用于根据请求执行数据处理的单元。