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51. 发明授权

US5853659A Steel, steel sheet having excellent workability and method of producing the same by electric furnace-vacuum degassing process 失效
标题翻译：具有优异的加工性的钢板，通过电炉 - 真空脱气工艺制造该钢板的方法
公开(公告)号：US5853659A
公开(公告)日：1998-12-29
申请号：US806765
申请日：1997-02-26
申请人： Takashi Sekita , Taro Yahiro , Saiji Matsuoka , Toshio Fujimura , Takemi Yamamoto , Masahiko Morita , Osamu Furukimi , Arata Ueda
发明人： Takashi Sekita , Taro Yahiro , Saiji Matsuoka , Toshio Fujimura , Takemi Yamamoto , Masahiko Morita , Osamu Furukimi , Arata Ueda
IPC分类号： C21C7/10 , C21D8/04 , C22C38/00 , C22C38/12 , C22C38/14 , C21C5/52 , C21D8/02 , C22C38/08
CPC分类号： C22C38/004 , C21D8/041 , C22C38/001 , C22C38/002 , C22C38/008 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/12 , C22C38/14 , C22C38/16 , C22C38/60 , C21C7/10 , C21D8/0426 , C21D8/0436 , Y02P10/216
摘要： Steel having excellent workability and deep drawability is produced by an electric furnace-vacuum degassing process. The steel has a composition which comprises about: C: 0.0050 wt % or less Si: 1.5 wt % or less Mn: 1.5 wt % or less P: 0.10 wt % or less Al: 0.10 wt % or less S: 0.020 wt % or less O: 0.01 wt % or less Cu: 0.02-1.5 wt % Ni: 0.02-2.0 wt % Ti and/or Nb: from 0.001 to 0.10 wt % N: from 0.0040 to 0.0090 wt %.
摘要翻译：通过电炉 - 真空脱气工艺制造具有优异的可加工性和深冲性的钢。钢的组成为：C：0.0050重量％以下Si：1.5重量％以下Mn：1.5重量％以下P：0.10重量％以下Al：0.10重量％以下S：0.020重量％少量O：0.01重量％以下Cu：0.02〜1.5重量％Ni：0.02〜2.0重量％Ti和/或Nb：0.001〜0.10重量％N：0.0040〜0.0090重量％。

52. 发明授权

US08790573B2 Ferritic Cr-contained steel 有权
标题翻译：铁素体含Cr钢
公开(公告)号：US08790573B2
公开(公告)日：2014-07-29
申请号：US10583220
申请日：2004-12-22
申请人： Atsushi Miyazaki , Yasushi Kato , Osamu Furukimi
发明人： Atsushi Miyazaki , Yasushi Kato , Osamu Furukimi
IPC分类号： C22C38/22 , C22C38/18
CPC分类号： C21D6/002 , C21D8/0226 , C21D8/0273 , C21D8/0426 , C21D8/0473 , C21D2211/005 , C22C38/02 , C22C38/04 , C22C38/22 , C22C38/26 , F28F21/083
摘要： A ferritic Cr-contained steel having a reduced thermal expansion coefficient is provided. The ferritic Cr-contained steel contains C of 0.03% or less, Mn of 5.0% or less, Cr of 6 to 40%, N of 0.03% or less, Si of 5% or less, and W of 2.0% to 6.0% in percent by mass, and Fe and inevitable impurities as the remainder, wherein precipitated W is 0.1% or less in percent by mass, and an average thermal expansion coefficient between 20° C. and 800° C. is less than 12.6×10-6/° C.
摘要翻译：提供一种具有降低的热膨胀系数的铁素体含铬钢。铁素体含Cr钢含有0.03％以下的Mn，5.0％以下的Cr，6％〜40％的Cr，0.03％以下的N，5％以下的Si，2.0％以上6.0％以下的W。以质量计，Fe和不可避免的杂质为余量，其中沉淀W为0.1质量％以下，平均热膨胀系数为20℃〜800℃，小于12.6×10 -6， 6 /℃

53. 发明授权

US07819991B2 Ferritic stainless steel sheet for raw material pipe for bellows pipe 有权
标题翻译：用于波纹管原料管的铁素体不锈钢板
公开(公告)号：US07819991B2
公开(公告)日：2010-10-26
申请号：US11918934
申请日：2006-05-29
申请人： Yasushi Kato , Yoshihiro Ozaki , Osamu Furukimi , Norimasa Hirata , Takumi Ujiro
发明人： Yasushi Kato , Yoshihiro Ozaki , Osamu Furukimi , Norimasa Hirata , Takumi Ujiro
IPC分类号： C22C38/22 , C22C38/26
CPC分类号： C22C38/004 , B21D15/10 , B21D26/053 , B23K9/0282 , B23K26/262 , B23K31/027 , B23K2101/10 , B23K2103/05 , C21D6/002 , C21D8/0463 , C21D8/105 , C21D9/08 , C21D9/46 , C21D2211/005 , C22C38/002 , C22C38/04 , C22C38/22 , C22C38/26 , C22C38/32 , F28F21/083
摘要： A ferritic stainless steel sheet for forming a raw material pipe for bellows pipe is excellent in formability and high-temperature properties (high-temperature salt corrosion resistance and high-temperature fatigue properties). Specifically, the ferritic stainless steel sheet for forming a raw material pipe for bellows pipe contains 0.015% by mass or less of C, 1.0% by mass or less of Si, 1.0% by mass or less of Mn, 0.04% by mass or less of P, 0.010% by mass or less of S, 11% to 19% by mass of Cr, 0.015% by mass or less of N, 0.15% by mass or less of Al, 1.25% to 2.5% by mass of Mo, 0.3% to 0.7% by mass of Nb, 0.0003% to 0.003% by mass of B, and the balance being Fe and incidental impurities. In the ferritic stainless steel sheet for forming a raw material pipe for bellows pipe, preferably, the average crystal grain diameter D of the steel sheet is 35 μm or less, and alternatively, the surface roughness Ra of the steel sheet is 0.40 μm or less.
摘要翻译：用于形成用于波纹管的原料管的铁素体不锈钢板的成形性和高温性（高温耐盐腐蚀性和高温疲劳性）优异。具体地说，用于形成波纹管用原料管的铁素体系不锈钢板含有C：0.015质量％以下，Si：1.0质量％以下，Mn：1.0质量％以下，0.04质量％以下的P，0.010质量％以下的S，11〜19质量％的Cr，0.015质量％以下的N，0.15质量％以下的Al，1.25质量％〜2.5质量％的Mo， Nb为0.3〜0.7质量％，B为0.0003〜0.003质量％，余量为Fe和附带杂质。在用于形成用于波纹管的原料管的铁素体不锈钢板中，优选钢板的平均晶粒直径D为35μm以下，或者钢板的表面粗糙度Ra为0.40μm以下。

54. 发明申请

US20090202384A1 HIGH TENSILE STRENGTH HOT-ROLLED STEEL SHEET HAVING SUPERIOR STRAIN AGING HARDENABILITY AND METHOD FOR PRODUCING THE SAME 审中-公开
标题翻译：具有超级应变老化的高拉伸强度热轧钢板及其制造方法
公开(公告)号：US20090202384A1
公开(公告)日：2009-08-13
申请号：US12367577
申请日：2009-02-09
申请人： Akio Tosaka , Sinjiro Kaneko , Yoichi Tominaga , Noriyuki Katayama , Nobutaka Kurosawa , Kei Sakata , Osamu Furukimi
发明人： Akio Tosaka , Sinjiro Kaneko , Yoichi Tominaga , Noriyuki Katayama , Nobutaka Kurosawa , Kei Sakata , Osamu Furukimi
IPC分类号： C22C38/00 , C22C38/16 , C22C38/18 , C22C38/08 , C22C38/14 , C22C38/12
CPC分类号： C21D8/0226 , C21D8/0236 , C21D2221/02 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12
摘要： A high tensile strength hot-rolled steel sheet having superior strain aging hardenability, which has high formability and stable quality characteristics, and in which satisfactory strength is obtained when the steel sheet is formed into automotive components, thus enabling the reduction in weight of automobile bodies. Specifically, a method for producing a high tensile strength hot-rolled steel sheet having superior strain aging hardenability with a BH of 80 MPa or more, a ΔTS of 40 MPa or more, and a tensile strength of 440 MPa or more includes the steps of heating a steel slab to 1,000° C. or more, the steel slab containing, in percent by mass, 0.15% or less of C, 0.45% or less of Si, 3.0% or less of Mn, 0.08% or less of P, 0.02% or less of S, 0.02% or less of Al, 0.0050% to 0.0250% of N, and optionally 0.1% or less in total of at least one of more than 0.02% to 0.1% of Nb and more than 0.02% to 0.1% of V, the ratio N (mass %)/Al (mass %) being 0.86 or more; rough-rolling the steel slab to form a sheet bar; finish-rolling the sheet bar at a finishing temperature of 800° C. or more; cooling at a cooling rate of 20° C. to 40° C./s or more within 0.5 second after the finish-rolling; and coiling at a temperature of 650° C. to 450° C. or less.
摘要翻译：具有优异的应变时效淬透性的高拉伸强度热轧钢板，其成形性高，质量特性稳定，当将钢板形成汽车部件时，能够获得令人满意的强度，能够减轻汽车车身的重量。具体而言，制造具有优异的应变时效淬透性，BH为80MPa以上，ΔTTS为40MPa以上，拉伸强度为440MPa以上的高强度热轧钢板的制造方法，其特征在于，将钢坯加热至1000℃以上时，所述钢坯以质量％计含有0.15％以下的C，0.45％以下的Si，3.0％以下的Mn，0.08％以下的P， 0.02％以下的S，0.02％以下的Al，0.0050％〜0.0250％的N，任意的0.1％以下，Nb中的0.02％以上0.1％以下，0.02％以上，0.02％以上， 0.1％的V，N（质量％）/ Al（质量％）的比例为0.86以上; 粗轧钢板以形成板材; 在800℃或更高的终轧温度下对板材进行精轧; 在精轧后的0.5秒内以20℃至40℃/秒的冷却速度冷却; 并在650℃至450℃或更低的温度下卷取。

55. 发明申请

US20090104068A1 Brake Disk Excellent in Temper Softening Resistance and Toughness 有权
标题翻译：制动盘具有优良的耐温柔软性和韧性
公开(公告)号：US20090104068A1
公开(公告)日：2009-04-23
申请号：US12297099
申请日：2006-10-05
申请人： Junichiro Hirasawa , Takumi Ujiro , Osamu Furukimi
发明人： Junichiro Hirasawa , Takumi Ujiro , Osamu Furukimi
IPC分类号： C22C38/52 , C22C38/30 , C22C38/50 , C22C38/38 , C22C38/18 , C22C38/24 , C22C38/44 , C22C38/20 , C22C38/26 , C22C38/22 , C22C38/12
CPC分类号： F16D65/125 , C21D1/18 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/18 , C22C38/20 , C22C38/26 , C22C38/38 , C22C38/40 , C22C38/46 , C22C38/56 , F16D2200/0017
摘要： A brake disk excellent in temper softening resistance and toughness comprising, 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, and 0.1% or less of N, 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：具有优异的回火软化性和韧性的制动盘，其含有C：0.1％以下，Si：1.0％以下，Mn：2.0％以下，Cr：10.5〜15.0％，Cr：0.1％以下 N，其余为Fe和不可避免的杂质，使得满足以下不等式：5Cr + 10Si + 15Mo + 30Nb-9Ni-5Mn-3Cu-225N-270C <45（1）和0.03 <= {C + N- 13/92）Nb} <= 0.09（2）其中Cr，Si，Mo，Nb，Ni，Mn，Cu，N和C分别以质量％表示相应元素的含量，并且具有马氏体结构具有平均直径为8至小于15μm的先前奥氏体晶粒。

56. 发明申请

US20090056838A1 Ferritic Stainless Steel Sheet Having Excellent Corrosion Resistance and Method of Manufacturing the Same 有权
标题翻译：具有优异耐腐蚀性的铁素体不锈钢板及其制造方法
公开(公告)号：US20090056838A1
公开(公告)日：2009-03-05
申请号：US11918375
申请日：2006-07-31
申请人： Kazuhide Ishii , Tomohiro Ishii , Osamu Furukimi
发明人： Kazuhide Ishii , Tomohiro Ishii , Osamu Furukimi
IPC分类号： C21D8/00 , C22C38/18
CPC分类号： C21D9/46 , C21D6/002 , C21D8/0205 , C21D9/48 , C21D2211/005 , C22C38/20 , C22C38/28
摘要： A ferritic stainless steel sheet having excellent corrosion resistance and a method of manufacturing the steel sheet are provided. Specifically, the ferritic stainless steel sheet of the invention contains C of 0.03% or less, Si of 1.0% or less, Mn of 0.5% or less, P of 0.04% or less, S of 0.02% or less, Al of 0.1% or less, Cr of 20.5% to 22.5%, Cu of 0.3% to 0.8%, Ni of 1.0% or less, Ti of 4×(C %+N %) to 0.35%, Nb of less than 0.01%, N of 0.03% or less, and C+N of 0.05% or less, and has the remainder including Fe and inevitable impurities, wherein 240+35×(Cr %−20.5)+280×{Ti %−4×(C %+N %)}≧280 is satisfied.
摘要翻译：提供具有优异的耐腐蚀性的铁素体不锈钢板和钢板的制造方法。具体地说，本发明的铁素体系不锈钢板含有C为0.03％以下，Si为1.0％以下，Mn为0.5％以下，P为0.04％以下，S为0.02％以下，Al为0.1％以下的Cr为20.5％〜22.5％，Cu为0.3〜0.8％，Ni为1.0％以下，Ti为4×（C％+ N％）〜0.35％，Nb小于0.01％，N为0.03 ％以下，C + N为0.05％以下，剩余部分为Fe和不可避免的杂质，其中240 + 35x（Cr％-20.5）+ 280×{Ti％-4x（C％+ N％）}> = 280。

57. 发明授权

US07494551B2 Ferritic stainless steel plate with Ti and method for production thereof 有权
标题翻译：铁素体不锈钢板及其制造方法
公开(公告)号：US07494551B2
公开(公告)日：2009-02-24
申请号：US10517886
申请日：2003-06-16
申请人： Yoshihiro Yazawa , Osamu Furukimi , Yasushi Kato
发明人： Yoshihiro Yazawa , Osamu Furukimi , Yasushi Kato
IPC分类号： C22C38/28 , C21D8/02
CPC分类号： C22C38/004 , C21D2211/004 , C21D2211/005 , C22C38/44 , C22C38/50
摘要： A Ti-containing ferritic stainless steel sheet and a manufacturing method thereof include stainless steels being formed while a refining load is decreased and having a low yield strength which exhibits superior workability. The Ti-containing ferritic stainless steel sheet contains on mass percent basis: 0.01% or less of C; 0.5% or less of Si; 0.3% or less of Mn; 0.01% to 0.04% of P; 0.01% or less of S; 8% to 30% of Cr; 1.0% or less of Al; 0.05% to 0.5% of Ti; 0.04% or less of N, 8≦Ti/(C+N)≦30 being satisfied; and the balance being substantially Fe and incidental impurities, wherein a grain size number of ferrite grain is 6.0 or more, and an average diameter Dp of precipitation diameters, each being [(a long axis length of a Ti base precipitate+a short axis length thereof)/2], of the Ti base precipitates in the steel sheet is in the range of from 0.05 μm to 1.0 μm.
摘要翻译：含Ti的铁素体系不锈钢板及其制造方法包括不锈钢，同时精炼负荷降低，屈服强度低，显示出优异的加工性。含钛铁素体系不锈钢板以质量％计，含有0.01％以下的C; 0.5％以下的Si; 0.3％以下的Mn; 0.01％〜0.04％P; 0.01％以下的S; 8％〜30％的Cr; 1.0％以下的Al; 0.05％〜0.5％的Ti; 0.04％以下的N，8 <= Ti /（C + N）<= 30满足; 余量基本上为Fe和杂质，其中铁素体晶粒的晶粒数为6.0以上，析出直径的平均直径Dp分别为[（Ti基析出物的长轴长度+短轴长度）/ 2]在钢板中的Ti基析出物的量在0.05μm至1.0μm的范围内。

58. 发明授权

US07294212B2 High-strength stainless steel material in the form of a wheel rim and method for manufacturing the same 有权
标题翻译：轮辋形式的高强度不锈钢材料及其制造方法
公开(公告)号：US07294212B2
公开(公告)日：2007-11-13
申请号：US10834920
申请日：2004-04-30
申请人： Junichiro Hirasawa , Takumi Ujiro , Osamu Furukimi
发明人： Junichiro Hirasawa , Takumi Ujiro , Osamu Furukimi
IPC分类号： C22C38/44 , C21D8/00
CPC分类号： C22C38/06 , C21D6/002 , C21D6/004 , C21D8/0205 , C21D2211/005 , C21D2211/008 , C22C1/002 , C22C38/02 , C22C38/04 , C22C38/44
摘要： Material for stainless steel sheets is heated to a temperature within a range of 850 to 1250° C. and cooled at a rate 1° C./s or faster, the material including 0.02% by mass or less of C, 1.0% by mass or less of Si, 2.0% by mass or less of Mn, 0.04% by mass or less of P, 0.01% by mass or less of S, 0.1% by mass or less of Al, 11% by mass or more but less than 17% by mass of Cr, 0.5% by mass or more but, less than 3.0% by mass of Ni, and 0.02% by mass or less of N, so as to satisfy specific relationships between the compositions.
摘要翻译：将不锈钢板的材料加热至850〜1250℃的温度，以1℃/秒以上的速度进行冷却，该材料含有0.02质量％以下的C，1.0质量％的Si以下，2.0质量％以下的Mn，0.04质量％以下的P，0.01质量％以下的S，0.1质量％以下的Al，11质量％以上且小于 17质量％的Cr，0.5质量％以上，小于3.0质量％的Ni，0.02质量％以下的N，以满足组合物之间的具体关系。

59. 发明授权

US07025838B2 Ferritic stainless steel sheet with excellent workability and method for making the same 有权
公开(公告)号：US07025838B2
公开(公告)日：2006-04-11
申请号：US10779897
申请日：2004-02-17
申请人： Yoshihiro Yazawa , Osamu Furukimi , Mineo Muraki , Yoshihiro Ozaki , Kunio Fukuda , Yukihiro Baba
发明人： Yoshihiro Yazawa , Osamu Furukimi , Mineo Muraki , Yoshihiro Ozaki , Kunio Fukuda , Yukihiro Baba
IPC分类号： C21D8/04
CPC分类号： C22C38/001 , C21D8/0205 , C21D8/0226 , C21D8/0236 , C21D8/0268 , C21D8/0278 , C21D8/0468 , C22C38/004 , C22C38/06 , C22C38/44 , C22C38/48 , C22C38/50 , C23C30/00
摘要： A ferritic stainless steel sheet for use in automobile fuel tanks and fuel pipes having smooth surface and resistance to organic acid is provided. The sheet contains, by mass, not more than about 0.1% C, not more than about 1.0 Si, not more than about 1.5% Mn, not more than about 0.06% P, not more than about 0.03% S, about 11% to about 23% Cr, not more than about 2.0% Ni, about 0.5% to about 3.0% Mo, not more than about 1.0% Al, not more than about 0.04% N, at least one of not more than about 0.8% Nb and not more than about 1.0% Ti, and the balance being Fe and unavoidable impurities, satisfying the relationship: 18≦Nb/(C+N)+2Ti/(C+N)≦60, wherein C, N, Nb, and Ti in the relationship represent the C, N, Nb, and Ti contents by mass percent, respectively. A process for making the same is also provided.

60. 发明申请

US20050019601A1 High-ductility steel sheet excellent in press formability and strain age hardenability, and method for manufacturing the same 审中-公开
标题翻译：压制成形性和应变时效淬透性优异的高延展性钢板及其制造方法
公开(公告)号：US20050019601A1
公开(公告)日：2005-01-27
申请号：US10909049
申请日：2004-07-30
申请人： Saiji Matsuoka , Tetsuo Shimizu , Kei Sakata , Osamu Furukimi
发明人： Saiji Matsuoka , Tetsuo Shimizu , Kei Sakata , Osamu Furukimi
IPC分类号： C22C38/00 , C21D8/02 , C22C38/02 , C22C38/04 , C22C38/12 , C22C38/16 , C23C2/02 , C23C2/28 , B32B15/00
CPC分类号： C22C38/02 , C21D8/0226 , C21D8/0236 , C21D8/0273 , C21D8/0278 , C22C38/04 , C22C38/12 , C22C38/16 , C23C2/02 , C23C2/28 , Y10T428/12799
摘要： A steel sheet composition contains appropriate amounts of C, Si, Mn, P, S, Al and N and 0.5 to 3.0% Cu. A composite structure of the steel sheet has a ferrite phase or a ferrite phase and a tempered martensite phase as a primary phase, and a secondary phase containing retained austenite in a volume ratio of not less than 1%. In place of the Cu, at least one of Mo, Cr, and W may be contained in a total amount of not more than 2.0%. This composition is useful in production of a high-ductility hot-rolled steel sheet, a high-ductility cold-rolled steel sheet and a high-ductility hot-dip galvanized steel sheet having excellent press formability and excellent stain age hardenability as represented by a ΔTS of not less than 80 MPa, in which the tensile strength increases remarkably through a heat treatment at a relatively low temperature after press forming.
摘要翻译：钢板组合物含有适量的C，Si，Mn，P，S，Al和N以及0.5〜3.0％的Cu。钢板的复合结构具有铁素体相或铁素体相，回火马氏体相作为主相，第二相含有体积比为1％以上的残留奥氏体。代替Cu，Mo，Cr和W中的至少一种可以含有不超过2.0％的总量。该组合物可用于生产高延展性热轧钢板，高延展性冷轧钢板和高延展性热浸镀锌钢板，其具有优异的压制成形性和优异的耐老化淬透性，如通过压制成形后的较低温度下的热处理，拉伸强度不大于80MPa的ΔTS值。

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