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11. 发明授权

US09410231B2 Steel sheet and method of manufacturing steel sheet 有权
标题翻译：钢板及钢板的制造方法
公开(公告)号：US09410231B2
公开(公告)日：2016-08-09
申请号：US13575252
申请日：2011-01-31
申请人： Riki Okamoto , Natsuko Sugiura , Kohichi Sano , Chisato Wakabayashi , Naoki Yoshinaga , Kaoru Kawasaki
发明人： Riki Okamoto , Natsuko Sugiura , Kohichi Sano , Chisato Wakabayashi , Naoki Yoshinaga , Kaoru Kawasaki
IPC分类号： C22C38/02 , C23C2/28 , C21D9/46 , C22C38/04 , C22C38/06 , C23C2/02 , C23C2/06 , C22C38/00 , C22C38/12 , C22C38/14 , C22C38/16
CPC分类号： C23C2/28 , C21D6/00 , C21D6/005 , C21D6/008 , C21D8/00 , C21D8/02 , C21D8/0205 , C21D8/0226 , C21D8/0236 , C21D8/0247 , C21D8/0263 , C21D8/04 , C21D8/0405 , C21D8/0426 , C21D8/0436 , C21D8/0447 , C21D9/46 , C21D9/48 , C21D2211/002 , C21D2211/005 , C21D2211/008 , C22C38/001 , C22C38/002 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/16 , C23C2/02 , C23C2/06
摘要： A steel sheet, including: as chemical components, by mass %, 0.05% to 0.35% of C; 0.05% to 2.0% of Si; 0.8% to 3.0% of Mn; 0.01% to 2.0% of Al; equal to or less than 0.1% of P; equal to or less than 0.05% of S; equal to or less than 0.01% of N; and the balance including iron and inevitable impurities, wherein the steel sheet comprises 50% or more of a ferrite phase, a bainite phase, and a tempered martensite phase, 3% or more of a retained austenite phase, and 50% or more of the crystal grains of the retained austenite phase satisfy Expression 1, wherein a carbon concentration at a position of center of gravity is Cgc and a carbon concentration at a grain boundary is Cgb.
摘要翻译：钢板，以质量％计，化学成分为0.05〜0.35％的C， 0.05％〜2.0％的Si; 0.8％〜3.0％的Mn; 0.01％〜2.0％的Al; 等于或小于0.1％的P; 等于或小于0.05的S; 等于或小于0.01的N; 余量包括铁和不可避免的杂质，其中钢板包含铁素体相，贝氏体相和回火马氏体相的50％以上，残余奥氏体相的3％以上，和50％以上残留奥氏体相的晶粒满足式1，其中，重心位置的碳浓度为Cgc，晶界处的碳浓度为Cgb。

12. 发明申请

US20150345361A1 Ferritic Stainless Steel for Automotive Exhaust System, Which Have Excellent Corrosion Resistance Against Condensate, Moldability, and High-Temperature Oxidation Resistance, and Method for Manufacturing Same 审中-公开
标题翻译：具有优异的耐冷凝性，耐模压性和高温抗氧化性的耐腐蚀性的汽车排气系统的铁素体不锈钢及其制造方法
公开(公告)号：US20150345361A1
公开(公告)日：2015-12-03
申请号：US14654949
申请日：2012-12-27
申请人： POSCO
发明人： Han Jin RYU , Gi Sun TAE , Hyung Gu KANG , Hun Jae HA
IPC分类号： F01N13/16 , C22C38/20 , C22C38/04 , C22C38/02 , C25F1/06 , C23C2/02 , C23C2/12 , C21D8/00 , C21D6/00 , B32B15/01 , C22C38/28 , C22C38/00
CPC分类号： F01N13/16 , B32B15/012 , C21D6/002 , C21D6/005 , C21D6/008 , C21D8/00 , C21D8/005 , C21D9/46 , C21D2211/005 , C22C38/00 , C22C38/001 , C22C38/004 , C22C38/008 , C22C38/02 , C22C38/04 , C22C38/18 , C22C38/20 , C22C38/28 , C23C2/02 , C23C2/12 , C25F1/06 , Y10T428/12757
摘要： Provided is a ferritic stainless steel having excellent corrosion resistance against condensate, moldability, and high-temperature oxidation resistance, wherein the ferritic stainless steel is capable of being manufactured in an economically advantageous manner without adding expensive alloying elements. The ferritic stainless steel includes, by weight %, C: greater than 0 and 0.01% or less, Cr: 9 to 13%, Si: 0.5 to 1.0%, Mn: greater than 0 and 0.5% or less, P: greater than 0 and 0.035% or less, S: greater than 0 and 0.01% or less, Ti: 0.15 to 0.5%, N: greater than 0 and 0.01% or less, Sn: 0.05 to 0.5%, and the remainder is Fe and inevitable impurities, wherein Sn concentrated at the surface part of the stainless steel is 10 times or more than Sn concentrated at the base part.
摘要翻译：本发明提供一种铁素体不锈钢，其具有优良的耐冷凝性，成型性和耐高温氧化性的耐腐蚀性，其中铁素体不锈钢能够以经济上有利的方式制造而不添加昂贵的合金元素。铁素体系不锈钢以重量％计含有C：大于0和0.01％以下，Cr：9〜13％，Si：0.5〜1.0％，Mn：大于0和0.5％以下，P：大于 0和0.035％以下，S：大于0和0.01％以下，Ti：0.15〜0.5％，N：大于0，0.01％以下，Sn：0.05〜0.5％，余量为Fe，不可避免杂质，其中在不锈钢的表面部分集中的Sn的浓度为在底部集中的Sn的10倍以上。

13. 发明申请

US20150314345A1 STEEL SHEET PILE AND METHOD FOR MANUFACTURING THE SAME 审中-公开
标题翻译：钢板及其制造方法
公开(公告)号：US20150314345A1
公开(公告)日：2015-11-05
申请号：US14652709
申请日：2014-03-24
申请人： NIPPON STEEL & SUMITOMO METAL CORPORATION
发明人： Kazutoshi ICHIKAWA , Hidetoshi ITO , Noriaki ONODERA
IPC分类号： B21B1/02 , C22C38/24 , C22C38/16 , C22C38/12 , B21B45/02 , C22C38/06 , C22C38/04 , C22C38/02 , B21B45/00 , C22C38/26 , C22C38/08
CPC分类号： B21B1/026 , B21B45/004 , B21B45/0203 , C21D8/00 , C21D8/0226 , C21D2211/004 , C21D2211/005 , C21D2211/009 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/12 , C22C38/16 , C22C38/24 , C22C38/26 , C22C38/48
摘要： In a steel sheet pile according to the present invention, a carbon equivalent CEN is 0.260 to 0.500, a structure includes a ferrite, a pearlite, a Widmanstätten ferrite, and a precipitate, the precipitate is one or both of Nb carbonitride and V carbonitride, a total number density of the precipitate is 0.10 to 0.30 pieces/μm2, a total area ratio of the ferrite and the pearlite is 70% or more, an area ratio of the Widmanstätten ferrite is 1% or more, an average grain size of the ferrite and the pearlite is 10 to 80 μm, and a yield strength is 460 MPa or more.
摘要翻译：在本发明的钢板桩中，碳当量为0.260〜0.500，其结构包括铁素体，珠光体，铁素体和析出物，析出物为Nb碳氮化物和碳氮化硼中的一种或两种，沉淀物的总数密度为0.10〜0.30个/μm2，铁素体和珠光体的总面积比为70％以上，Widmanstaten铁素体的面积率为1％以上，平均粒径为铁素体和珠光体为10〜80μm，屈服强度为460MPa以上。

14. 发明申请

US20150007913A1 Manufacturing Method for Strip Casting 550 MPa-Grade High Strength Atmospheric Corrosion-Resistant Steel Strip 有权
标题翻译：带钢铸造的制造方法550MPa级高强度大气耐腐蚀钢带
公开(公告)号：US20150007913A1
公开(公告)日：2015-01-08
申请号：US14371053
申请日：2013-02-18
申请人： Baoshan Iron & Steel Co., Ltd.
发明人： Xiufang Wang , Yuan Fang , Yan Yu , Jianchun Wu , Bo Qin
IPC分类号： C21D8/02
CPC分类号： C21D8/0215 , B21B1/463 , B22D11/001 , B22D11/002 , B22D11/0622 , B22D11/0637 , C21D8/00 , C21D8/0263 , C21D9/52 , C21D2211/005 , C21D2211/009 , C22C38/00 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50
摘要： A manufacturing method for strip casting 550 MPa-grade high strength atmospheric corrosion-resistant steel strip, comprising the following steps: 1) smelting, where the chemical composition of a molten steel is that: C is between 0.03-0.08%, Si≦0.4%, Mn is between 0.6-1.5%, P is between 0.07-0.22%, S≦0.01%, N≦0.012%, Cu is between 0.25-0.8%, Cr is between 0.3-0.8%, and Ni is between 0.12-0.4%, additionally, also comprised is at least one micro-alloying element among Nb, V, Ti, and Mo, where Nb is between 0.01-0.08%, V is between 0.01-0.08%, Ti is between 0.01-0.08%, and Mo is between 0.1-0.4%, and where the remainder is Fe and unavoidable impurities; 2) strip casting, where a 1-5 mm-thick cast strip is casted directly; 3) cooling the strip, where the cooling rate is greater than 20° C./s; 4) online hot rolling the cast strip, where the hot rolling temperature is between 1050-1250° C., where the reduction rate is between 20-50%, and where the deformation rate is >20s−1; austenite online recrystallizing after hot rolling, where the thickness of the hot rolled strip is between 0.5-3.0 mm; and, 5) cooling and winding, where the cooling rate is between 10-80° C./s, and where the winding temperature is between 570-720° C. The microscopic structure of a steel strip acquired is primarily constituted by fine polygonal ferrite and pearlite.
摘要翻译：一种550MPa级高强度大气耐腐蚀钢带的铸造制造方法，包括以下步骤：1）熔炼，其中钢水的化学组成为：C为0.03-0.08％，Si＆NlE; 0.4 ％，Mn在0.6-1.5％之间，P在0.07-0.22％之间，S＆NlE; 0.01％，N＆lt; lE; 0.012％，Cu在0.25-0.8％之间，Cr在0.3-0.8％之间，Ni在0.12- 0.4％，另外还包含Nb，V，Ti和Mo中的至少一种微合金元素，其中Nb在0.01-0.08％之间，V在0.01-0.08％之间，Ti在0.01-0.08％之间，并且Mo在0.1-0.4％之间，其余部分是Fe和不可避免的杂质; 2）带钢铸造，其中直接铸造1-5mm厚的铸钢带; 3）冷却条，其中冷却速率大于20℃/秒; 4）在线热轧铸钢带，其中热轧温度在1050-1250℃之间，其中压下率在20-50％之间，变形率> 20s-1; 热轧后的奥氏体在线再结晶，其中热轧带材的厚度在0.5-3.0mm之间; 和5）冷却和卷绕，其中冷却速率在10-80℃/ s之间，并且其中卷绕温度在570-720℃之间。获得的钢带的微观结构主要由细多边形铁素体和珠光体。

15. 发明申请

US20140294651A1 THERMO-MECHANICAL TREATMENT OF MATERIALS 审中-公开
标题翻译：材料的热机械处理
公开(公告)号：US20140294651A1
公开(公告)日：2014-10-02
申请号：US14231284
申请日：2014-03-31
申请人： SCHLUMBERGER TECHNOLOGY CORPORATION
发明人： Indranil Roy , Rashmi Bhavsar
IPC分类号： B22F5/10 , B22F3/24
CPC分类号： C21D8/00 , B22F3/14 , B22F5/12 , B22F2003/248 , B22F2998/10 , B22F2999/00 , C22C19/051 , C22C2200/04 , C22F1/10 , B22F9/04 , B22F3/15 , B22F2003/208 , B22F3/17 , B22F2202/17 , B22F2202/03
摘要： A thermal mechanical treatment method includes consolidating a powder by a severe plastic deformation process and ageing the consolidated powder at low temperature. The method may include cryomilling the powder before consolidating the powder by a severe plastic deformation process; hot isostatic pressing the consolidated powder into a dense powder before aging the consolidated powder; hot extruding the dense powder into a stock shape before aging the consolidated powder; hot-working the stock shape on a gyrating forge at a predetermined temperature before aging the consolidated powder; or heating the consolidated powder to a predetermined temperature, and maintaining the consolidated powder at the predetermined temperature for a predetermined time.
摘要翻译：热机械处理方法包括通过严格的塑性变形过程固化粉末并在低温下老化固化的粉末。该方法可以包括在通过严格的塑性变形过程固化粉末之前冷却粉末; 老化固化粉末之前，将均匀的均压粉末压成稠粉末; 在将固化粉末老化之前将致密粉末热挤出成型; 在熟化固化粉末之前，在预定温度下旋转锻造热加工坯料; 或将固结粉末加热至预定温度，并将固结的粉末保持在预定温度下一段预定时间。

16. 发明授权

US08641840B2 Method of making non-stainless steels with high strength and high ductility 有权
标题翻译：制造高强度，高延展性的非不锈钢的方法
公开(公告)号：US08641840B2
公开(公告)日：2014-02-04
申请号：US13863911
申请日：2013-04-16
申请人： The NanoSteel Company, Inc.
发明人： Daniel James Branagan , Brian E. Meacham , Jason K. Walleser , Andrew T. Ball , Grant G. Justice , Brendan L. Nation , Sheng Cheng , Alla V. Sergueeva
IPC分类号： C21D9/00
CPC分类号： C22C38/58 , C21D6/001 , C21D6/004 , C21D6/005 , C21D6/008 , C21D7/00 , C21D8/00 , C21D9/00 , C22C38/02 , C22C38/04 , C22C38/08 , C22C38/16 , C22C38/20 , C22C38/32 , C22C38/34 , C22C38/38 , C22C38/42 , C22C38/54
摘要： The present disclosure is directed and formulations and methods to provide non-stainless steel alloys having relative high strength and ductility. The alloys may be provided in sheet or pressed form and characterized by their particular alloy chemistries and identifiable crystalline grain size morphology. The alloys are such that they include boride pinning phases. In what is termed a Class 1 Steel the alloys indicate tensile strengths of 630 MPa to 1100 MPa and elongations of 10-40%. Class 2 Steel indicates tensile strengths of 875 MPa to 1590 MPa and elongations of 5-30%. Class 3 Steel indicates tensile strengths of 1000 MPa to 1750 MPa and elongations of 0.5-15%.
摘要翻译：本公开的目的是提供具有相对高的强度和延展性的非不锈钢合金的配方和方法。合金可以以片材或压制形式提供，其特征在于其特定的合金化学性质和可鉴定的晶粒尺寸形态。这些合金使得它们包括硼化物钉扎相。在所谓的1级钢中，合金表示630MPa至1100MPa的拉伸强度和10-40％的拉伸强度。 2级钢表示抗拉强度为875MPa至1590MPa，伸长率为5-30％。 3级钢的抗拉强度为1000MPa〜1750MPa，伸长率为0.5〜15％。

17. 发明申请

US20130233452A1 New Classes of Non-Stainless Steels with High Strength and High Ductility 有权
标题翻译：新型高强度，高延性不锈钢
公开(公告)号：US20130233452A1
公开(公告)日：2013-09-12
申请号：US13863911
申请日：2013-04-16
申请人： THE NANOSTEEL COMPANY, INC.
发明人： Daniel James BRANAGAN , Brian E. MEACHAM , Jason K. WALLESER , Andrew T. BALL , Grant G. JUSTICE , Brendan L. NATION , Sheng CHENG , Alla V. SERGUEEVA
IPC分类号： C22C38/58 , C22C38/54 , C22C38/42 , C22C38/38 , C22C38/02 , C22C38/32 , C22C38/20 , C22C38/16 , C22C38/08 , C22C38/04 , C21D6/00 , C22C38/34
CPC分类号： C22C38/58 , C21D6/001 , C21D6/004 , C21D6/005 , C21D6/008 , C21D7/00 , C21D8/00 , C21D9/00 , C22C38/02 , C22C38/04 , C22C38/08 , C22C38/16 , C22C38/20 , C22C38/32 , C22C38/34 , C22C38/38 , C22C38/42 , C22C38/54
摘要： The present disclosure is directed and formulations and methods to provide non-stainless steel alloys having relative high strength and ductility. The alloys may be provided in sheet or pressed form and characterized by their particular alloy chemistries and identifiable crystalline grain size morphology. The alloys are such that they include boride pinning phases. In what is termed a Class 1 Steel the alloys indicate tensile strengths of 630 MPa to 1100 MPa and elongations of 10-40%. Class 2 Steel indicates tensile strengths of 875 MPa to 1590 MPa and elongations of 5-30%. Class 3 Steel indicates tensile strengths of 1000 MPa to 1750 MPa and elongations of 0.5-15%.
摘要翻译：本公开的目的是提供具有相对高的强度和延展性的非不锈钢合金的配方和方法。合金可以以片材或压制形式提供，其特征在于其特定的合金化学性质和可鉴定的晶粒尺寸形态。这些合金使得它们包括硼化物钉扎相。在所谓的1级钢中，合金表示630MPa至1100MPa的拉伸强度和10-40％的拉伸强度。 2级钢表示抗拉强度为875MPa至1590MPa，伸长率为5-30％。 3级钢的抗拉强度为1000MPa〜1750MPa，伸长率为0.5〜15％。

18. 发明申请

US20130136945A1 Tailored Properties By Post Hot Forming Processing 审中-公开
标题翻译：定制性能通过后热成型加工
公开(公告)号：US20130136945A1
公开(公告)日：2013-05-30
申请号：US13811980
申请日：2011-06-23
申请人： Pascal P. Charest , Nicholas D. Adam
发明人： Pascal P. Charest , Nicholas D. Adam
IPC分类号： C21D8/00 , B21D31/00
CPC分类号： C21D8/00 , B21D22/022 , B21D31/00 , B21D53/88 , B29C43/003 , B29C43/52 , B29C2043/522 , C21D1/18 , C21D1/53 , C21D1/673 , C21D8/005 , C21D9/0068 , C21D2211/008 , C21D2221/00 , Y10T428/12458
摘要： A method of forming a shaped product from an initial blank comprises subjecting the initial blank to a hot forming and press hardening operation to form the shaped product with substantially a uniform first tensile strength. Subsequently, the shaped product is at least partially immersed into a fluidized bed that is maintained within a known range of operating temperatures. While the shaped product is immersed into the fluidized bed, a first region of the shaped product is heated selectively to above a known temperature. The first region is then cooled, such that the first region attains a second tensile strength that is substantially less than the first tensile strength.
摘要翻译：从初始坯料形成成形产品的方法包括对初始坯料进行热成型和加压硬化操作以形成具有基本均匀的第一拉伸强度的成形产品。随后，成形产品至少部分地浸入流化床中，流化床保持在已知的操作温度范围内。当成形产品浸入流化床中时，成形产品的第一区域被选择性地加热到高于已知温度。然后冷却第一区域，使得第一区域达到显着小于第一拉伸强度的第二拉伸强度。

19. 发明申请

US20110083775A1 HEAVY WALL STEEL MATERIAL HAVING SUPERIOR WELDABILITY AND METHOD FOR PRODUCING THE SAME 审中-公开
标题翻译：具有优良焊接性的重型钢材料及其制造方法
公开(公告)号：US20110083775A1
公开(公告)日：2011-04-14
申请号：US12968617
申请日：2010-12-15
申请人： Hiroshi Nakajima , Shiro Torizuka , Kaneaki Tsuzaki , Kotobu Nagai
发明人： Hiroshi Nakajima , Shiro Torizuka , Kaneaki Tsuzaki , Kotobu Nagai
IPC分类号： C22C38/00 , C21D8/02
CPC分类号： C21D8/00 , B22F2998/00 , C21D8/06 , C22C1/1094 , C22C32/0026 , C22C38/04 , C22C1/1036
摘要： A tough high strength heavy wall steel material having superior weldability is provided, said steel material has a diameter or a side 5 mm or more in length, and comprises oxides 1 μm or less in particle diameter homogeneously dispersed at a dispersion density in a range of from 10,000 to 100,000 particles/mm2 and uniform ferrite grains 2 μm or less in grain diameter formed over the entire plane making a right angle with respect to the rolling direction.
摘要翻译：提供具有优良焊接性的坚韧的高强度重壁钢材料，所述钢材具有长度为5mm以上的直径或侧面，并且包括以分散密度均匀分散的1μm以下的氧化物，其分散密度范围为 10,000〜100,000个/ mm 2，在整个平面上形成的晶粒直径为2μm以下的均匀的铁素体相对于轧制方向成直角。

20. 发明申请

US20100116381A1 INTERNAL HIGH HARDNESS TYPE PEARLITIC RAIL WITH EXCELLENT WEAR RESISTANCE AND ROLLING CONTACT FATIGUE RESISTANCE AND METHOD FOR PRODUCING SAME 有权
标题翻译：具有优异耐磨性和滚动接触的耐高温硬度型PEARLIILILIL及其生产方法
公开(公告)号：US20100116381A1
公开(公告)日：2010-05-13
申请号：US12593463
申请日：2008-03-25
申请人： Minoru Honjo , Tatsumi Kimura , Shinichi Suzuki , Kimihiro Nishimura , Shinji Mitao , Nobuo Shikanai
发明人： Minoru Honjo , Tatsumi Kimura , Shinichi Suzuki , Kimihiro Nishimura , Shinji Mitao , Nobuo Shikanai
IPC分类号： C21D9/04 , C22C38/18 , C22C38/22 , C22C38/44
CPC分类号： C22C38/02 , B21B1/085 , C21D1/18 , C21D8/00 , C21D9/04 , C21D2211/009 , C22C38/04 , C22C38/18 , C22C38/20 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/40
摘要： An internal high hardness type pearlitic rail that has a composition containing 0.73% to 0.85% by mass C, 0.5% to 0.75% by mass Si, 0.3% to 1.0% by mass Mn, 0.035% by mass or less P, 0.0005% to 0.012% by mass S, 0.2% to 1.3% by mass Cr, and the balance being Fe and incidental impurities, in which the value of [% Mn]/[% Cr] is greater than or equal to 0.3 and less than 1.0, where [% Mn] represents the Mn content, and [% Cr] represents the Cr content, and in which the internal hardness of a rail head that is defined by the Vickers hardness of a portion located from a surface layer of the rail head to a depth of at least 25 mm is greater than or equal to 380 Hv and less than 480 Hv.
摘要翻译：具有C含量为0.73〜0.85质量％，Si：0.5〜0.75质量％，Mn：0.3〜1.0质量％，P：0.035质量％以下的组合物的内部高硬度型珠光体钢，0.0005〜 0.012质量％的S，0.2〜1.3质量％的Cr，余量为[Mn] / [Cr]值大于或等于0.3且小于1.0的Fe和附带的杂质，其中[％Mn]表示Mn含量，[％Cr]表示Cr含量，其中轨头的内部硬度由位于轨头的表面层的部分的维氏硬度定义为至少25mm的深度大于或等于380Hv且小于480Hv。

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