公开(公告)号：US20060113008A1

公开(公告)日：2006-06-01

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： C22C38/26

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）：< 公式描述=“在线公式”end =“lead”？> 0.03 <= [C] + [N] -13 / 93x [Nb] <= 0.09（1）<？in-line-formula description =“In “公式”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead”？> 5x [Cr] + 10x [Si] + 30x [Nb] -9x [ Ni] -5x [Mn] -3x [Cu] -225x [N] -270x [C] <= 40（2）。 <？in-line-formula description =“In-line Formulas”end =“tail”？>

公开(公告)号：US20050211348A1

公开(公告)日：2005-09-29

申请号：US10512782

申请日：2003-06-02

申请人： Atsushi Miyazaki ,  Kenji Takao ,  Osamu Furukimi

发明人： Atsushi Miyazaki ,  Kenji Takao ,  Osamu Furukimi

IPC分类号： C21D8/12 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/22 ,  C22C38/26

CPC分类号： C21D8/1222 ,  C21D6/002 ,  C21D8/1233 ,  C21D9/08 ,  C21D2211/005 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/22

摘要： The present invention provides a ferritic stainless steel that has excellent strength at high temperature, oxidation resistance at high temperature, and salt corrosion resistance at high temperature and that can be used under high temperatures exceeding 900° C., and a method of producing the same. Specifically, the composition thereof is adjusted, on a % by mass basis, so as to include C: 0.02% or less; Si: 2.0% or less; Mn: 2.0% or less; Cr: from 12.0 to 40.0%; Mo: from 1.0 to 5.0%; W: more than 2.0% and 5.0% or less; wherein the total content of Mo and W: (Mo═W)≧4.3%, Nb: from 5 (C +N) to 1.0%, N: 0.02% or less, and Fe and inevitable impurities as residual.

摘要翻译： 本发明提供了一种在高温下具有优异的强度，高温下的耐氧化性和高温下的耐盐腐蚀性并且可以在高于900℃的高温下使用的铁素体不锈钢及其制造方法 。 具体而言，将其组成以质量％为基准进行调整，包括C：0.02％以下， Si：2.0％以下; Mn：2.0％以下; Cr：12.0〜40.0％ Mo：1.0〜5.0％; W：超过2.0％和5.0％以下; 其中Mo和W：（Mo-W）> = 4.3％，Nb：5（C + N）至1.0％，N：0.02％以下，以及Fe和不可避免的杂质作为残留物的总含量。

公开(公告)号：US06911098B2

公开(公告)日：2005-06-28

申请号：US10282535

申请日：2002-10-29

申请人： Yoshihiro Yazawa ,  Osamu Furukimi ,  Yasushi Kato ,  Yoshihiro Ozaki

发明人： Yoshihiro Yazawa ,  Osamu Furukimi ,  Yasushi Kato ,  Yoshihiro Ozaki

IPC分类号： C22C38/18 ,  C21D8/04 ,  C22C38/00 ,  C22C38/24 ,  C22C38/26 ,  C22C38/28 ,  C22C38/32

CPC分类号： C22C38/26 ,  C21D8/0405 ,  C21D8/0463 ,  C21D8/0473 ,  C22C38/002 ,  C22C38/004 ,  C22C38/24 ,  C22C38/28 ,  C22C38/32

摘要： A ferritic stainless steel sheet contains abut 0.01 percent by mass or less of carbon; about 1.0 percent by mass or less of silicon; about 1.5 percent by mass or less of manganese; about 11 to about 23 percent by mass of chromium; about 0.06 percent by mass or less of phosphorous; about 0.03 percent by mass or less of sulfur; about 1.0 percent by mass or less of aluminum; about 0.04 percent by mass or less of nitrogen; about 0.0005 to about 0.01 percent by mass of boron; about 0.3 percent by mass or less of vanadium; about 0.8 percent by mass or less of niobium and/or about 1.0 percent by mass or less of titanium wherein 18≦Nb/(C+N)+2(Ti/(C+N))≦60; and the balance being iron and unavoidable impurities. The average crystal grain diameter is about 40 μm or less and the average surface roughness is about 0.3 μm or less.

摘要翻译： 铁素体系不锈钢板含有0.01质量％以下的碳; 约1.0质量％以下的硅; 约1.5质量％以下的锰; 约11〜约23质量％的铬; 约0.06质量％以下的磷; 约0.03质量％以下的硫; 约1.0质量％以下的铝; 约0.04质量％以下的氮气; 约0.0005〜约0.01质量％的硼; 约0.3质量％以下的钒; 约0.8质量％以下的铌和/或约1.0质量％以下的钛，其中18≤Nb/（C + N）+2（Ti /（C + N））= 60; 余量为铁和不可避免的杂质。 平均晶粒直径为约40μm或更小，平均表面粗糙度为约0.3μm或更小。

公开(公告)号：US20050076976A1

公开(公告)日：2005-04-14

申请号：US10509469

申请日：2003-08-07

申请人： Shinsuke Ide ,  Shin Ishikawa ,  Kenji Takao ,  Osamu Furukimi ,  Kunio Fukuda ,  Atsushi Miyazaki

发明人： Shinsuke Ide ,  Shin Ishikawa ,  Kenji Takao ,  Osamu Furukimi ,  Kunio Fukuda ,  Atsushi Miyazaki

IPC分类号： C22C38/00 ,  C22C38/02 ,  C22C38/12 ,  H01M8/00 ,  C22C38/26

CPC分类号： C21D8/0205 ,  C21D2211/004 ,  C22C38/004 ,  C22C38/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/22 ,  C22C38/26 ,  C22C38/28

摘要： The present invention provides an inexpensive metallic material for interconnects of solid-oxide fuel cells, a fuel cell using the metallic material, and a method for producing the metallic material having excellent oxidation resistance and spalling resistance of an oxide layer, high electrical conductivity, and a small difference in thermal expansion from an electrolyte. Specifically, 0.20 percent by mass or less of C, 0.02 to 1.0 percent by mass of Si, 2.0 percent by mass or less of Mn, 10 to 40 percent by mass of Cr, 0.03 to 5.0 percent by mass of Mo, 0.1 to 3.0 percent by mass of Nb, and at least one element selected from the group consisting of Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Zr, and Hf in a total of 1.0 percent by mass or less are added so as to satisfy 0.1≦Mo/Nb≦30, for decreasing the growth rate of the oxide layer and improving the spalling resistance.

摘要翻译： 本发明提供一种用于固体氧化物燃料电池的互连的便宜的金属材料，使用该金属材料的燃料电池以及具有优异的氧化物层的耐氧化性和耐剥离性，高导电性的金属材料的制造方法和 与电解质的热膨胀差异很小。 具体地，将0.20质量％以下的C，0.02〜1.0质量％的Si，2.0质量％以下的Mn，10〜40质量％的Cr，0.03〜5.0质量％的Mo，0.1〜3.0 添加Nb的质量百分比，以及选自Sc，Y，La，Ce，Pr，Nd，Pm，Sm，Zr和Hf中的至少一种元素总计为1.0质量％以下。 为了满足0.1 <= Mo / Nb <= 30，为了降低氧化物层的生长速度和提高耐剥离性。

公开(公告)号：US06740174B2

公开(公告)日：2004-05-25

申请号：US09987327

申请日：2001-11-14

申请人： Atsushi Miyazaki ,  Junichiro Hirasawa ,  Mineo Muraki ,  Yoshihiro Yazawa ,  Osamu Furukimi

发明人： Atsushi Miyazaki ,  Junichiro Hirasawa ,  Mineo Muraki ,  Yoshihiro Yazawa ,  Osamu Furukimi

IPC分类号： C22C3844

CPC分类号： C22C38/48 ,  C21D6/004 ,  C21D6/02 ,  C22C38/001 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/44 ,  C22C38/46

摘要： The soft Cr-containing steel includes, on a % by mass basis, C: from about 0.001% to about 0.020%, Si: more than about 0.10% and less than about 0.50%, Mn: less than about 2.00%, P: less than about 0.060%, S: less than about 0.008%, Cr: from about 12.0% to about 16.0%, Ni: from about 0.05% to about 1.00%, N: less than about 0.020%, Nb: from about 10×(C+N) to about 1.00%, Mo: more than about 0.80% and less than about 3.00%, wherein the contents of alloying elements, represented by Si and Mo, respectively, on a % by mass, satisfy the formula Si ≦1.2−0.4 Mo, so as to prevent precipitation of the Laves phase and to stably secure an effect of increasing high-temperature strength due to solid solution Mo.

摘要翻译： 含有软Cr的钢包括以质量％计，C：约0.001％至约0.020％，Si：大于约0.10％且小于约0.50％，Mn：小于约2.00％，P： 小于约0.060％，S：小于约0.008％，Cr：约12.0％至约16.0％，Ni：约0.05％至约1.00％，N：小于约0.020％，Nb：约10x C + N）至约1.00％，Mo：大于约0.80％且小于约3.00％，其中由Si和Mo表示的合金元素的含量分别为质量％满足式Si < 1.2-0.4 Mo，以防止Laves相沉淀，并稳定地确保由于固溶Mo而使高温强度提高的效果。

公开(公告)号：US06425963B1

公开(公告)日：2002-07-30

申请号：US09490267

申请日：2000-01-24

申请人： Shinjiro Kaneko ,  Tetsuo Shimizu ,  Osamu Furukimi

发明人： Shinjiro Kaneko ,  Tetsuo Shimizu ,  Osamu Furukimi

IPC分类号： C22C3800

CPC分类号： C21D8/0226 ,  C22C38/001 ,  C22C38/04

摘要： High tensile strength hot-rolled steel sheet suitable for use in interior materials for automobiles and a method for producing the same, in which bake hardenability, fatigue resistance, crash resistance, and resistance to room temperature aging are improved, containing 0.01% to 0.12% by weight of carbon, 2.0% by weight or less of silicon, 0.01% to 3.0% by weight of manganese, 0.2% by weight or less of phosphorus, 0.001% to 0.1% by weight of aluminum, and 0.003% to 0.02% by weight of nitrogen and subjected to hot rolling and cooling at a cooling rate of 50° C./s or more within 0.5 second after hot rolling; the hot-rolled steel sheet has a structure including a ferrite having an average grain diameter of 8 &mgr;m or less as a primary phase, the amount of solute Nitrogen ranges from 0.003% to 0.01%, and the ratio, Ngb/Ng, of an average concentration Ngb of nitrogen dissolved in the ferrite grain boundary to an average concentration Ng of nitrogen dissolved in ferrite grains ranges from 100 to 10,000.

摘要翻译： 适用于汽车内饰材料的高强度热轧钢板及其制造方法，其中烘烤淬透性，耐疲劳性，抗冲击性和耐室温老化性均得到改善，含有0.01％至0.12％ 的碳，2.0重量％以下的硅，0.01〜3.0重量％的锰，0.2重量％以下的磷，0.001〜0.1重量％的铝，0.003〜0.02重量％ 并在热轧后0.5秒内以50℃/ s以上的冷却速度进行热轧冷却; 热轧钢板具有平均粒径为8μm以下的铁素体作为主相的结构，溶质氮的含量为0.003〜0.01％，Ngb / Ng的比例为 溶解在铁素体晶界中的氮的平均浓度Ngb与溶解在铁素体晶粒中的氮的平均浓度Ng的关系为100〜10000。

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 /℃

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 。

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。

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。