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    Corrosion-resistant chromium steel for architectural and civil engineering structural elements
    1.
    发明授权
    Corrosion-resistant chromium steel for architectural and civil engineering structural elements 失效
    用于建筑和土木工程结构件的耐腐蚀铬钢

    公开(公告)号：US06737018B2

    公开(公告)日：2004-05-18

    申请号：US10046158

    申请日：2002-01-16

    申请人： Hiroki Ota ,  Takumi Ujiro ,  Junichiro Hirasawa ,  Osamu Furukimi

    发明人： Hiroki Ota ,  Takumi Ujiro ,  Junichiro Hirasawa ,  Osamu Furukimi

    IPC分类号： C22C3804

    CPC分类号： C22C38/002 ,  C22C38/004 ,  C22C38/44 ,  C22C38/46 ,  C22C38/52 ,  C22C38/58

    摘要： A corrosion-resistant chromium steel for architectural and civil engineering structural elements, includes 0.0015 to 0.02 mass percent C, 0.0015 to 0.02 mass percent N, 0.1 to 1.0 mass percent Si, 0.1 to 3.0 mass percent Mn, more than 5 mass percent to less than 10 mass percent Cr, 0.01 to 3.0 mass percent Ni, 0.1 mass percent or less of Al, 0.05 mass percent or less of P, 0.03 mass percent or less of S, 0.01 to 1.0 mass percent Co, and the balance being Fe and incidental impurities. The steel has high long-term corrosion resistance and high weld-zone toughness. Preferably, the steel further includes 0.01 to 0.5 mass percent V and 0.001 to 0.05 mass percent W, the Cr content is in the range of more than 5 mass percent to less than 8 mass percent, and the Cr, V, and W contents are within a specified ratio.

    摘要翻译： 用于建筑和土木工程结构元件的耐腐蚀铬钢包括C：0.0015〜0.02质量％，N：0.0015〜0.02质量％，Si：0.1〜1.0质量％，Mn：0.1〜3.0质量％，5质量％以下 的Cr，0.01〜3.0质量％的Ni，0.1质量％以下的Al，0.05质量％以下的P，0.03质量％以下的S，0.01〜1.0质量％的Co，余量是Fe和 附带杂质。 该钢具有较高的长期耐腐蚀性和较高的焊接区韧性。 优选钢还含有0.01〜0.5质量％的V和0.001〜0.05质量％的W，Cr含量在5质量％〜小于8质量％的范围内，Cr，V和W的含量为 在规定的比例内。

    BRAKE DISK HAVING HIGH TEMPER SOFTENING RESISTANCE
    2.
    发明申请
    BRAKE DISK HAVING HIGH TEMPER SOFTENING RESISTANCE 审中-公开
    具有耐高温电阻的制动盘

    公开(公告)号：US20090162240A1

    公开(公告)日：2009-06-25

    申请号：US12297091

    申请日：2006-10-05

    申请人： Junichiro Hirasawa ,  Takako Yamashita ,  Noriko Makiishi ,  Etsuo Hamada ,  Takumi Ujiro ,  Osamu Furukimi

    发明人： Junichiro Hirasawa ,  Takako Yamashita ,  Noriko Makiishi ,  Etsuo Hamada ,  Takumi Ujiro ,  Osamu Furukimi

    IPC分类号： C22C38/20 ,  C22C38/22

    CPC分类号： C21D9/46 ,  C22C38/02 ,  C22C38/04 ,  C22C38/42 ,  C22C38/48 ,  C22C38/58 ,  F16D2200/0021

    摘要： A brake disk including, 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, 2.0% or less of Ni, greater than 0.5% to 4.0% of Cu, 0.02% to 0.3% of Nb, and 0.1% or less of N and further including N, Nb, Cr. Si, Ni, Mn, Mo, and Cu, 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： 一种制动盘，其质量分别为0.1％以下的Si，1.0％以下的Si，2.0％以下的Mn，10.5％〜15.0％的Cr，2.0％以下的Ni，大于0.5％〜4.0％ Cu％，Nb：0.02〜0.3％，N：0.1％以下，进一步含有N，Nb，Cr。 Si，Ni，Mn，Mo和Cu，其余为Fe和不可避免的杂质，使得满足以下不等式：<？in-line-formula description =“In-line formula”end =“lead”？> 5Cr + 10Si + 15Mo + 30Nb-9Ni-5Mn-3Cu-225N-270C <45（1）<？在线公式描述=“在线公式”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead”？> 0.03 <= {C + N-（13/93）Nb} <= 0.09（2）和<？in-line-formula description =“In-line 具有平均直径为8μm以上，硬度为32〜38HRC，具有高回火耐软化性的先前奥氏体晶粒的马氏体组织的公式“end =”tail“？>

    Martensitic stainless steel for disk brakes
    3.
    发明授权
    Martensitic stainless steel for disk brakes 有权
    马氏体不锈钢用于盘式制动器

    公开(公告)号：US08357247B2

    公开(公告)日：2013-01-22

    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： C22C38/18 ,  H01F1/00

    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）：0.03＆nlE; [C] + [N] -13 / 93×[Nb]＆nlE; 0.09（1）5×[Cr] + 10×[Si] + 30×[Nb] -9×[Ni] -5×[Mn] [Cu] -225×[N] -270×[C]＆nlE; 40（2）。

    Stainless steel sheet with excellent heat and corrosion resistances for brake disk
    4.
    发明授权
    Stainless steel sheet with excellent heat and corrosion resistances for brake disk 有权
    不锈钢板对制动盘具有优良的耐热和耐腐蚀性能

    公开(公告)号：US08852361B2

    公开(公告)日：2014-10-07

    申请号：US11794966

    申请日：2005-10-20

    申请人： Junichiro Hirasawa ,  Takumi Ujiro ,  Osamu Furukimi

    发明人： Junichiro Hirasawa ,  Takumi Ujiro ,  Osamu Furukimi

    IPC分类号： C22C38/00 ,  F16D65/12

    CPC分类号： F16D65/125 ,  F16D2200/0017 ,  F16D2200/0021

    摘要： A stainless steel sheet with excellent heat and corrosion resistances for a brake disk is provided. Specifically, in mass %, C: less than 0.10%, Si: 1.0% or less, Mn: 1.0 to 2.5%, P: 0.04% or less, S: 0.01% or less, Cr: more than 11.5% but not more than 15.0%, Ni: 0.1 to 1.0%, Al: 0.10% or less, Nb: more than 0.08% but not more than 0.6%, V: 0.02 to 0.3%, and N: more than 0.03% but not more than 0.10% are contained so that 0.03≦{C+N−(13/93)Nb}≦0.10, (5Cr+10Si+15Mo+30Nb+50V−9Ni−5Mn−3Cu−225N−270C)≦45, and {(14/50)V+(14/90)Nb}

    摘要翻译： 提供了一种对制动盘具有优异耐热腐蚀性能的不锈钢板。 具体地，以质量％计，C：小于0.10％，Si：1.0％以下，Mn：1.0〜2.5％，P：0.04％以下，S：0.01％以下，Cr：超过11.5％ ，15.0％以下，Ni：0.1〜1.0％，Al：0.10％以下，Nb：0.08％以上0.6％以下，V：0.02〜0.3％，N：0.03以上0.10以下 含有0.03和n C; N（C + N - （13/93）Nb}＆nlE; 0.10，（5Cr + 10Si + 15Mo + 30Nb + 50V-9Ni-5Mn-3Cu-225N-270C） {（14/50）V +（14/90）Nb}

    Martensitic stainless steel for disk brakes
    5.
    发明申请
    Martensitic stainless steel for disk brakes 有权
    马氏体不锈钢用于盘式制动器

    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”？>

    Martensitic stainless steel for disc brakes
    9.
    发明申请
    Martensitic stainless steel for disc brakes 审中-公开
    马氏体不锈钢用于盘式制动器

    公开(公告)号：US20120048662A1

    公开(公告)日：2012-03-01

    申请号：US13200933

    申请日：2011-10-05

    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： F16D65/12

    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 for disc brakes, having high temper softening resistance. The martensitic stainless steel is not seriously softened by maintaining the steel at more than 600° C. The martensitic stainless steel 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.

    摘要翻译： 用于盘式制动器的马氏体不锈钢，具有高抗回火软化性。 通过将钢保持在600℃以上，马氏体系不锈钢不会发生严重的软化。马氏体系不锈钢含有小于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 磷，0.010质量％以下的硫，0.2质量％以下的铝，超过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％的铜，大于0.08 质量％〜0.6质量％的铌，小于0.09质量％的氮，其余为铁和不可避免的杂质。

    Martensitic stainless steel sheet and method for making the same
    10.
    发明授权
    Martensitic stainless steel sheet and method for making the same 有权
    马氏体不锈钢板及其制造方法

    公开(公告)号：US07572407B2

    公开(公告)日：2009-08-11

    申请号：US10328598

    申请日：2002-12-23

    申请人： Junichiro Hirasawa ,  Takumi Ujiro ,  Osamu Furukimi

    发明人： Junichiro Hirasawa ,  Takumi Ujiro ,  Osamu Furukimi

    IPC分类号： C22C38/46 ,  C22C38/44 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54

    CPC分类号： C22C38/44 ,  C21D8/0205 ,  C21D8/0226 ,  C21D8/0236 ,  C22C38/002 ,  C22C38/004 ,  C22C38/06

    摘要： A martensitic stainless steel sheet having superior corrosion resistance, toughness at the weld zones, and workability. The composition of the steel sheet is, on a mass basis: less than about 0.02% of carbon; about 1.0% or less of silicon; less than about 1.5% of manganese; about 0.04% or less of phosphorus; about 0.01% or less of sulfur; about 0.1% or less of aluminum; about 1.5% or more and less than about 4.0% of nickel; about 11% or more and less than about 15% of chromium; about 0.5% or more and less than about 2.0% of molybdenum; and less than about 0.02% of nitrogen, the balance being iron and unavoidable impurities, wherein 15.0%≦[Cr]+1.5×[Mo]+1.2×[Ni]≦20.0%; [C]+[N] 3.0%; and 8.0%≦72×[C]+40×[N]+3×[Si]+2×[Mn]+4×[Ni]+[Mo]≦18.0%.

    摘要翻译： 具有优异的耐腐蚀性，焊接区韧性和可加工性的马氏体不锈钢板。 钢板的组成按质量计小于约0.02％的碳; 约1.0％以下的硅; 小于约1.5％的锰; 约0.04％以下的磷; 约0.01％以下的硫; 约0.1％以下的铝; 约1.5％以上且小于约4.0％的镍; 约11％以上且小于约15％的铬; 约0.5％以上且小于约2.0％的钼; 和小于约0.02％的氮，余量为铁和不可避免的杂质，其中15.0％<= [Cr] + 1.5x [Mo] + 1.2x [Ni] <= 20.0％; [C] + [N] <0.030％ [Ni] + 0.5x（[Mn] + [Mo]）+ 30x [C]> 3.0％ 和8.0％<= 72×[C] + 40×[N] + 3×[Si] + 2x [Mn] + 4x [Ni] + [Mo] = 18.0％。