专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

51. 发明授权

US07749431B2 Stainless steel for high-pressure hydrogen gas 有权
标题翻译：不锈钢用于高压氢气
公开(公告)号：US07749431B2
公开(公告)日：2010-07-06
申请号：US11108098
申请日：2005-04-18
申请人： Masaaki Igarashi , Hiroyuki Semba , Mitsuo Miyahara , Kazuhiro Ogawa , Tomohiko Omura
发明人： Masaaki Igarashi , Hiroyuki Semba , Mitsuo Miyahara , Kazuhiro Ogawa , Tomohiko Omura
IPC分类号： C22C38/58 , C22C38/46
CPC分类号： C22C38/18 , B23K35/3086 , C22C38/001 , C22C38/02 , C22C38/06 , C22C38/46 , C22C38/58
摘要： A high-strength stainless steel, having good mechanical properties and corrosion resistance in a high-pressure hydrogen gas environment, is used as a container or other device for high-pressure hydrogen gas, and consists of, by mass %, C: not more than 0.04%, Si: not more than 1.0%, Mn: 7 to 30%, Cr: 15 to 22%, Ni: 5 to 20%, V: 0.001 to 1.0%, N: 0.20 to 0.50% and Al: not more than 0.10%, and the balance Fe and impurities. Among the impurities, P is not more than 0.030%, S is not more than 0.005%, and Ti, Zr and Hf are not more than 0.01% respectively, and the contents of Cr, Mn and N satisfy the relationship, 2.5Cr+3.4Mn≦300N. The weld metal of the welded joint of the container or other device made of the said stainless steel satisfies the relationship, −11≦Nieq−1.1×Creq≦−8.
摘要翻译：在高压氢气环境中具有良好的机械性能和耐腐蚀性的高强度不锈钢用作高压氢气的容器或其他装置，以质量％计不超过C：不超过0.04％，Si：1.0％以下，Mn：7〜30％，Cr：15〜22％，Ni：5〜20％，V：0.001〜1.0％，N：0.20〜超过0.10％，余量为Fe和杂质。在杂质中，P不大于0.030％，S不大于0.005％，Ti，Zr和Hf分别不大于0.01％，Cr，Mn和N的含量满足2.5Cr + 3.4Mn＆nlE; 300N。由所述不锈钢制成的容器或其他装置的焊接接头的焊接金属满足以下关系：-11＆nlE; Nieq-1.1×Creq＆nlE; -8。

52. 发明申请

US20100086430A1 HEAT RESISTANT FERRITIC STEEL 审中-公开
标题翻译：耐热钢
公开(公告)号：US20100086430A1
公开(公告)日：2010-04-08
申请号：US12631307
申请日：2009-12-04
申请人： Hiroyuki Hirata , Mitsuru Yoshizawa , Kazuhiro Ogawa , Masaaki Igarashi
发明人： Hiroyuki Hirata , Mitsuru Yoshizawa , Kazuhiro Ogawa , Masaaki Igarashi
IPC分类号： C22C38/30 , C22C38/22 , C22C38/02 , C22C38/24 , C22C38/26
CPC分类号： C22C38/24 , C22C38/001 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/22 , C22C38/26 , C22C38/30 , C22C38/32
摘要： There is provided a heat resistant ferritic steel, excellent in the weld crack resistance of the HAZ and creep strength. A high-Cr heat resistant ferritic steel is characterized by consisting of, by mass %, Si: more than 0.1% and not more than 1.0%, Mn: 2.0% or less, Co: 1 to 8%, Cr: 7 to 13%, V: 0.05 to 0.4%, Nb: 0.01 to 0.09%, either one or both of Mo and W: 0.5 to 4% as a total, B: 0.005 to 0.025%, Al: 0.03% or less, and N: 0.003 to 0.06%, and containing C in an amount satisfying Expression (1), the balance being Fe and impurities, and O, P and S as impurities being such that O: 0.02% or less, P: 0.03% or less, and S: 0.02% or less, respectively, 0.005≦C≦(−5/3)×B+0.085 (1) in which C and B represent the content of each element (mass %). Furthermore, the high-Cr heat resistant ferritic steel may contain one or more kinds selected from the group consisting of Nd, Ta, Ca and Mg.
摘要翻译：提供耐热铁素体钢，HAZ的耐焊缝龟裂性和蠕变强度优异。高Cr耐热铁素体钢的特征在于以质量％计含有Si：大于0.1％且不大于1.0％的Mn：2.0％以下，Co：1〜8％，Cr：7〜13 ％，V：0.05〜0.4％，Nb：0.01〜0.09％，Mo和W中的任一种或两者：总计为0.5〜4％，B：0.005〜0.025％，Al：0.03％以下，N： 0.003〜0.06％，含有满足式（1）的量的C，余量为Fe和杂质，作为杂质的O，P和S为O：0.02％以下，P：0.03％以下，P：0.03％以下， S：0.02％以下，分别为0.005＆nlE; C＆NlE;（ - 5/3）×B + 0.085（1）其中C和B表示各元素的含量（质量％）。此外，高Cr耐热铁素体钢可以含有选自Nd，Ta，Ca和Mg中的一种或多种。

53. 发明授权

US07662244B2 Martensitic stainless steel and method for manufacturing same 有权
标题翻译：马氏体不锈钢及其制造方法
公开(公告)号：US07662244B2
公开(公告)日：2010-02-16
申请号：US10443821
申请日：2003-05-23
申请人： Mitsuru Yoshizawa , Kunio Kondo , Masaaki Igarashi , Yuichi Komizo
发明人： Mitsuru Yoshizawa , Kunio Kondo , Masaaki Igarashi , Yuichi Komizo
IPC分类号： C22C38/18
CPC分类号： C22C38/02 , C21D1/19 , C21D1/84 , C21D6/002 , C21D2211/001 , C21D2211/008 , C22C38/002 , C22C38/04 , C22C38/40 , C22C38/42 , C22C38/44 , C22C38/46
摘要： A martensitic stainless steel provided includes C: 0.01-0.1% and Cr: 9-15%, and the retained austenite phase has a thickness not more than 100 nm in such a manner that the X-ray integral intensities of 111γ and 110α satisfy the following formula (a): 0.005≦111γ/(111γ+110α)≦0.05 (a) Such a metal structure can be obtained by the following procedure: the steel is heated at a temperature of the Ac3 point or more, and then cooled from 800° C. to 400° C. at a cooling rate of not less than 0.08° C./sec and further cooled down to 150° C. at a cooling rate of not more than 1° C./sec. The martensitic stainless steel according to the present invention has a relatively high carbon content and a greater toughness in spite of a high mechanical strength, and further exhibits an excellent corrosion resistance, so that it is particularly effective as the material for constructing a deep oil well.
摘要翻译：提供的马氏体不锈钢包括C：0.01-0.1％和Cr：9-15％，并且残留奥氏体相的厚度不大于100nm，使得111gamma和110alpha的X射线积分强度满足下式（a）：0.005 <= 111gamma /（111gamma + 110alpha）这样的金属结构可以通过以下步骤获得：将钢在Ac 3点以上的温度下加热，然后从800℃冷却。至400℃，冷却速度不低于0.08℃/秒，并以不超过1℃/秒的冷却速度进一步冷却至150℃。本发明的马氏体系不锈钢虽然具有较高的机械强度，但具有较高的碳含量和较高的韧性，并且还具有优异的耐腐蚀性，因此作为构成深油井的材料特别有效。

54. 发明申请

US20090285713A1 LOW ALLOY STEEL FOR HIGH-PRESSURE HYDROGEN GAS ENVIRONMENT AND CONTAINER FOR HIGH-PRESSURE HYDROGEN 有权
标题翻译：用于高压氢气环境的低合金钢和高压氢气的容器
公开(公告)号：US20090285713A1
公开(公告)日：2009-11-19
申请号：US12470888
申请日：2009-06-12
申请人： Tomohiko Omura , Mitsuo Miyahara , Hiroyuki Semba , Masaaki Igarashi
发明人： Tomohiko Omura , Mitsuo Miyahara , Hiroyuki Semba , Masaaki Igarashi
IPC分类号： C22C38/00 , C22C38/12 , C22C38/04 , C22C38/24
CPC分类号： C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , Y02E60/321
摘要： Provided is a low alloy steel for high-pressure hydrogen gas environments, which contains, by mass percent, C: 0.15 to 0.60%, Si: 0.05 to 0.5%, Mn: 0.05 to 3.0%, P: not more than 0.025%, S: not more than 0.010%, Al: 0.005 to 0.10%, Mo: 0.5 to 3.0%, V: 0.05 to 0.30%, O (oxygen): not more than 0.01%, N: not more than 0.03%, and the balance Fe and impurities, and has tensile strength of not less than 900 MPa. This low alloy steel desirably contains B of 0.0003 to 0.003%, but in this case, N is limited to not more than 0.010%. It is desirable to contain at least one among Cr, Nb, Ti, Zr, and Ca. The contents of Mo and V desirably satisfy the following formula (1): [Mo(%)]·[V(%)]0.2≧0.32 (1).
摘要翻译：本发明提供一种高压氢气环境用低合金钢，以质量％计含有C：0.15〜0.60％，Si：0.05〜0.5％，Mn：0.05〜3.0％，P：0.025％以下， S：0.010％以下，Al：0.005〜0.10％，Mo：0.5〜3.0％，V：0.05〜0.30％，O（氧）：0.01％以下，N：0.03以下，平衡Fe和杂质，抗拉强度不低于900MPa。该低合金钢理想地含有0.0003〜0.003％的B，但在这种情况下，将N限制在0.010％以下。期望含有Cr，Nb，Ti，Zr和Ca中的至少一种。 Mo和V的含量优选满足下式（1）：[Mo（％）]。[V（％）] 0.2> = 0.32（1）。

55. 发明申请

US20080112837A1 Ferritic heat resistant steel 审中-公开
标题翻译：铁素体耐热钢
公开(公告)号：US20080112837A1
公开(公告)日：2008-05-15
申请号：US11905877
申请日：2007-10-05
申请人： Mitsuru Yoshizawa , Masaaki Igarashi , Mitsuo Miyahara , Yasutaka Noguchi
发明人： Mitsuru Yoshizawa , Masaaki Igarashi , Mitsuo Miyahara , Yasutaka Noguchi
IPC分类号： C22C38/40
CPC分类号： C22C38/02 , C22C38/04 , C22C38/22 , C22C38/24
摘要： Heat-resistant steel excellent in high-temperature long-term creep strength and creep-fatigue strength is provided. This heat-resistant steel comprises C: 0.01 to 0.13%, Si: 0.15 to 0.50%, Mn: 0.2 to 0.5%, P: not higher than 0.02%, S; not higher than 0.005%, Cr: exceeding 8.0% but lower than 12.0%, Mo: 0.1 to 1.5%, W: 1.0 to 3.0%, V: 0.1 to 0.5%, Nb: 0.02 to 0.10%, sol. Al: not higher than 0.015%, N: 0.005 to 0.070%, Nd: 0.005 to 0.050% and B: 0.002 to 0.015%, with the balance Fe and impurities; the content of Ni is lower than 0.3%, the content of Co is lower than 0.3% and the content of Cu is lower than 0.1% among the impurities; the steel contains Nd inclusions at a Nd inclusion density of not lower than 10000 inclusions/mm3. This steel may contain, in addition to the above-specified components, one or more elements of Ta, Hf, Ti, Ca and Mg.
摘要翻译：提供了耐高温长期蠕变强度和蠕变疲劳强度优异的耐热钢。该耐热钢包含C：0.01〜0.13％，Si：0.15〜0.50％，Mn：0.2〜0.5％，P：0.02以下，S：不超过0.005％，Cr：超过8.0％但低于12.0％，Mo：0.1〜1.5％，W：1.0〜3.0％，V：0.1〜0.5％，Nb：0.02〜0.10％ Al：0.015％以下，N：0.005〜0.070％，Nd：0.005〜0.050％，B：0.002〜0.015％，余量为Fe和杂质; Ni的含量低于0.3％，Co含量低于0.3％，Cu含量低于0.1％。钢含有Nd夹杂物，Nd含量密度不低于10000夹杂物/ mm 3。除了上述规定的成分之外，该钢还含有Ta，Hf，Ti，Ca，Mg中的一种以上的元素。

56. 发明授权

US07361236B2 Martensitic stainless steel 有权
标题翻译：马氏体不锈钢
公开(公告)号：US07361236B2
公开(公告)日：2008-04-22
申请号：US10411186
申请日：2003-04-11
申请人： Kunio Kondo , Takahiro Kushida , Yuichi Komizo , Masaaki Igarashi
发明人： Kunio Kondo , Takahiro Kushida , Yuichi Komizo , Masaaki Igarashi
IPC分类号： C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50
CPC分类号： C22C38/44 , C21D8/005 , C21D8/0263 , C21D2211/008 , C22C38/42 , C22C38/46
摘要： A martensitic stainless steel having a C content of 0.01 to 0.1 mass %, a Cr content of 9 to 15 mass % and a N content of not more than 0.1 mass %, wherein the maximum length of the carbides in the steel is 10 to 200 nm in the direction of the minor axis, or wherein the ratio of the average Cr concentration [Cr] to the average Fe concentration [Fe] in carbides in the steel ([Cr]/[Fe]) is not more than 0.4, or wherein the content of M23C6 type carbides is not more than 1 volume %, the content of M3C type carbides is 0.01 to 1.5 volume % and the content of MN type or M2N type nitrides is not more than 0.3 volume % is provided. This stainless steel has a high toughness in spite of both a relatively more C content and a high strength, thereby providing a, wide applicability to pipe material for oil wells containing carbon dioxide and a small amount of hydrogen sulfide, in particular for oil wells having a much greater depth.
摘要翻译： C含量为0.01〜0.1质量％，Cr含量为9〜15质量％，N含量为0.1质量％以下的马氏体系不锈钢，其中，碳的最大长度为10〜200 或其中钢中的碳化物中的平均Cr浓度[Cr]与平均Fe浓度[Fe]的比例（[Cr] / [Fe]））不大于0.4，或者其中M 23 C 6 C型碳化物的含量不超过1体积％，M 3 C型碳化物的含量为0.01〜 1.5体积％，并且MN型或M 2 N型氮化物的含量不大于0.3体积％。该不锈钢虽然具有较高的C含量和较高的强度，但具有较高的韧性，从而为含有二氧化碳和少量硫化氢的油井的管道材料提供了广泛的应用，特别是对于具有更深的深度

57. 发明授权

US07128791B2 Heat-resistant martensite alloy excellent in high-temperature creep rupture strength and ductility and process for producing the same 有权
标题翻译：耐高温马氏体合金具有优异的高温蠕变断裂强度和延展性及其制造方法
公开(公告)号：US07128791B2
公开(公告)日：2006-10-31
申请号：US10240176
申请日：2002-01-30
申请人： Toshiaki Horiuchi , Masaaki Igarashi , Fujio Abe
发明人： Toshiaki Horiuchi , Masaaki Igarashi , Fujio Abe
IPC分类号： C22C38/18
CPC分类号： C22C38/26 , C21D6/002 , C21D2211/008 , C22C38/02 , C22C38/04 , C22C38/22 , C22C38/24 , C22C38/30 , C22C38/32
摘要： The present invention provides a martensitic heat resistant alloy having a composition (A) comprising, % by weight: 0.03 to 0.15% of C; 0.01 to 0.9% of Si: 0.01 to 1.5% of Mn; 8.0 to 13.0% of Cr; 0.0005 to 0.015% of Al; no more than 2.0% of Mo; no more than 4.0% of W; 0.05 to 0.5% of V; 0.01 to 0.2% of Nb; 0.1 to 5.0% of Co; 0.008 to 0.03% of B; less than 0.005% of N: and Fe and inevitable impurities as the remainder, wherein (B) the contents (% by weight) of Mo, W, B and N satisfy the following formulae (1) and (2). B−0.772N>0.007 (1) W+1.916Mo−16.99B>2.0 (2) The martensitic heat resistant alloy of the present invention has excellent oxidation resistance, hot workability and ductility and exhibits high creep rupture strength in a range of relatively long rupture time at a high temperature.
摘要翻译：本发明提供具有组成（A）的马氏体系耐热合金，其组成为：重量％：C：0.03〜0.15％ 0.01〜0.9％的Si：0.01〜1.5％的Mn; 8.0〜13.0％的Cr; 0.0005〜0.015％的Al; 不超过2.0％的Mo; 不超过4.0％的W; 0.05〜0.5％V; 0.01〜0.2％的Nb; 0.1〜5.0％的Co; 0.008〜0.03％B; 小于0.005％的N和Fe以及不可避免的杂质作为余量，其中（B）Mo，W，B和N的含量（重量％）满足下式（1）和（2）。 <？in-line-formula description =“In-line Formulas”end =“lead”？> B-0.772N> 0.007（1）<？in-line-formula description =“In-line Formulas”end =“tail “？> <？in-line-formula description =”In-line Formulas“end =”lead“？> W + 1.916Mo-16.99B> 2.0（2）<？in-line-formula description =”In-line 公式“end =”tail“？>本发明的马氏体系耐热合金具有优异的抗氧化性，热加工性和延展性，并且在高温下相对长的断裂时间的范围内表现出高的蠕变断裂强度。

58. 发明授权

US06918968B2 Austenitic stainless steel 有权
标题翻译：奥氏体不锈钢
公开(公告)号：US06918968B2
公开(公告)日：2005-07-19
申请号：US10829274
申请日：2004-04-22
申请人： Hiroyuki Semba , Masaaki Igarashi
发明人： Hiroyuki Semba , Masaaki Igarashi
IPC分类号： C22C38/00 , C22C19/05 , C22C30/00 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/52 , C22C38/54 , C22C38/58
CPC分类号： C22C38/001 , C22C19/055 , C22C19/058 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/52 , F28F21/083
摘要： An austenitic stainless steel excellent in high temperature strength, high temperature ductility and hot workability, consisting of, by mass %, C: more than 0.05% to 0.15%, Si: 2% or less, Mn: 0.1 to 3%, P: 0.04% or less, S: 0.01% or less, Cr: more than 20% to less than 28%, Ni: more than 15% to 55%, Cu: more than 2% to 6%, Nb: 0.1 to 0.8%, V: 0.02 to 1.5%, sol. Al: 0.001 to 0.1%, but sol.Al≦0.4×N, N: more than 0.05% to 0.3% and O (Oxygen): 0.006% or less, but O≦1/(60×Cu), and the balance Fe and impurities. The austenitic stainless steel may contain at least one of Co, Mo, W, Ti, B, Zr, Hf, Ta, Re, Ir, Pd, Pt and Ag, and/or at least one of Mg, Ca, Y, La, Ce, Nd and Sc.
摘要翻译：以质量％计含有C：大于0.05％至0.15％的Si：2％或更低的Mn：0.1至3％的P：具有优异的高温强度，高温延展性和热加工性的奥氏体不锈钢， 0.04％以下，S：0.01％以下，Cr：20％以上且小于28％，Ni：15％〜55％，Cu：2％〜6％，Nb：0.1〜0.8％，V：0.02〜1.5％，溶胶。 Al：0.001〜0.1％，但是sol.Al <= 0.4xN，N：大于0.05％〜0.3％，O（氧）：0.006％以下，但O <= 1 /（60×Cu），余量为Fe 和杂质。奥氏体不锈钢可以含有Co，Mo，W，Ti，B，Zr，Hf，Ta，Re，Ir，Pd，Pt和Ag中的至少一种，和/或Mg，Ca，Y，La中的至少一种，Ce，Nd和Sc。

59. 外观设计

USD456443S1 Printer 失效
公开(公告)号：USD456443S1
公开(公告)日：2002-04-30
申请号：US29142938
申请日：2001-06-06
申请人： Masaaki Igarashi
设计人： Masaaki Igarashi

60. 发明授权

US6129999A High-strength welded steel structures having excellent corrosion resistance 失效
标题翻译：具有优异耐腐蚀性的高强度焊接钢结构
公开(公告)号：US6129999A
公开(公告)日：2000-10-10
申请号：US43649
申请日：1998-03-25
申请人： Masakatsu Ueda , Kazuhiro Ogawa , Kunio Kondo , Masaaki Igarashi
发明人： Masakatsu Ueda , Kazuhiro Ogawa , Kunio Kondo , Masaaki Igarashi
IPC分类号： B23K35/30 , C22C38/44 , B32B15/18 , B23K101/04 , F16L9/02 , F16L9/22
CPC分类号： B23K35/3086 , Y10T428/12965 , Y10T428/12979
摘要： Welded high-strength steel structure with excellent SSC and corrosion resistance in a wet carbon dioxide environment having a low H.sub.2 S concentration. A structure having a Vickers hardness of at most 350 and a joint tensile strength of at least 620 MPa and composed of a base metal comprising a martensitic stainless steel with a martensitic or tempered martensitic structure containing 0.001 to 0.05% C and 9 to 14% Cr and a weld metal comprising an austenitic-ferritic stainless steel having a duplex structure composed of austenite and 35 to 75% by volume of ferrite and containing 22 to 27% Cr,7 to 11% Ni and 1.5 to 5% Mo, and at most 0.03% C as an impurity.
摘要翻译： PCT No.PCT / JP96 / 02834 Sec。 371日期：1998年3月25日 102（e）1998年3月25日PCT PCT 1996年9月27日PCT公布。出版物WO97 / 12072 日期1997年04月3日在H2S浓度较低的湿二氧化碳环境中焊接高强度钢结构，具有优异的耐SSC和耐腐蚀性。维氏硬度为350以下，断裂强度为620MPa以上的结构，由含有马氏体或回火马氏体组织的马氏体系不锈钢构成的基体金属含有0.001〜0.05％的C和9〜14％的Cr 以及包含奥氏体 - 铁素体不锈钢的焊接金属，其具有由奥氏体和35〜75体积％的铁素体构成的双相组织，含有22〜27％的Cr，7〜11％的Ni和1.5〜5％的Mo，最多 0.03％C为杂质。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式