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1. 发明授权

US5194222A Alloy and composite steel tube with corrosion resistance in combustion environment where V, NA, S and C1 are present 失效
标题翻译：在V，NA，S和C1出现的燃烧环境中具有耐腐蚀性的合金和复合钢管
公开(公告)号：US5194222A
公开(公告)日：1993-03-16
申请号：US810882
申请日：1991-12-20
申请人： Hiroyuki Ogawa , Tetsuo Ishitsuka , Kozo Denpo , Akihiro Miyasaka , Michihisa Ito , Mizuo Sakakibara
发明人： Hiroyuki Ogawa , Tetsuo Ishitsuka , Kozo Denpo , Akihiro Miyasaka , Michihisa Ito , Mizuo Sakakibara
IPC分类号： B32B15/01 , C22C19/05
CPC分类号： C22C19/055 , B32B15/015 , Y10S138/06 , Y10T428/12285 , Y10T428/12931
摘要： An alloy exhibiting corrosion resistance in a combustion environment where V, Na, S and Cl are present comprises, in weight percent, not more than 0.05% C, 0.02-0.5% Si, 0.02-0.5% Mn, 15-35% Cr, 0.5-4% Mo, 10-40% Co, 5-15% Fe, 0.5-5% W, 0.0003-0.005% Ca and the remainder of Ni at a content of not less than 4% and unavoidable impurities, provided that Cr (%)+0.5Ni (%)+3Mo (%).gtoreq.30 (%) and Ni (%)+0.5Co (%).gtoreq.Cr (%)+Mo (%)+W (%). A composite steel tube exhibiting corrosion resistance in a combustion environment where V, Na, S and Cl are present comprises an inner tube constituted of Cr-containing boiler tube and an outer tube constituted of the alloy.

2. 发明授权

US5190832A Alloy and composite steel tube with corrosion resistance in combustion environment where V, Na, S and Cl are present 失效
标题翻译：在V，NA，S和CL现在的燃烧环境中具有耐腐蚀性的合金和复合钢管
公开(公告)号：US5190832A
公开(公告)日：1993-03-02
申请号：US811066
申请日：1991-12-20
申请人： Hiroyuki Ogawa , Tetsuo Ishitsuka , Kozo Denpo , Akihiro Miyasaka , Koichi Takeda , Satoshi Araki
发明人： Hiroyuki Ogawa , Tetsuo Ishitsuka , Kozo Denpo , Akihiro Miyasaka , Koichi Takeda , Satoshi Araki
IPC分类号： B32B15/01 , C22C19/07 , C22C30/00
CPC分类号： B32B15/01 , C22C19/07 , C22C30/00 , Y10S138/06 , Y10T428/12931
摘要： An alloy exhibiting corrosion resistance in a combustion environment where V, Na, S and Cl are present comprises, in weight percent, not more than 0.05% C, 0.02-0.5% Si, 0.02-0.5% Mn, 15-35% Cr, 0.5-4% Mo, more than 40% but not more than 60% Co, 5-15% Fe, 0.5-5% W, 0.0003-0.005% Ca and the remainder of Ni at a content of not less than 4% and unavoidable impurities, provided that Cr (%)+0.5Ni (%)+3Mo (%).gtoreq.30 (%). A composite steel tube exhibiting corrosion resistance in a combustion environment where V, Na, S and Cl are present comprises an inner tube constituted of Cr-containing boiler tube and an outer tube constituted of the alloy.

3. 发明授权

US5620805A Alloy and multilayer steel tube having corrosion resistance in fuel combustion environment containing V, Na, S and Cl 失效
标题翻译：在V，Na，S和Cl的燃料燃烧环境中具有耐腐蚀性的合金和多层钢管
公开(公告)号：US5620805A
公开(公告)日：1997-04-15
申请号：US535120
申请日：1995-10-26
申请人： Hiroyuki Ogawa , Tetsuo Ishitsuka , Koichi Nose
发明人： Hiroyuki Ogawa , Tetsuo Ishitsuka , Koichi Nose
IPC分类号： C22C38/00 , B32B15/01 , C22C30/00 , C22C38/40 , C22C38/48 , B32B15/18 , C22C38/44
CPC分类号： B32B15/011 , C22C30/00 , Y10T428/12965 , Y10T428/12979
摘要： The present invention provides a highly corrosion-resistant steel tube for use as a steel tube for boilers, etc., used for installations where fossil fuel or combustible refuse is burnt as an energy source.An alloy which exhibits corrosion resistance in an environment where fuel containing V, Na, S and Cl is burnt, comprising up to 0.05% of C, 1.0 to 2.6% of Si, 0.02 to 0.5% of Mn, 20 to 28% of Cr, 24 to 36% of Ni, up to 4% of Mo, up to 0.4% of Nb, up to 0.05% of Al and the balance Fe and unavoidable impurities, and satisfying the following inequalities:Ni.gtoreq.(Cr+2Si+0.5Mo),Nb.gtoreq.8C,andMo(Cr-18).gtoreq.8,anda multilayer steel tube comprising said alloy as a liner and a standardized boiler steel tube as a base layer.
摘要翻译： PCT No.PCT / JP95 / 00382 Sec。 371 1995年10月26日第 102（e）日期1995年10月26日PCT 1995年3月8日PCT PCT。第WO95 / 24512号公报日期1995年9月14日本发明提供一种高耐腐蚀钢管，用作锅炉等的钢管，用于将化石燃料或可燃垃圾燃烧为能源的设施。在含有V，Na，S和Cl的燃料燃烧的环境中具有耐腐蚀性的合金，其包含高达0.05％的C，1.0至2.6％的Si，0.02至0.5％的Mn，20至28％的Cr ，24〜36％的Ni，高达4％的Mo，高达0.4％的Nb，至多0.05％的Al，余量为Fe和不可避免的杂质，满足以下不等式：Ni> / =（Cr + 2Si + 0.5Mo），Nb> / = 8C和Mo（Cr-18）> / = 8，以及包括所述合金作为衬里的多层钢管和标准化的锅炉钢管作为基层。

4. 发明申请

US20100119860A1 STEEL PIPE EXCELLENT IN DEFORMATION CHARACTERISTICS AND METHOD OF PRODUCING THE SAME 有权
标题翻译：钢管在变形特性方面表现出色，其生产方法也是如此
公开(公告)号：US20100119860A1
公开(公告)日：2010-05-13
申请号：US12452765
申请日：2008-07-22
申请人： Asahi Hitoshi , Tetsuo Ishitsuka , Motofumi Koyuba , Toshiyuki Ogata
发明人： Asahi Hitoshi , Tetsuo Ishitsuka , Motofumi Koyuba , Toshiyuki Ogata
IPC分类号： B32B1/08 , C22C38/58 , C22C38/42 , C22C38/54 , C21D9/08 , C22C38/04
CPC分类号： C22C38/04 , C21D8/105 , C21D9/08 , Y10T428/12292
摘要： The invention provides a steel pipe excellent in deformation characteristics, most notably a steel pipe for expandable-pipe oil well and a low-yield-ratio line pipe, and a method of producing the same without conducting water cooling requiring large-scale heat treatment equipment, namely a method of producing a steel pipe excellent in deformation characteristics whose microstructure is a two-phase structure including a martensite-austenite constituent at an area fraction of 2 to 10% and a soft phase, which method comprises: heating at Ac1+10° C. to Ac1+60° C. and thereafter cooling a precursor steel pipe which contains, in mass %, C: 0.04 to 0.10% and Mn: 1.00 to 2.50%, is limited to Si: 0.80% or less, P: 0.03% or less, S: 0.01% or less, Al: 0.10% or less and N: 0.01% or less, further contains one or more of Ni: 1.00% or less, Mo: 0.60% or less, Cr: 1.00% or less and Cu: 1.00% or less, where content of Mn and content of one or more of Cr, Ni, Mo and Cu satisfy Mn+Cr+Ni+2Mo+Cu≧2.00, and a balance of iron and unavoidable impurities.
摘要翻译：本发明提供一种变形特性优异的钢管，特别是可膨胀管油管用钢管和低屈服比管线管，以及不进行需要大型热处理设备的水冷却的制造方法即具有优异的变形特性的钢管的制造方法，其特征在于微结构为包含2〜10％面积分数的马氏体 - 奥氏体组分和软相的两相组织，该方法包括：在Ac1 + 10 ℃至Ac1 + 60℃，然后将质量％C：0.04〜0.10％，Mn：1.00〜2.50％的前体钢管冷却至Si：0.80％以下，P： 0.03％以下，S：0.01％以下，Al：0.10％以下，N：0.01％以下，还含有Ni：1.00％以下，Mo：0.60％以下，Cr：1.00％以下，Cu：1.00％以下，其中，Cr，Ni，Mo，Cu中的一种以上的Mn含量满足Mn + Cr + Ni + 2Mo +Cu≥2.00，和铁和不可避免的杂质的平衡。

5. 发明申请

US20090250146A1 High Strength Thick-Gauge Electric-Resistance Welded Steel Pipe Excellent in Hardenability, Hot Workability and Fatigue Strength and Method of Production of the Same 审中-公开
标题翻译：高强度厚电阻焊接钢管淬火性，热加工性和疲劳强度及其制造方法优异
公开(公告)号：US20090250146A1
公开(公告)日：2009-10-08
申请号：US11990477
申请日：2006-08-17
申请人： Tetsuo Ishitsuka , Hiroyuki Mimura , Motofumi Koyuba , Naoki Takasugi , Takahiro Ichiyama
发明人： Tetsuo Ishitsuka , Hiroyuki Mimura , Motofumi Koyuba , Naoki Takasugi , Takahiro Ichiyama
IPC分类号： C21D8/02 , C22C38/00
CPC分类号： C21D8/10 , B60G21/055 , B60G2206/427 , B60G2206/8201 , C21D6/004 , C21D8/105 , C21D9/08 , C21D9/14 , C21D9/50 , C21D2211/008 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/12 , C22C38/14 , C22C38/22 , C22C38/26 , C22C38/28 , C22C38/32
摘要： The present invention provides high strength thick-gauge electric-resistance welded steel pipe excellent in hardenability, hot workability, and fatigue strength and a method of production of the same, that is, thick-gauge electric-resistance welded steel pipe containing, by mass %, C: 0.25 to 0.4%, Si: 0.01 to 0.50%, Mn: 0.8 to 1.5%, P: 0.05% or less, S: 0.05% or less, Al: 0.05% or less, Ti: 0.005 to 0.05%, B: 0.0005 to 0.01%, N: 0.001 to 0.05%, and a balance of Fe and unavoidable impurities, having a critical cooling rate Vc expressed by equation of less than 30° C./s, and having a ratio of thickness t and outside diameter D, t/D, of over 0.15 to 0.30 in range: log Vc=2.94−0.75β where, β=2.7C+0.4Si+Mn
摘要翻译：本发明提供了淬火性，热加工性和疲劳强度优异的高强度厚规电阻焊钢管及其制造方法，即，含有质量计的厚规电阻焊钢管％，C：0.25〜0.4％，Si：0.01〜0.50％，Mn：0.8〜1.5％，P：0.05％以下，S：0.05％以下，Al：0.05％以下，Ti：0.005〜，B：0.0005〜0.01％，N：0.001〜0.05％，余量为Fe和不可避免的杂质，具有等式<1>的临界冷却速度Vc小于30℃/ s，厚度t和外径D，t / D在范围内超过0.15至0.30：log Vc = 2.94-0.75beta其中，β= 2.7C + 0.4Si + Mn

6. 发明授权

US08920583B2 Steel pipe excellent in deformation characteristics and method of producing the same 有权
标题翻译：变形特性优良的钢管及其制造方法
公开(公告)号：US08920583B2
公开(公告)日：2014-12-30
申请号：US12452765
申请日：2008-07-22
申请人： Hitoshi Asahi , Tetsuo Ishitsuka , Motofumi Koyuba , Toshiyuki Ogata
发明人： Hitoshi Asahi , Tetsuo Ishitsuka , Motofumi Koyuba , Toshiyuki Ogata
IPC分类号： B32B1/08 , C22C38/58 , C22C38/42 , C22C38/54 , C22C38/04 , C21D9/08 , C21D8/10
CPC分类号： C22C38/04 , C21D8/105 , C21D9/08 , Y10T428/12292
摘要： The invention provides a steel pipe excellent in deformation characteristics, most notably a steel pipe for expandable-pipe oil well and a low-yield-ratio line pipe, and a method of producing the same without conducting water cooling requiring large-scale heat treatment equipment, namely a method of producing a steel pipe excellent in deformation characteristics whose microstructure is a two-phase structure including a martensite-austenite constituent at an area fraction of 2 to 10% and a soft phase, which method comprises: heating at Ac1+10° C. to Ac1+60° C. and thereafter cooling a precursor steel pipe which contains, in mass %, C: 0.04 to 0.10% and Mn: 1.00 to 2.50%, is limited to Si: 0.80% or less, P: 0.03% or less, S: 0.01% or less, Al: 0.10% or less and N: 0.01% or less, further contains one or more of Ni: 1.00% or less, Mo: 0.60% or less, Cr: 1.00% or less and Cu: 1.00% or less, where content of Mn and content of one or more of Cr, Ni, Mo and Cu satisfy Mn+Cr+Ni+2Mo+Cu≧2.00, and a balance of iron and unavoidable impurities.
摘要翻译：本发明提供一种变形特性优异的钢管，特别是可膨胀管油管用钢管和低屈服比管线管，以及不进行需要大型热处理设备的水冷却的制造方法即具有优异的变形特性的钢管的制造方法，其特征在于微结构为包含2〜10％面积分数的马氏体 - 奥氏体组分和软相的两相组织，该方法包括：在Ac1 + 10 ℃至Ac1 + 60℃，然后将质量％C：0.04〜0.10％，Mn：1.00〜2.50％的前体钢管冷却至Si：0.80％以下，P： 0.03％以下，S：0.01％以下，Al：0.10％以下，N：0.01％以下，还含有Ni：1.00％以下，Mo：0.60％以下，Cr：1.00％以下，Cu：1.00％以下，其中，Cr，Ni，Mo，Cu中的一种以上的Mn含量满足Mn + Cr + Ni + 2Mo +Cu≥2.00，和铁和不可避免的杂质的平衡。

7. 发明申请

US20090065102A1 High Strength Seamless Steel Pipe for Machine Structure Use Superior in Toughness and Weldability, and Method of Production of The Same 审中-公开
标题翻译：用于机器结构的高强度无缝钢管使用优良的韧性和可焊性，以及其生产方法
公开(公告)号：US20090065102A1
公开(公告)日：2009-03-12
申请号：US12225579
申请日：2007-03-27
申请人： Yasuhiro Shinohara , Tetsuo Ishitsuka , Kazuhiro Inoue , Bunshi Kato , Teruhisa Takamoto , Junichi Okamoto
发明人： Yasuhiro Shinohara , Tetsuo Ishitsuka , Kazuhiro Inoue , Bunshi Kato , Teruhisa Takamoto , Junichi Okamoto
IPC分类号： C21D11/00 , C22C38/04
CPC分类号： C21D9/085 , C21D8/105 , C21D2211/002 , C21D2211/008
摘要： A high strength seamless steel pipe for machine structure use superior in toughness and weldability characterized by containing, by mass %, C: 0.03 to less than 0.1%, Mn: 0.8 to 2.5%, Ti: 0.005 to 0.035%, Nb: 0.003 to 0.04%, and B: 0.0003 to 0.003%, limiting Si: 0.5% or less, Al: 0.05% or less, P: 0.015% or less, S: 0.008% or less, and N: 0.008% or less, further containing one or more of Ni: 0.1 to 1.5%, Cr: 0.1 to 1.5%, Cu: 0.1 to 1.0%, and Mo: 0.05 to 0.5%, and having a balance of Fe and unavoidable impurities, the metallurgical structure being a single phase structure of self-tempered martensite or a mixed phase structure of self-tempered martensite and lower bainite.
摘要翻译：一种机械结构优良的高强度无缝钢管，其韧性和焊接性优异，其特征在于以质量％计含有：C：0.03〜小于0.1％，Mn：0.8〜2.5％，Ti：0.005〜0.035％，Nb：0.003〜 0.04％，B：0.0003〜0.003％，Si：0.5％以下，Al：0.05％以下，P：0.015％以下，S：0.008％以下，N：0.008％以下，进一步含有 Ni：0.1〜1.5％，Cr：0.1〜1.5％，Cu：0.1〜1.0％，Mo：0.05〜0.5％中的一种或多种，余量为Fe和不可避免的杂质，冶金结构为单相自回火马氏体的结构或自回火马氏体和下贝氏体的混合相结构。

8. 发明授权

US6060180A Alloy having high corrosion resistance in environment of high corrosiveness, steel pipe of the same alloy and method of manufacturing the same steel pipe 失效
标题翻译：合金在高腐蚀性环境下具有较高的耐腐蚀性，相同合金的钢管以及同一钢管的制造方法
公开(公告)号：US6060180A
公开(公告)日：2000-05-09
申请号：US973356
申请日：1997-11-02
申请人： Tetsuo Ishitsuka , Koichi Nose
发明人： Tetsuo Ishitsuka , Koichi Nose
IPC分类号： B22F7/08 , B32B1/08 , B32B15/01 , C21D8/10 , C22C30/00 , C22C33/02 , C22C38/00 , C22C38/40 , C22C38/44 , C22C38/48 , B32B15/18 , C21D9/08
CPC分类号： C22C38/44 , B22F7/08 , B32B1/08 , B32B15/011 , C21D8/105 , C22C30/00 , C22C33/0285 , C22C38/001 , C22C38/40 , C21D2251/02 , Y10T428/12965 , Y10T428/12979
摘要： The present invention provides a highly corrosion-resistant alloy used as a boiler tube in equipment the energy source of which is obtained by burning fossil fuel or waste, a steel tube for which the alloy is used, and a process for producing the steel tube. The alloy comprises up to 0.05% of C, 1.0 to 2.6% of Si, 0.02 to 1.0% of Mn, 20.0 to 28.0% of Cr, 18.0 to 30.0% of Ni, up to 4.0% of Mo, up to 0.05% of Al, 0.05 to 0.30% of N and the balance Fe and unavoidable impurities. Furthermore, the present invention also provides a multilayer steel tube having the alloy as a liner material and a standardized boiler tube as a base layer material, and a process for producing the multilayer steel tube.
摘要翻译： PCT No.PCT / JP97 / 01302 Sec。 371日期1997年12月2日第 102（e）1997年12月2日PCT PCT 1997年4月15日PCT公布。 WO97 / 39153 PCT公开号日期：1997年10月23日本发明提供了一种用作锅炉管的高耐腐蚀合金，其设备的能量来源于燃烧化石燃料或废物，使用合金的钢管，以及生产钢管。该合金含有C：0.05％以上，Si：1.0〜2.6％，Mn：0.02〜1.0％，Cr：20.0〜28.0％，Ni：18.0〜30.0％，Mo：4.0％ Al，0.05〜0.30％的N，余量为Fe和不可避免的杂质。此外，本发明还提供一种具有作为衬垫材料的合金和作为基础层材料的标准化锅炉管的多层钢管和用于制造多层钢管的方法。

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