公开(公告)号：US5879132A

公开(公告)日：1999-03-09

申请号：US749323

申请日：1996-11-14

申请人： Kenichi Usami ,  Hiroshi Takayasu ,  Tsutomu Onuma ,  Makoto Kanda ,  Masao Kawakami ,  Fumio Sakamoto ,  Tsugio Fushimi ,  Tsugio Yoshikawa

发明人： Kenichi Usami ,  Hiroshi Takayasu ,  Tsutomu Onuma ,  Makoto Kanda ,  Masao Kawakami ,  Fumio Sakamoto ,  Tsugio Fushimi ,  Tsugio Yoshikawa

IPC分类号： B23K9/04 ,  B23K35/30 ,  B32B15/01 ,  F03B3/12 ,  F04D29/38

CPC分类号： B23P6/007 ,  B23K35/3086 ,  B32B15/011 ,  F03B3/12 ,  F03B3/125 ,  B23K9/04 ,  F05B2280/1071 ,  F05C2201/046 ,  Y02E10/223 ,  Y02P70/525

摘要： An ultra high head pumpturbine power generating plant with a turbine having a runner rotating with water flow supplied through a high head conducting tube. A rotary electric machine rotates with rotation of the runner. The head is in the range of 400-600 m, and the runner is at least 5 meters in diameter. The said runner has characteristics of toughness at room temperature: at least 500 N/mm.sup.2, or tensile strength at room temperature: at least 650 N/mm.sup.2, elongation at least 16%, reduction of area at least 45%, 2 mm U-notch impact value at 0.degree. C. at least 100 J, and fracture toughness at least 6000 N/mm.sup.3/2.

摘要翻译： 一种具有涡轮机的超高压头涡轮机发电厂，其具有通过高压头导管提供的水流而旋转的转轮。 旋转电机随着转轮旋转而旋转。 头部在400-600米的范围内，跑步者直径至少为5米。 所述转轮具有在室温下的韧性特性：至少500N / mm2，或在室温下的拉伸强度：至少650N / mm2，伸长率至少16％，面积减小至少45％，2mm U- 0℃下的缺口冲击值至少为100J，断裂韧度至少为6000N / mm 3/2。

公开(公告)号：US5601411A

公开(公告)日：1997-02-11

申请号：US492449

申请日：1995-06-19

申请人： Kenichi Usami ,  Hiroshi Takayasu ,  Tsutomu Onuma ,  Makoto Kanda ,  Masao Kawakami ,  Fumio Sakamoto ,  Tsugio Fushimi ,  Tsugio Yoshikawa

发明人： Kenichi Usami ,  Hiroshi Takayasu ,  Tsutomu Onuma ,  Makoto Kanda ,  Masao Kawakami ,  Fumio Sakamoto ,  Tsugio Fushimi ,  Tsugio Yoshikawa

IPC分类号： B23K9/04 ,  B23K35/30 ,  B32B15/01 ,  F03B3/12 ,  F01D5/14

CPC分类号： B23P6/007 ,  B23K35/3086 ,  B32B15/011 ,  F03B3/12 ,  F03B3/125 ,  B23K9/04 ,  F05B2280/1071 ,  F05C2201/046 ,  Y02E10/223 ,  Y02P70/525

摘要： High toughness stainless steel type 13Cr5Ni containing C: 0.008-0.03% (by weight, all of the following elements), Si: max. 1%, Mn: max. 2%, Cr: 10.0-14.0%, Ni: 4.0-7.0%, and Mo: 0.2-2.0%, in which (Cr/Ni) ratio is in a range of 2.0-3.0 or (C/Mo) ratio is in a range of 0.015-0.1, as a structural material for fluid machinery, austenitic stainless steel containing C: 0.10-0.30% (by weight, all of the following elements), Si: max. 1%, Mn: max. 2%, Cr: 16.00-23.00%, Ni: 1.00-8.00%, and Co: 2.00-9.00%, and Ni+Co: 6.00-12.00% as a weld padding layer forming material, and fluid machinery using the same.

摘要翻译： 含有C：0.008-0.03％（以重量计，以下所有元素）的高韧性不锈钢型13Cr5Ni，Si： 1％，Mn：max。 2％，Cr：10.0〜14.0％，Ni：4.0〜7.0％，Mo：0.2〜2.0％，（Cr / Ni）比在2.0〜3.0或（C / Mo） 范围为0.015-0.1，作为流体机械的结构材料，奥氏体不锈钢含有C：0.10-0.30％（以重量计，所有以下元素），Si：最大。 1％，Mn：max。 2％，Cr：16.00〜23.00％，Ni：1.00-8.00％，Co：2.00-9.00％，Ni + Co：6.00-12.00％作为焊接填充层形成材料。

公开(公告)号：US5030064A

公开(公告)日：1991-07-09

申请号：US369250

申请日：1989-06-20

申请人： Kenichi Usami ,  Kooji Satoo ,  Hiroshi Takayasu ,  Michihiro Takata

发明人： Kenichi Usami ,  Kooji Satoo ,  Hiroshi Takayasu ,  Michihiro Takata

IPC分类号： F03B3/12 ,  C22C38/00 ,  C22C38/58 ,  F03B3/18 ,  F03B11/00

CPC分类号： F03B3/125 ,  Y02E10/223

摘要： A water turbine used in river water which is comparatively rich in soil and sand particles. In order to improve the resistance to erosion due to cavitation, as well as erosion caused by mechanical action of the soil and sand particles, a water contactable portion of the water turbine, in particular a portion of each moving blade which tends to be eroded is formed of a stainless steel containing 0.07 to 0.2 wt % of C, not more than 2 wt % of Si, 7 to 15 wt % of Mn, 1 to 7 wt % of Ni, 10 to 25 wt % of Cr, 0.1 to 3 wt % of W, and the balance substantially Fe and inevitably accompanying impurities.

摘要翻译： 用于河流水中的水轮机，其比较丰富的土砂粒子。 为了提高由空穴引起的侵蚀抵抗力，以及由于砂土颗粒的机械作用引起的侵蚀，水轮机的水接触部分，特别是趋向于被侵蚀的每个动叶片的一部分是 由不锈钢制成，含有0.07〜0.2重量％的C，不大于2重量％的Si，7〜15重量％的Mn，1〜7重量％的Ni，10〜25重量％的Cr，0.1〜3 W的重量％，余量基本上为Fe，并且不可避免地伴随着杂质。

公开(公告)号：US4505232A

公开(公告)日：1985-03-19

申请号：US593931

申请日：1984-03-27

申请人： Kenichi Usami ,  Seishin Kirihara ,  Hiroyuki Doi ,  Choichi Asano ,  Masayuki Sukekawa ,  Yasuhide Sakaguchi

发明人： Kenichi Usami ,  Seishin Kirihara ,  Hiroyuki Doi ,  Choichi Asano ,  Masayuki Sukekawa ,  Yasuhide Sakaguchi

IPC分类号： B32B15/01 ,  C22C38/00 ,  C22C38/54 ,  F22B37/04 ,  F22B37/06

CPC分类号： B32B15/01 ,  F22B37/04 ,  Y10S122/13 ,  Y10S165/905 ,  Y10T428/12965

摘要： A boiler tube having a double-tube structure constituted by an inner tube and an outer tube integrated with each other. The inner tube is made of an alloy consisting essentially of, by weight, 0.02 to 0.15% of C, 0.5 to 3.5% of Si, not greater than 2% of Mn, 25 to 40% of Ni, 20.5 to 27% of Cr, 0.5 to 3% of Mo, not greater than 1% of Nb and the balance Fe and having a substantially fully austenite structure. The outer tube is made of an alloy consisting essentially of, by weight, 0.02 to 0.2% of C, not greater than 3.5% of Si, not greater than 2% of Mn, 33 to 45% of Ni, 30 to 40% of Cr and the balance Fe and having a substantially fully austenite structure. The inner tube made of the alloy having the composition specified above exhibits a high resistance to steam oxidation without any reduction in high-temperature strength even at elevated steam temperature, while the outer tube made of the alloy having the composition specified above exhibits a superior resistance to corrosion by coal combustion gas.

摘要翻译： 一种具有由内管和彼此一体化的外管构成的双管结构的锅炉管。 内管由以下组成的合金制成，该合金主要由C：0.02〜0.15％，Si：0.5〜3.5％，Mn：2％以下，Ni：25〜40％，Cr：20.5〜27％ ，0.5〜3％的Mo，不大于1％的Nb，余量为Fe，并具有基本上完全奥氏体的结构。 外管由以下组成的合金制成，该合金主要由以下组成：C：0.02〜0.2％，Si：3.5％以下，Mn：2％以下，Ni：33〜45％，Ni：30〜40％ Cr和余量Fe并具有基本上完全奥氏体的结构。 由具有上述组成的合金制成的内管即使在升高的蒸汽温度下也具有高的耐蒸汽氧化性，而不会降低高温强度，而由具有上述组成的合金制成的外管显示出优异的电阻 由煤燃烧气体腐蚀。

公开(公告)号：US4802894A

公开(公告)日：1989-02-07

申请号：US2285

申请日：1987-01-12

申请人： Kenichi Usami ,  Seishin Kirihara ,  Tadaoki Morimoto ,  Hiroyuki Doi ,  Michiya Okada

发明人： Kenichi Usami ,  Seishin Kirihara ,  Tadaoki Morimoto ,  Hiroyuki Doi ,  Michiya Okada

IPC分类号： C22C38/00 ,  C22C38/40 ,  C22C38/50 ,  C10J3/76

CPC分类号： C22C38/40 ,  Y02E20/16 ,  Y10S148/909

摘要： A structural member to be subjected to a hot gas atmosphere produced through reaction between coal and a gasifier such as oxygen, air, steam or hydrogen, in a gasification furnace for example. The structural member is made of an anti-sulfur attack Cr-Ni-Al-Si alloy steel which has a composition essentially consisting of, by weight, 0.03 to 0.3% of C, 1 to 10% of Si, not greater than 2.0% of Mn, 8 to 14% of Ni, 16 to 20% of Cr, 0.5 to 10% of Al and the balance not less than 50% of Fe.

摘要翻译： 在气化炉中，通过煤和气化器如氧气，空气，蒸汽或氢气之间的反应产生的热气体气氛的结构构件。 该结构件由抗硫侵蚀Cr-Ni-Al-Si合金钢制成，该组合物的组成基本上由C的0.03至0.3％，Si的1至10％，不大于2.0％ 的Mn，8〜14％的Ni，16〜20％的Cr，0.5〜10％的Al，余量不低于Fe的50％。

公开(公告)号：US4443406A

公开(公告)日：1984-04-17

申请号：US381797

申请日：1982-05-24

申请人： Masayuki Sukekawa ,  Yoshimitsu Tobita ,  Seishin Kirihara ,  Hisashi Morimoto ,  Kenichi Usami ,  Katsumi Iijima

发明人： Masayuki Sukekawa ,  Yoshimitsu Tobita ,  Seishin Kirihara ,  Hisashi Morimoto ,  Kenichi Usami ,  Katsumi Iijima

IPC分类号： C22C38/00 ,  B23K35/30 ,  C22C30/00 ,  C22C38/44 ,  C22C38/48 ,  C22C38/58

CPC分类号： B23K35/3066 ,  C22C30/00 ,  C22C38/58 ,  Y10T428/12979

摘要： A heat-resistant and corrosion-resistant weld metal alloy consisting essentially of, by weight, less than 0.08% of C, 0.1 to 1.0% of Si, 2 to 3% of Mn, 32 to 42% of Ni, 21 to 25% of Cr, 0.8 to 1.7% of Mo, 0.1 to 1.0% of Nb, up to 0.5% of Ti, up to 2% of Co, up to 2% of Cu, up to 1% of W, up to 0.2% of N, up to 1.0% of V, up to 1.0% of Zr, up to 1.0% of Ta and the balance Fe, wherein the following conditions are met: Ti+Zr.ltoreq.1.0%, Ni+Co.ltoreq.42%, W+V.ltoreq.1.0%, Nb+Ta.ltoreq.1.0%, and 4.ltoreq.Nb/C.ltoreq.15; and an austenitic welded structure composed of an austenitic structural alloy and of a weld metal of the above-mentioned kind are provided by the invention.

摘要翻译： 一种耐热和耐腐蚀的焊接金属合金，主要由以下组成：C：0.08％以下，Si：0.1〜1.0％，Mn：2〜3％，Ni：32〜42％，Ni：21〜25％ 的Cr，0.8〜1.7％的Mo，0.1〜1.0％的Nb，至多0.5％的Ti，至多2％的Co，至多2％的Cu，至多1％的W，至多0.2％的 N，至多1.0％的V，至多1.0％的Zr，至多1.0％的Ta和余量的Fe，其中满足以下条件：Ti + Zr = 1.0％，Ni + Co = 42 ％，W + V <1.0％，Nb + Ta <1.0％，4≤Nb/C≤15; 本发明提供由奥氏体结构合金和上述类型的焊接金属组成的奥氏体焊接结构体。