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21 条记录 (耗时 0.024 秒)

    Precipitation-hardening-type ni-base alloy exhibiting improved corrosion resistance
    1.
    发明授权
    Precipitation-hardening-type ni-base alloy exhibiting improved corrosion resistance 失效
    显示改善的耐腐蚀性的沉淀硬化型镍基合金

    公开(公告)号：US5000914A

    公开(公告)日：1991-03-19

    申请号：US123878

    申请日：1987-11-23

    申请人： Masaaki Igarashi ,  Shiro Mukai ,  Yasutaka Okada ,  Akio Ikeda

    发明人： Masaaki Igarashi ,  Shiro Mukai ,  Yasutaka Okada ,  Akio Ikeda

    IPC分类号： C22C19/05

    CPC分类号： C22C19/055 ,  C22C19/056

    摘要： A precipitation-hardening-type Ni-base alloy exhibiting improved resistance to stress corrosion cracking in a sour gas atmosphere containing elemental sulfur at high temperatures is disclosed. The alloy comprises essentially, by weight %;______________________________________Cr: 12-25%, Mo: 5.5-15%,Nb: 4.0-6.0%, Fe: 5.0-25%,Ni: 45-60%, C: 0.050% or less,Si: 0.50% or less, Mn: 1.0% or less,P: 0.025% or less, S: 0.0050% or less,N: 0.050% or less,Ti: 0-1.0%, Al: 0-2.0%.______________________________________

    摘要翻译： 公开了一种在高温下含有元素硫的酸性气体环境中耐应力腐蚀开裂性能优异的析出硬化型Ni基合金。 合金基本上由重量百分数％组成; -Cr：12-25％，Mo：5.5-15％，-Nb：4.0-6.0％，Fe：5.0-25％，-Ni：45-60％，C：0.050％以下，-Si：0.50％ 以下，Mn：1.0％以下，-P：0.025％以下，S：0.0050％以下，-N：0.050％以下，-Ti：0〜1.0％，Al：0〜2.0％。 -

    Precipitation-hardening-type Ni-base alloy exhibiting improved corrosion resistance
    2.
    发明授权
    Precipitation-hardening-type Ni-base alloy exhibiting improved corrosion resistance 失效
    具有改善耐腐蚀性的沉淀硬化型Ni基合金

    公开(公告)号：US5217684A

    公开(公告)日：1993-06-08

    申请号：US619980

    申请日：1990-11-30

    申请人： Masaaki Igarashi ,  Shiro Mukai ,  Yasutaka Okada ,  Akio Ikeda

    发明人： Masaaki Igarashi ,  Shiro Mukai ,  Yasutaka Okada ,  Akio Ikeda

    IPC分类号： C22C19/05

    CPC分类号： C22C19/056 ,  C22C19/055

    摘要： A precipitation-hardening-type Ni-base alloy exhibiting improved resistance to stress corrosion cracking in a sour gas atmosphere containing elemental sulfur at high temperatures is disclosed. The alloy consists essentially of, by weight %;______________________________________ Cr: 12-25%, Mo: over 9.0 and up to 15%, Nb: 4.0-6.0%, Fe: 5.0-25%, Ni: 45-60%, C: 0.050% or less, Si: 0.50% or less, Mn: 1.0% or less, P: 0.025% or less, S: 0.0050% or less, N: 0.050% or less, Ti: 0.46-1.0%, Al: 0-2.0%. ______________________________________

    摘要翻译： 公开了一种在高温下含有元素硫的酸性气体环境中耐应力腐蚀开裂性能优异的析出硬化型Ni基合金。 合金基本上由重量％组成; -Cr：12-25％，Mo：9.0以上15％以下，-Nb：4.0-6.0％，Fe：5.0〜25％，-N：45-60％，C：0.050％以下，-Si ：0.50％以下，Mn：1.0％以下，-P：0.025％以下，S：0.0050％以下，-N：0.050％以下，-Ti：0.46〜1.0％，Al：0〜2.0％ 。 -

    Precipitation-hardening nickel-base alloy and method of producing same
    3.
    发明授权
    Precipitation-hardening nickel-base alloy and method of producing same 失效
    沉淀硬化镍基合金及其制造方法

    公开(公告)号：US4652315A

    公开(公告)日：1987-03-24

    申请号：US622288

    申请日：1984-06-19

    申请人： Masaaki Igarashi ,  Yasutaka Okada ,  Kunihiko Yoshikawa ,  Takeo Kudo

    发明人： Masaaki Igarashi ,  Yasutaka Okada ,  Kunihiko Yoshikawa ,  Takeo Kudo

    IPC分类号： C22C19/05 ,  C22C30/00 ,  C22F1/10

    CPC分类号： C22C30/00 ,  C22C19/055

    摘要： A precipitation-hardening Ni-base alloy exhibiting improved resistance to corrosion under a corrosive environment containing at least one of hydrogen sulfide, carbon dioxide and chloride ions and method of producing the same are disclosed. The alloy is of the .gamma."-phase, or (.gamma.'+.gamma.")-phase precipitation hardening type in which Ti is restricted to less than 0.40% and is comprised of:C: not greater than 0.050%,Si: not greater than 0.50%,Mn: not greater than 2.0%,Ni: 40-60%,Cr: 18-27%,Ti: less than 0.40%,Mo: 2.5-5.5% and/or W: not greater than 11%, t 2.5%.ltoreq.Mo+1/2W.ltoreq.5.5%,Al: not greater than than 2.0%,Nb: 2.5-6.0% and/or Ta: not greater than 2.0%, 2.5%.ltoreq.Nb+1/2Ta.ltoreq.6.0%.

    摘要翻译： 公开了一种在包含硫化氢，二氧化碳和氯化物离子中的至少一种的腐蚀环境下具有改善的耐腐蚀性的沉淀硬化Ni基合金及其制造方法。 该合金是γ“相，或（γ'+γ”）相沉淀硬化型，其中Ti限制在小于0.40％，由以下组成：C：不大于0.050％，Si： 不大于0.50％，Mn：不大于2.0％，Ni：40-60％，Cr：18-27％，Ti：小于0.40％，Mo：2.5-5.5％和/或W：不大于11 ％，t 2.5％

    Process for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking
    6.
    发明授权
    Process for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking 失效
    制造具有改进的抗应力腐蚀开裂性能的高强度深井套管和管道的方法

    公开(公告)号：US4421571A

    公开(公告)日：1983-12-20

    申请号：US389568

    申请日：1982-06-17

    申请人： Takeo Kudo ,  Yasutaka Okada ,  Taishi Moroishi ,  Akio Ikeda ,  Hiroo Ohtani ,  Kunihiko Yoshikawa

    发明人： Takeo Kudo ,  Yasutaka Okada ,  Taishi Moroishi ,  Akio Ikeda ,  Hiroo Ohtani ,  Kunihiko Yoshikawa

    IPC分类号： C21D8/10 ,  C22C19/05 ,  C22C38/44

    CPC分类号： C21D8/105 ,  C22C19/05 ,  C22C38/44

    摘要： A process for manufacturing high strength deep well casing, tubing, and drill pipes, which have improved resistance to stress corrosion cracking is disclosed. The process comprises the steps of preparing an alloy composition which is:______________________________________ C .ltoreq.0.05% Si .ltoreq.1.0% Mn .ltoreq.2.0% P .ltoreq.0.030% S .ltoreq.0.005% N 0-0.30% Ni 25-60% Cr 15-35% Mo 0-12% W 0-24% Cr (%) + 10Mo (%) + 5W (%) .gtoreq. 50% 1.5% .ltoreq. Mo (%) + 1/2W (%) .ltoreq. 12% Cu 0-2.0% Co 0-2.0% Rare Earths 0-0.10% Y 0-0.20% Mg 0-0.10% Ti 0-0.5% Ca 0-0.10% and incidental impurities balance; ______________________________________ applying, after hot working, the solid solution treatment to the alloy at a temperature of from the lower limit temperature (.degree.C.) defined by the following empirical formula: 260 log C(%)+1300 to the upper limit temperature (.degree.C. ) defined by the following empirical formula: 16Mo(%)+10W(%)+10Cr(%)+777 for a period of time of not longer than 2 hours; and applying cold working to the resulting alloy with a reduction in thickness of 10-60%. The hot working may be carried out with a reduction in thickness of 10% or more for the temperature range of not higher than the recrystallizing temperature thereof.

    摘要翻译： 公开了一种制造具有改进的耐应力腐蚀开裂性能的高强度深井套管，管道和钻杆的方法。 该方法包括以下步骤：制备合金组合物，其为：-C 15％Si = 1.0％-Mn 2.0％P / = 50％-1.5％

    Method and facility for manufacturing seamless steel pipe
    9.
    发明授权
    Method and facility for manufacturing seamless steel pipe 失效
    无缝钢管制造方法及设备

    公开(公告)号：US5873960A

    公开(公告)日：1999-02-23

    申请号：US809641

    申请日：1997-03-26

    申请人： Kunio Kondo ,  Yasutaka Okada ,  Seiji Tanimoto

    发明人： Kunio Kondo ,  Yasutaka Okada ,  Seiji Tanimoto

    IPC分类号： B21B1/46 ,  B21B23/00 ,  C21D8/10 ,  C21D8/06

    CPC分类号： B21B23/00 ,  C21D8/10 ,  B21B1/466

    摘要： The manufacturing method of the present invention comprises steps (1) through (8) which are sequentially arranged, and the steps or equipment from the production of billets to end products are connected in the same single continuous manufacturing line:(1) a step of producing a round billet by continuous casting,(2) a step of cooling the billet to a temperature not higher than an A.sub.r1 transformation temperature,(3) a step of heating the billet to a temperature which allows piercing of the billet,(4) a step of piercing, at a strain rate of not higher than 200/sec, the billet to obtain a hollow shell,(5) a step to form a steel pipe by elongating and finish rolling the hollow shell using a continuous elongating mill and a finish rolling mill which are directly connected to each other, at a predetermined average strain rate, a predetermined reduction ratio, and at a predetermined finishing temperature,(6) a step of recrystallizing the steel pipe at a temperature of not lower than an Ar.sub.r3 transformation temperature,(7) a step of quenching the steel pipe from a temperature not lower than an A.sub.r3 transformation temperature, and(8) a step of tempering the steel pipe.

    摘要翻译： 本发明的制造方法包括依次布置的步骤（1）至（8），并且从生产坯料到终端产品的步骤或设备连接在相同的单个连续生产线中：（1）步骤 （2）将坯料冷却至不高于Ar1相变温度的步骤，（3）将坯料加热至允许穿孔的温度的步骤，（4） 以不高于200 /秒的应变速率穿过坯料以获得中空壳的步骤，（5）通过使用连续延伸研磨机对中空壳进行伸长和精轧而形成钢管的步骤，以及 以预定的平均应变率，规定的压下率，规定的终轧温度直接连接的精轧机（6）在不低于Ar的温度下对钢管进行再结晶的工序 r3转变温度，（7）从不低于Ar3相变温度的温度淬火钢管的工序，（8）回火钢管的工序。

    Method for thermal treatment of nickel based alloy materials
    10.
    发明授权
    Method for thermal treatment of nickel based alloy materials 失效
    镍基合金材料热处理方法

    公开(公告)号：US4710237A

    公开(公告)日：1987-12-01

    申请号：US815774

    申请日：1986-01-02

    申请人： Toshio Yonezawa ,  Nobuya Sasaguri ,  Kichiro Onimura ,  Hiroshi Susukida ,  Katsuji Kawaguchi ,  Hiroo Nagano ,  Takao Minami ,  Kazuo Yamanaka ,  Yasutaka Okada ,  Mamoru Inoue

    发明人： Toshio Yonezawa ,  Nobuya Sasaguri ,  Kichiro Onimura ,  Hiroshi Susukida ,  Katsuji Kawaguchi ,  Hiroo Nagano ,  Takao Minami ,  Kazuo Yamanaka ,  Yasutaka Okada ,  Mamoru Inoue

    IPC分类号： C22C19/05 ,  C22F1/00 ,  C22F1/10

    CPC分类号： C22C19/05 ,  C22F1/10

    摘要： A method for a thermal treatment of a nickel based alloy, characterized in that said nickel based alloy for a material which will be subjected to a high-temperature and high-pressure water or vapor comprises, in terms of % by weight, 58% or more of Ni, 25 to 35% of Cr, 0.003% or less of B, 0.012 to 0.035% of C, 1% or less of Mn, 0.5% or less of Si, 0.015% or less of P, 0.015% or less of S, and the residue of Fe and usual impurities; in a first thermal treatment process, said nickel based alloy is heated and retained at a temperature of T.degree. C. to (T+100).degree.C. and is cooled at a cooling rate of a furnace cooling rate or more; and in a second thermal treatment process, said nickel based alloy is then retained at a temperature of 600.degree. to 750.degree. C. and at a temperature within a sensitization recovery range for a period of 0.1 to 100 hours and is cooled at a cooling rate of said furnace cooling rate or more.

    摘要翻译： 一种镍基合金的热处理方法，其特征在于，用于经受高温高压水或蒸汽的材料的所述镍基合金以重量％计含有58％或 较多的Ni，25〜35％的Cr，0.003％以下的B，0.012〜0.035％的C，1％以下的Mn，0.5％以下的Si，0.015％以下的P，0.015％以下 的S，以及Fe和常规杂质的残留物; 在第一热处理工艺中，将所述镍基合金在T℃至（T + 100）℃的温度下加热并保持，并以炉冷却速率或更高的冷却速率冷却; 然后在第二热处理工艺中，然后将所述镍基合金保持在600至750℃的温度和在致敏恢复范围内的温度下进行0.1至100小时的时间，并以冷却速率 所述炉冷却速度或更高。