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1. 发明授权

US06478898B1 Method of producing tool steels 有权
标题翻译：生产工具钢的方法
公开(公告)号：US06478898B1
公开(公告)日：2002-11-12
申请号：US09664766
申请日：2000-09-19
申请人： Tomoaki Sera , Masahide Umino , Yasutaka Okada , Kunio Kondo
发明人： Tomoaki Sera , Masahide Umino , Yasutaka Okada , Kunio Kondo
IPC分类号： C21D1100
CPC分类号： C21D1/25 , C21D6/004 , C22C38/06 , C22C38/44 , C22C38/46
摘要： A method of producing a tool steel comprises quenching a steel containing, by mass percent, C: 0.25 to 0.60%, Si: 0.10 to 1.20%, Mn: 0.20 to 1.50%, Ni: 0.50 to 2.00%, Cr: 1.00 to 4.20%, Mo: 0.30 to 2.00%, V: 0.10 to 1.00% and Al: 0.005 to 0.10%, in order to obtain a hardness H such that the hardness index defined below by the formula (1) becomes between 0.20 to 0.95; and then tempering the steel; K=(H−H2)/(H1−H2) (1) Where H1: Vickers hardness of the steel with 10 mm thickness after heating to a temperature of the Ac3 transformation point plus 50° C., and quenching into water; H2: Vickers hardness of the steel with 10 mm thickness after heating to the same temperature as defined above, and cooling to room temperature over 20 hours.
摘要翻译：制造工具钢的方法包括以质量％计含有C：0.25〜0.60％，Si：0.10〜1.20％，Mn：0.20〜1.50％，Ni：0.50〜2.00％，Cr：1.00〜4.20 ％，Mo：0.30〜2.00％，V：0.10〜1.00％，Al：0.005〜0.10％，以获得如下式（1）所示的硬度指数为0.20〜0.95的硬度H; 然后回火钢;其中H1：加热后的厚度为10mm的钢的维氏硬度到Ac3相变点的温度加上50℃，淬火成水; H2：厚度为10mm的钢的维氏硬度加热到与上述相同的温度，并在20小时内冷却至室温。

2. 发明授权

US5873960A Method and facility for manufacturing seamless steel pipe 失效
标题翻译：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。

3. 发明授权

US6024808A Seamless steel pipe manufacturing method and equipment 失效
标题翻译：无缝钢管制造方法和设备
公开(公告)号：US6024808A
公开(公告)日：2000-02-15
申请号：US973903
申请日：1998-04-01
申请人： Kunio Kondo , Yasutaka Okada , Seiji Tanimoto
发明人： Kunio Kondo , Yasutaka Okada , Seiji Tanimoto
IPC分类号： B21B3/02 , B21B17/02 , B21B17/14 , B21B19/04 , B21B23/00 , C21D8/10 , C21D9/08
CPC分类号： B21B23/00 , C21D8/10 , B21B17/14 , B21B19/04
摘要： A method of manufacturing a seamless steel pipe having excellent properties with high productivity in on-line processing, and an apparatus in which includes casting and heat treatment unit on-line. In the method the following steps (1) to (6) are successively performed. (1) A round billet is produced by continuous casting machine 1. (2) The billet is cooled to a temperature not higher than a Ar.sub.1 point, then heated and soaked in a furnace 3. (3) The billet is pierced by a piercer 5 at a strain rate of not higher than 200/sec and made into a hollow shell. (4) The hollow shell is elongated and finish rolled to make into a seamless steel pipe at an average strain rate of not lower than 0.01/sec and with a reduction ratio of not lower than 40%, and finishing the rolling at a temperature from 800.degree. C. to 1050.degree. C. (5) The seamless steel pipe is cooled to a temperature not higher than the Ar.sub.3 point at a cooling rate of not lower than 80.degree. C./min. (6) The cooled pipe is reheated to a temperature 850-1000.degree. C., held for 10 sec. to 30 min., then quenched and tempered.
摘要翻译： PCT No.PCT / JP97 / 01370 Sec。 371日期：1998年4月1日 102（e）1998年4月1日PCT PCT 1997年4月18日PCT公布。第WO97 / 39843号公报日期1997年10月30日在线处理中具有优异性能，生产率高的无缝钢管的制造方法，以及在线设置铸造和热处理单元的装置。在该方法中，依次执行以下步骤（1）至（6）。（1）通过连续铸造机1制造圆钢坯。（2）将坯料冷却至不高于Ar1点的温度，然后在炉3中加热浸泡。（3）坯料被穿孔机 5，应变速度不高于200 /秒，制成中空壳。（4）中空壳体细长并精轧成平均应变速度不低于0.01 /秒，压缩比不低于40％的无缝钢管，并在 800℃〜1050℃（5）无缝钢管以不低于80℃/ min的冷却速度冷却至不高于Ar 3点的温度。（6）将冷却管再加热至温度850-1000℃，保持10秒。至30分钟，然后淬火和回火。

4. 发明授权

US4710237A Method for thermal treatment of nickel based alloy materials 失效
标题翻译：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。

5. 发明授权

US4652315A Precipitation-hardening nickel-base alloy and method of producing same 失效
标题翻译：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％

6. 发明授权

US5449420A High strength steel member with a low yield ratio 失效
标题翻译：高强度钢构件，屈服比低
公开(公告)号：US5449420A
公开(公告)日：1995-09-12
申请号：US286217
申请日：1994-08-05
申请人： Yasutaka Okada , Yasuhide Fujioka
发明人： Yasutaka Okada , Yasuhide Fujioka
IPC分类号： C21D8/00 , C21D1/18 , C21D1/28 , C21D8/02 , C21D8/10 , C22C38/00 , C22C38/18 , C22C38/54
CPC分类号： C21D8/10 , C21D1/28 , C21D8/0263 , C21D1/18 , C21D2211/002 , C21D2211/008 , C21D8/00 , C21D8/0273 , Y10S148/909
摘要： A high tensile strength, low yield ratio steel member has a steel composition consisting essentially of, by weight:C: 0.15-0.40%, Si: 0.10-0.70%, Mn: 1.0-2.7%,Cr: 1.0-3.5%, sol.Al: 0.01-0.05%,P: not larger than 0.025%, S: not larger than 0.015%,Mo: 0-1.0% Ni: 0-2.5%,V: 0-0.10%, Ti: 0-0.10%, Nb: 0-0.10%,B: 0-0.0050%.Fe and incidental impurities: balance the below-described bainite index (%) of the steel composition being 0-50%, the steel being comprised of a single phase of martensite or a martensite and bainite duplex structure containing 50% or less of bainite.Bainite Index (%)=-209 C+43Si-48Mn-58Cr-0.416R+317wherein R is a cooling rate (.degree.C./min).
摘要翻译：高拉伸强度低屈服比的钢构件具有基本上由以下组成的钢组成：C：0.15-0.40％，Si：0.10-0.70％，Mn：1.0-2.7％，Cr：1.0-3.5％，溶胶 Al：0.01-0.05％，P：不大于0.025％，S：不大于0.015％，Mo：0-1.0％Ni：0-2.5％，V：0-0.10％，Ti：0-0.10％，Nb：0〜0.10％，B：0〜0.0050％。 Fe和偶然杂质：将钢组成的下述贝氏体指数（％）平衡为0-50％，该钢由马氏体的单相或含有50％以下的贝氏体的马氏体和贝氏体双相结构构成。贝氏体指数（％）= - 209 C + 43Si-48Mn-58Cr-0.416R + 317其中R为冷却速度（℃/ min）。

7. 发明授权

US4715909A Nickel-chromium alloy in stress corrosion cracking resistance 失效
标题翻译：镍铬合金的应力腐蚀开裂性
公开(公告)号：US4715909A
公开(公告)日：1987-12-29
申请号：US878398
申请日：1986-06-19
申请人： Takao Minami , Hiroo Nagano , Kazuo Yamanaka , Yasutaka Okada , Hiroshi Susukida , Kichiro Onimura , Toshio Yonezawa , Nobuya Sasaguri
发明人： Takao Minami , Hiroo Nagano , Kazuo Yamanaka , Yasutaka Okada , Hiroshi Susukida , Kichiro Onimura , Toshio Yonezawa , Nobuya Sasaguri
IPC分类号： C22C19/05 , C22F1/10
CPC分类号： C22F1/10 , C22C19/05
摘要： A nickel-chromium alloy excellent in a stress corrosion cracking resistance which is obtained by carrying out an annealing treatment under specific conditions, said alloy having the following composition:______________________________________ in terms of % by weight, ______________________________________ 0.04% or less of C; 1.0% or less of Si; 1.0% or less of Mn; 0.030% or less of P; 0.02% or less of S; 40 to 70% of Ni; 25 to 35% of Cr; 0.1 to 0.5% of Al; 0.05 to 1.0% of Ti; 0.5 to 5.0% in all of one or more of Mo, W and V, and ______________________________________ the residue comprising substantially Fe. A nickel-chromium alloy further including 0.2 to 5.0% of Nb subject to Ti=0.2 to 1.0% and Nb/C=10 to 125.
摘要翻译：通过在特定条件下进行退火处理获得的耐应力腐蚀开裂性优异的镍铬合金，所述合金具有以下组成： - 以重量％计，-0.04％以下的C; 1.0％以下的Si; -1.0％以下的Mn; 0.030％以下的P; -0.02％以下的S; 40〜70％的Ni; -25〜35％的Cr; 0.1〜0.5％的Al; -0.05〜1.0％的Ti; 在Mo，W和V中的一种或多种中的一种或多种中为-0.5至5.0％，以及 - 基本上包含Fe的残余物。进一步含有Ti = 0.2〜1.0％，Nb / C = 10〜125的Nb为0.2〜5.0％的镍铬合金。

8. 发明授权

US4400210A Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking 失效
标题翻译：用于制造高强度深井套管和管道的合金具有改善的抗应力腐蚀开裂性能
公开(公告)号：US4400210A
公开(公告)日：1983-08-23
申请号：US383797
申请日：1982-06-01
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： C22C19/05 , C22C38/44 , E21B17/00
CPC分类号： C22C19/053 , C22C38/44 , E21B17/00
摘要： An alloy useful for manufacturing high strength deep well casing, tubing and drill pipes for use in oil-well operations is disclosed. The alloy exhibits improved resistance to stress corrosion cracking in the H.sub.2 S--CO.sub.2 --Cl.sup.- -environment, which comprises the following alloy composition:______________________________________ C: .ltoreq.0.1% Si: .ltoreq.1.0% Mn: .ltoreq.2.0% P: .ltoreq.0.030% S: .ltoreq.0.005% N: 0-0.30% Ni: 25-60% Cr: 22.5-35% Mo: 0-7.5% (excl.) W: 0-15% (excl.) Cr (%) + 10Mo (%) + 5W (%) .gtoreq. 70% 3.5% .ltoreq. Mo (%) + 1/2W (%)
摘要翻译：公开了一种用于制造用于油井操作的高强度深井套管，管道和钻杆的合金。该合金在H2S-CO2-Cl-环境中表现出改善的耐应力腐蚀开裂性，其包括以下合金组成：-C： 0.1％Si：≤1.0％-Mn：<2.0％ P： / = 70％-3.5％Mo =（％）+ 1 / 2W（％）<7.5％ 2.0％Co：0-2.0％ - 稀土：0-0.10％Y：0-0.20％-Mg：0-0.10％Ca：0-0.10％ - Nb，Ti，Ta，Zr和V中的一种或多种总量为0.5-4.0％，如有必要，Fe和杂质杂质平衡。

9. 发明授权

US4400209A Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking 失效
标题翻译：用于制造高强度深井套管和管道的合金具有改善的抗应力腐蚀开裂性能
公开(公告)号：US4400209A
公开(公告)日：1983-08-23
申请号：US383803
申请日：1982-06-01
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： C22C19/05 , C22C38/44 , E21B17/00
CPC分类号： C22C38/44 , C22C19/052 , E21B17/00
摘要： An alloy useful for manufacturing high strength deep well casing, tubing and drill pipes for use in oil-well operations is disclosed. The alloy exhibits improved resistance to stress corrosion cracking in the H.sub.2 S--CO.sub.2 --Cl.sup.- environment, which comprises the following alloy composition:______________________________________ C: .ltoreq. 0.1% Si: .ltoreq. 1.0% Mn: .ltoreq. 2.0% P: .ltoreq. 0.030% S: .ltoreq. 0.005% N: 0-0.30% Ni: 25-60% Cr: 22.5-40% Mo: 0-3.5% (excl.) W: 0-7% (excl.) Cr (%) + 10Mo (%) + 5W (%) .gtoreq. 50%, 1.0% .ltoreq. Mo (%) + 1/2W (%)
摘要翻译：公开了一种用于制造用于油井操作的高强度深井套管，管道和钻杆的合金。该合金在H2S-CO2-Cl-环境中表现出改善的耐应力腐蚀开裂性，其包括以下合金组成：-C：≤0.1％Si：≤1.0％-Mn：2.0％P ： / = 50％，-1.0％Mo（％）+ 1 / 2W（％）<3.5％ 2.0％Co：0-2.0％ - 稀土：0-0.10％Y：0-0.20％-Mg：0-0.10％Ca：0-0.10％ - 一个或多个Nb，Ti，Ta，Zr和V 总量为0.5-4.0，如有必要，-Fe和杂质：平衡。 -

10. 发明授权

US5981049A Coated tool and method of manufacturing the same 失效
标题翻译：涂层工具及其制造方法
公开(公告)号：US5981049A
公开(公告)日：1999-11-09
申请号：US974522
申请日：1997-11-20
申请人： Hisanori Ohara , Hiroshi Arimoto , Reizo Murakami , Nobuyuki Kitagawa , Kazuo Noguchi , Yasutaka Okada
发明人： Hisanori Ohara , Hiroshi Arimoto , Reizo Murakami , Nobuyuki Kitagawa , Kazuo Noguchi , Yasutaka Okada
IPC分类号： C23C14/06 , C23C14/58 , C23C30/00 , B32B7/02
CPC分类号： C23C14/5853 , C23C14/0641 , C23C14/0664 , C23C30/005 , Y10T428/24942 , Y10T428/24975 , Y10T428/265 , Y10T428/31678
摘要： A coated tool includes a base material and a wear-resistant coating film formed on the base material. The composition of the wear-resistant coating film is expressed as (Ti.sub.x,Al.sub.y,V.sub.z)(C.sub.u,N.sub.v,O.sub.w). Relations x+y+z=1, u+v+w=1, 0.2
摘要翻译：涂覆工具包括基材和形成在基材上的耐磨涂膜。耐磨涂膜的组成表示为（Tix，Aly，Vz）（Cu，Nv，Ow）。关系x + y + z = 1，u + v + w = 1，0.2

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