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1. 发明授权

US08071020B2 High strength Cr-Ni alloy material and seamless pipe for oil well 有权
标题翻译：高强度Cr-Ni合金材料和油井无缝管
公开(公告)号：US08071020B2
公开(公告)日：2011-12-06
申请号：US12485270
申请日：2009-06-16
申请人： Yohei Otome , Masaaki Igarashi , Hisashi Amaya , Hirokazu Okada
发明人： Yohei Otome , Masaaki Igarashi , Hisashi Amaya , Hirokazu Okada
IPC分类号： C22C28/00 , C22C38/42 , C22C38/44
CPC分类号： C22C38/02 , C22C38/001 , C22C38/005 , C22C38/04 , C22C38/06 , C22C38/42 , C22C38/44 , Y10S148/909
摘要： A high strength Cr—Ni alloy material excellent in hot workability and stress corrosion cracking resistance, and seamless pipe for oil well application which consists of, by mass percent, C: 0.05% or less, Si: 0.05 to 1.0%, Mn: 0.01% or more and less than 3.0%, P: 0.05% or less, S: 0.005% or less, Cu: 0.01 to 4%, Ni: 25% or more and less than 35%, Cr: 20 to 30%, Mo: 0.01% or more and less than 4.0%, N: 0.10 to 0.30%, Al: 0.03 to 0.30%, O (oxygen): 0.01% or less, and REM (rare earth metal): 0.01 to 0.20% with the balance being Fe and impurities, and also satisfies the conditions in the following formula (1). N×P/REM≦0.40 formula (1) where P, N, and REM in the formula (1) respectively denote the contents (mass %) of P, N, and REM. The high strength Cr—Ni alloy material may further contain one or more types of W, Ti, Nb, Zr, V, Ca, and Mg, instead of part of Fe.
摘要翻译： C：0.05％以下，Si：0.05〜1.0％，Mn：0.01％以下的质量％以上的油井用无缝管，耐热加工性和耐应力腐蚀开裂性优异的高强度Cr-Ni合金材料％以上且小于3.0％，P：0.05％以下，S：0.005％以下，Cu：0.01〜4％，Ni：25％以上且小于35％，Cr：20〜30％，Mo ：0.01％以上且小于4.0％，N：0.10〜0.30％，Al：0.03〜0.30％，O（氧）：0.01％以下，REM（稀土金属）：0.01〜0.20％为Fe和杂质，也满足下式（1）的条件。式（1）中的P，N，REM分别表示P，N，REM的含量（质量％），N×P / REM＆nlE 0.40。高强度Cr-Ni合金材料可以进一步含有一种或多种W，Ti，Nb，Zr，V，Ca和Mg而不是Fe的一部分。

2. 发明申请

US20090291017A1 HIGH STRENGTH Cr-Ni ALLOY MATERIAL AND SEAMLESS PIPE FOR OIL WELL 有权
标题翻译：高强度Cr-Ni合金材料和无缝管油
公开(公告)号：US20090291017A1
公开(公告)日：2009-11-26
申请号：US12485270
申请日：2009-06-16
申请人： Yohei Otome , Masaaki Igarashi , Hisashi Amaya , Hirokazu Okada
发明人： Yohei Otome , Masaaki Igarashi , Hisashi Amaya , Hirokazu Okada
IPC分类号： C22C30/02
CPC分类号： C22C38/02 , C22C38/001 , C22C38/005 , C22C38/04 , C22C38/06 , C22C38/42 , C22C38/44 , Y10S148/909
摘要： [Object] To provide a high strength Cr—Ni alloy material excellent in hot workability and stress corrosion cracking resistance, and seamless pipe for oil well.[Solution] A high strength Cr—Ni alloy material which consists of, by mass percent, C: 0.05% or less, Si: 0.05 to 1.0%, Mn: 0.01% or more and less than 3.0%, P: 0.05% or less, S: 0.005% or less, Cu: 0.01 to 4%, Ni: 25% or more and less than 35%, Cr: 20 to 30%, Mo: 0.01% or more and less than 4.0%, N: 0.10 to 0.30%, Al: 0.03 to 0.30%, O (oxygen): 0.01% or less, and REM (rare earth metal): 0.01 to 0.20%, with the balance being Fe and impurities, and also satisfies the conditions in the following formula (1). N×P/REM≦0.40 formula (1) where P, N, and REM in the formula (1) respectively denote the contents (mass %) of P, N, and REM. The high strength Cr—Ni alloy material may further contain one or more types of W, Ti, Nb, Zr, V, Ca, and Mg, instead of part of Fe.
摘要翻译：本发明提供热加工性和耐应力腐蚀开裂性优异的高强度Cr-Ni合金材料，以及油井无缝管。 [方案]一种高强度Cr-Ni合金材料，以质量％计含有C：0.05％以下，Si：0.05〜1.0％，Mn：0.01％以上且小于3.0％，P：0.05％以上较少，S：0.005％以下，Cu：0.01〜4％，Ni：25％以上且小于35％，Cr：20〜30％，Mo：0.01％以上且4.0％以下N：0.10 至0.30％，Al：0.03〜0.30％，O（氧）0.01％以下，REM（稀土金属）：0.01〜0.20％，余量为Fe和杂质，也满足以下条件公式1）。 NxP / REM其中，式（1）中的P，N和REM分别表示P，N和REM的含量（质量％）。高强度Cr-Ni合金材料可以进一步含有一种或多种W，Ti，Nb，Zr，V，Ca和Mg而不是Fe的一部分。

3. 发明申请

US20120031534A1 METHOD FOR PRODUCING HIGH-STRENGTH Cr-Ni ALLOY SEAMLESS PIPE 审中-公开
标题翻译：生产高强度Cr-Ni合金无缝管的方法
公开(公告)号：US20120031534A1
公开(公告)日：2012-02-09
申请号：US13245110
申请日：2011-09-26
申请人： Yohei OTOME , Masaaki Igarashi , Hirokazu Okada , Kunio Kondo , Masayuki Sagara , Kazuhiro Shimoda
发明人： Yohei OTOME , Masaaki Igarashi , Hirokazu Okada , Kunio Kondo , Masayuki Sagara , Kazuhiro Shimoda
IPC分类号： C21D9/08 , C21D6/00
CPC分类号： C21D8/10 , C21D6/004 , C22C1/002
摘要： A method for producing a high-strength Cr—Ni alloy seamless pipe comprising preparing an alloy billet with a chemical composition consisting, by mass %, of C: 0.05% or less, Si: 1.0% or less, Mn: less than 3.0%, P: 0.005% or less, S: 0.005% or less, Cu: 0.01 to 4.0%, Ni: 25% or more and less than 35%, Cr: 20 to 30%, Mo: 0.01% or more and less than 4.0%, N: 0.10 to 0.30%, Al: 0.03 to 0.30%, O (oxygen): 0.01% or less, REM (rare earth metal): 0.01 to 0.20%, and the balance being Fe and impurities, and satisfying the formula N×P/REM≦0.10, wherein P, N and REM represent the contents (mass %) of P, N and REM, respectively. The pipe is hot worked using cross roll piercing, solution heat treated, and cold worked. The pipe is excellent in hot workability, stress corrosion cracking and does not laminate during cross piercing.
摘要翻译：一种高强度Cr-Ni合金无缝管的制造方法，其特征在于，以质量％计含有C：0.05％以下，Si：1.0％以下，Mn：小于3.0％的化合物组成的合金坯，，P：0.005％以下，S：0.005％以下，Cu：0.01〜4.0％，Ni：25％以上且不足35％，Cr：20〜30％，Mo：0.01％以上且小于 4.0％，N：0.10〜0.30％，Al：0.03〜0.30％，O（氧）：0.01％以下，REM（稀土金属）：0.01〜0.20％，余量为Fe和杂质，满足式N×P / REM＆nlE; 0.10，其中P，N和REM分别表示P，N和REM的含量（质量％）。管道采用横轧穿孔，溶液热处理和冷加工进行热加工。该管材具有优异的热加工性，应力腐蚀开裂性，并且在交叉穿孔期间不层压。

4. 发明申请

US20100170320A1 METHOD FOR MANUFACTURING A HIGH ALLOY PIPE 有权
标题翻译：制造高合金管的方法
公开(公告)号：US20100170320A1
公开(公告)日：2010-07-08
申请号：US12650585
申请日：2009-12-31
申请人： Masayuki Sagara , Hitoshi Suwabe , Hisashi Amaya , Shigemitsu Kimura , Masaaki Igarashi
发明人： Masayuki Sagara , Hitoshi Suwabe , Hisashi Amaya , Shigemitsu Kimura , Masaaki Igarashi
IPC分类号： B21C37/06
CPC分类号： C22C38/02 , C21D6/004 , C21D8/10 , C21D8/105 , C21D9/14 , C22C38/04 , C22C38/42 , C22C38/44
摘要： A method for manufacturing a high alloy pipe comprises hot working, a high alloy material pipe having controlled amounts of C, Si, Mn, P, S, Ni, Cr, Mo, Cu, Al, N, O, and optionally Ca, Mg, and rare earth elements, with the balance Fe. The pipe composition satisfies the formula N×O≦0.001. The pipe is subjected to cold working to form the high alloy pipe, wherein the final cold working process is performed under the condition that a working ratio Rd in the reduction of area satisfies 15≦Rd(%)≦370×(C+N), where N, O and C are the contents (by mass percent) of the respective elements, and Rd is the working ratio (%) in the reduction of area. The pipe has an excellent ductility and an excellent corrosion resistance when cold working is performed to obtain a high strength after pipe-making.
摘要翻译：一种制造高合金管的方法包括热加工，具有受控量的C，Si，Mn，P，S，Ni，Cr，Mo，Cu，Al，N，O以及任选的Ca，Mg的高合金材料管，稀土元素，余量为Fe。管道组成满足公式N×O＆nlE; 0.001。管道进行冷加工以形成高合金管，其中在减少面积的加工率Rd满足15＆lt; nlE的条件下进行最终冷加工工艺; Rd（％）＆nlE; 370×（C + N ），其中N，O和C是各元素的含量（按质量百分比），Rd是面积减少的加工率（％）。在进行冷加工以获得制管后的高强度时，该管具有优良的延展性和优异的耐腐蚀性。

5. 发明授权

US08701455B2 Method for manufacturing a high alloy pipe 有权
标题翻译：高合金管制造方法
公开(公告)号：US08701455B2
公开(公告)日：2014-04-22
申请号：US12650585
申请日：2009-12-31
申请人： Masayuki Sagara , Hitoshi Suwabe , Hisashi Amaya , Shigemitsu Kimura , Masaaki Igarashi
发明人： Masayuki Sagara , Hitoshi Suwabe , Hisashi Amaya , Shigemitsu Kimura , Masaaki Igarashi
IPC分类号： B21B19/04
CPC分类号： C22C38/02 , C21D6/004 , C21D8/10 , C21D8/105 , C21D9/14 , C22C38/04 , C22C38/42 , C22C38/44
摘要： A method for manufacturing a high alloy pipe comprises hot working, a high alloy material pipe having controlled amounts of C, Si, Mn, P, S, Ni, Cr, Mo, Cu, Al, N, O, and optionally Ca, Mg, and rare earth elements, with the balance Fe. The pipe composition satisfies the formula N×O≦0.001. The pipe is subjected to cold working to form the high alloy pipe, wherein the final cold working process is performed under the condition that a working ratio Rd in the reduction of area satisfies 15≦Rd (%)≦370×(C+N), where N, O and C are the contents (by mass percent) of the respective elements, and Rd is the working ratio (%) in the reduction of area. The pipe has an excellent ductility and an excellent corrosion resistance when cold working is performed to obtain a high strength after pipe-making.
摘要翻译：一种制造高合金管的方法包括热加工，具有受控量的C，Si，Mn，P，S，Ni，Cr，Mo，Cu，Al，N，O以及任选的Ca，Mg的高合金材料管，稀土元素，余量为Fe。管道组成满足公式N×O＆nlE; 0.001。管道进行冷加工以形成高合金管，其中在减少面积的加工率Rd满足15＆lt; nlE的条件下进行最终冷加工工艺; Rd（％）＆nlE; 370×（C + N ），其中N，O和C是各元素的含量（按质量百分比），Rd是面积减少的加工率（％）。在进行冷加工以获得制管后的高强度时，该管具有优良的延展性和优异的耐腐蚀性。

6. 发明申请

US20070181225A1 Ni base alloy pipe stock and method for manufacturing the same 审中-公开
标题翻译：镍基合金管材及其制造方法
公开(公告)号：US20070181225A1
公开(公告)日：2007-08-09
申请号：US11643824
申请日：2006-12-22
申请人： Masaaki Igarashi , Kazuhiro Shimoda , Tomio Yamakawa , Hisashi Amaya
发明人： Masaaki Igarashi , Kazuhiro Shimoda , Tomio Yamakawa , Hisashi Amaya
IPC分类号： C22C19/05
CPC分类号： B21B19/04 , B21B23/00 , C22C19/053 , C22C19/055 , C22C19/056 , C22F1/10
摘要： A Ni base alloy pipe stock having a chemical composition comprising, by mass %, C≦0.04%, Si≦0.50%, Mn: 0.01 to 6.0%, P≦0.03%, S≦0.01%, Cr: 15 to 30%, Ni: more than 45% to not more than 60%, Mo: 0 to 18%, W: 0 to 36%, with Mo(%)+0.5W(%): more than 1.5% to not more than 18%, Cu: 0.01 to 1.5%, Al≦0.01% and N: 0.0005 to 0.20%, and the balance substantially being Fe, with 1380−5000P−100S−4400C≧1300, Ni+10(Mo+0.5W)+100N≦200, (Ni−50)+10(N−0.1)−2(Cr−25)−5(Mo+0.5W−6)+12≧0, can be manufactured into a seamless pipe by use of a Mannesmann piercing and rolling mill because of its excellent inner surface properties. The resulting seamless pipe has excellent mechanical properties and moreover has excellent corrosion resistance in a sour gas environment, and thus, the Ni base alloy pipe stock can be used as a pipe stock for oil country tubular goods and line pipes and further as a pipe stock for various structural members of nuclear power plants and chemical industrial plants.
摘要翻译： 1.一种Ni基合金管材，其特征在于，以质量％计含有C <= 0.04％，Si <0.50％，Mn：0.01〜6.0％，P <0.03％，S <0.01％，Cr：15 至30％，Ni：大于45％至不超过60％，Mo：0至18％，W：0至36％，Mo（％）+ 0.5W（％）：大于1.5％至不超过超过18％，Cu：0.01〜1.5％，Al≤0.01％，N：0.0005〜0.20％，余量基本上为Fe，1380-5000P-100S-4400C> = 1300，Ni + 10（Mo + 0.5 W）+ 100N <= 200，（Ni-50）+10（N-0.1）-2（Cr-25）-5（Mo + 0.5W-6）+12> = 0可制成无缝管通过使用Mannesmann穿孔轧机，因为它具有优异的内表面性能。所得到的无缝管具有优异的机械性能，并且在酸性气体环境中具有优异的耐腐蚀性，因此，Ni基合金管材可用作油井管状物料和管线管的管材，还可用作管材为核电厂和化工厂的各种结构成员。

7. 发明授权

US08784581B2 Fe-Ni alloy pipe stock and method for manufacturing the same 有权
标题翻译：铁镍合金管材及其制造方法
公开(公告)号：US08784581B2
公开(公告)日：2014-07-22
申请号：US11643823
申请日：2006-12-22
申请人： Masaaki Igarashi , Kazuhiro Shimoda , Tomio Yamakawa , Hisashi Amaya
发明人： Masaaki Igarashi , Kazuhiro Shimoda , Tomio Yamakawa , Hisashi Amaya
IPC分类号： C21D8/10 , C22C38/00 , C22C38/04
CPC分类号： C22F1/10 , B21B23/00 , C21D8/10 , C22C19/055 , C22C38/02 , C22C38/04 , C22C38/42 , C22C38/44
摘要： An Fe—Ni alloy pipe stock containing, by mass %, C≦0.04%, Si≦0.50%, Mn: 0.01 to 6.0%, P≦0.03%, S≦0.01%, Cr: 20 to 30%, Ni: 30 to 45%, Mo: 0 to 10%, W: 0 to 20%, with Mo(%)+0.5W(%): more than 1.5% to not more than 10%, Cu: 0.01 to 1.5%, Al≦0.01% and N: 0.0005 to 0.20%, and the balance being Fe, with 1440−6000P−100S−2000C≧1300, Ni+10(Mo+0.5W)+100N≦120, (Ni−35)+10(N−0.1)−2(Cr−25)−5(Mo+0.5W−3)+8≧0, can be manufactured into a seamless pipe by use of a Mannesmann piercing and rolling mill because of its excellent inner surface properties. The resulting seamless pipe has excellent mechanical properties and moreover has excellent corrosion resistance in a sour gas environment.
摘要翻译：一种Fe-Ni合金管材，以质量％计含有C％，0.04％，Si＆NlE; 0.50％，Mn：0.01〜6.0％，P＆lt; L; 0.03％，S＆NlE; 0.01％，Cr：20〜30％，Ni：30 〜45％，Mo：0〜10％，W：0〜20％，Mo（％）+ 0.5W（％）：大于1.5％以上10％以下，Cu：0.01〜1.5％ 0.01％，N：0.0005〜0.20％，余量为Fe，1440-6000P-100S-2000C≥300，Ni + 10（Mo + 0.5W）+ 100N＆NlE; 120，（Ni-35）+10 -0.1）-2（Cr-25）-5（Mo + 0.5W-3）+8≥0可由Mannesmann穿孔轧机制成无缝管，因为其内表面性能优异。所得到的无缝管具有优异的机械性能，并且在酸性气体环境中具有优异的耐腐蚀性。

8. 发明申请

US20070175547A1 Fe-Ni alloy pipe stock and method for manufacturing the same 有权
标题翻译：铁镍合金管材及其制造方法
公开(公告)号：US20070175547A1
公开(公告)日：2007-08-02
申请号：US11643823
申请日：2006-12-22
申请人： Masaaki Igarashi , Kazuhiro Shimoda , Tomio Yamakawa , Hisashi Amaya
发明人： Masaaki Igarashi , Kazuhiro Shimoda , Tomio Yamakawa , Hisashi Amaya
IPC分类号： C22C30/00
CPC分类号： C22F1/10 , B21B23/00 , C21D8/10 , C22C19/055 , C22C38/02 , C22C38/04 , C22C38/42 , C22C38/44
摘要： An Fe—Ni alloy pipe stock having a chemical composition comprising, by mass %, C≦0.04%, Si≦0.50%, Mn: 0.01 to 6.0%, P≦0.03%, S≦0.01%, Cr: 20 to 30%, Ni: 30 to 45%, Mo: 0 to 10%, W: 0 to 20%, with Mo(%)+0.5W(%): more than 1.5% to not more than 10%, Cu: 0.01 to 1.5%, Al≦0.01% and N: 0.0005 to 0.20%, and the balance substantially being Fe, with 1440−6000P−100S−2000C≧1300, Ni+10(Mo+0.5W)+100N≦120, (Ni−35)+10(N−0.1)−2(Cr−25)−5(Mo+0.5W−3)+8≧0, can be manufactured into a seamless pipe by use of a Mannesmann piercing and rolling mill because of its excellent inner surface properties. The resulting seamless pipe has excellent mechanical properties and moreover has excellent corrosion resistance in a sour gas environment, and thus, the Fe—Ni alloy pipe stock can be used as a pipe stock for oil country tubular goods and line pipes and further as a pipe stock for various structural members of nuclear power plants and chemical industrial plants.
摘要翻译： 1.一种Fe-Ni合金管材，其特征在于，以质量％计含有C <= 0.04％，Si <0.50％，Mn：0.01〜6.0％，P <0.03％，S <0.01％，Cr： 20〜30％，Ni：30〜45％，Mo：0〜10％，W：0〜20％，Mo（％）+ 0.5W（％）：大于1.5％以上10％：0.01〜1.5％，Al≤0.01％，N：0.0005〜0.20％，余量基本上为Fe，1440-6000P-100S-2000C> = 1300，Ni + 10（Mo + 0.5W）+ 100N < = 120，（Ni-35）+10（N-0.1）-2（Cr-25）-5（Mo + 0.5W-3）+8> = 0可以通过使用Mannesmann 穿孔轧机由于其内表面性能优异。所得到的无缝管具有优异的机械性能，并且在酸性气体环境中具有优异的耐腐蚀性，因此，Fe-Ni合金管材可用作油井管和管线管的管材，还可用作管核电厂和化工厂各种结构成员的库存。

9. 发明授权

US10266909B2 High-strength austenitic stainless steel for high-pressure hydrogen gas 有权
公开(公告)号：US10266909B2
公开(公告)日：2019-04-23
申请号：US14007992
申请日：2012-03-19
申请人： Tomohiko Omura , Jun Nakamura , Hirokazu Okada , Hiroyuki Semba , Yusaku Tomio , Hiroyuki Hirata , Masaaki Igarashi , Kazuhiro Ogawa , Masaaki Terunuma
发明人： Tomohiko Omura , Jun Nakamura , Hirokazu Okada , Hiroyuki Semba , Yusaku Tomio , Hiroyuki Hirata , Masaaki Igarashi , Kazuhiro Ogawa , Masaaki Terunuma
IPC分类号： C21D9/46 , C22C38/00 , C22C38/02 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/58 , C22C38/52 , C22C38/54 , C21D6/00 , C21D8/02 , C21D1/26 , F16L9/02
摘要： There is provided an austenitic stainless steel for high-pressure hydrogen gas consisting, by mass percent, of C: 0.10% or less, Si: 1.0% or less, Mn: 3% or more to less than 7%, Cr: 15 to 30%, Ni: 10% or more to less than 17%, Al: 0.10% or less, N: 0.10 to 0.50%, and at least one kind of V: 0.01 to 1.0% and Nb: 0.01 to 0.50%, the balance being Fe and impurities, wherein in the impurities, the P content is 0.050% or less and the S content is 0.050% or less, the tensile strength is 800 MPa or higher, the grain size number (ASTM E112) is No. 8 or higher, and alloy carbo-nitrides having a maximum diameter of 50 to 1000 nm are contained in the number of 0.4/μm2 or larger in cross section observation.

10. 发明授权

US07731895B2 Austenitic Fe-Ni-Cr alloy 有权
标题翻译：奥氏体Fe-Ni-Cr合金
公开(公告)号：US07731895B2
公开(公告)日：2010-06-08
申请号：US11905707
申请日：2007-10-03
申请人： Hirokazu Okada , Masaaki Igarashi , Kazuhiro Ogawa , Yasutaka Noguchi
发明人： Hirokazu Okada , Masaaki Igarashi , Kazuhiro Ogawa , Yasutaka Noguchi
IPC分类号： C22C38/50 , C22C38/44 , C22C38/48 , C22C30/00 , C22C19/05
CPC分类号： C22C38/50 , C21D6/004 , C21D7/13 , C21D2211/001 , C21D2211/004 , C22C38/001 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/06 , F28F21/083
摘要： An austenitic stainless steel improved in creep strength, creep ductility, weldability and also hot workability. The steel, consisting of, by mass %, C: 0.05-0.15%, Si: not more than 2%, Mn: 0.1-3%, P: 0.05-0.30%, S: not more than 0.03%, Cr: 15-28%, Ni: 8-55%, Cu: 0-3.0%, Ti: 0.05-0.6%, REM: 0.001-0.5%, sol. Al: 0.001-0.1%, N: not more than 0.03%, and the balance being Fe and incidental impurities. This steel may contain one or more of Mo, W, B, Nb, V, Co, Zr, Hf, Ta, Mg and Ca. It is preferable that REM is Nd.
摘要翻译：奥氏体不锈钢的蠕变强度，蠕变延展性，可焊性和热加工性均有所提高。以质量％计含有C：0.05-0.15％，Si：不大于2％，Mn：0.1-3％，P：0.05-0.30％，S：0.03％以下的钢，Cr：15 -28％，Ni：8-55％，Cu：0-3.0％，Ti：0.05-0.6％，REM：0.001-0.5％，溶胶。 Al：0.001-0.1％，N：不大于0.03％，余量为Fe和附带杂质。该钢可含有Mo，W，B，Nb，V，Co，Zr，Hf，Ta，Mg和Ca中的一种或多种。 REM优选为Nd。

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