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1. 发明专利

AU2013268908A1 High-strength stainless steel seamless pipe for use as oil well piping, and manufacturing method therefor 未知
公开(公告)号：AU2013268908A1
公开(公告)日：2014-11-20
申请号：AU2013268908
申请日：2013-05-30
申请人： JFE STEEL CORP
发明人： MIYATA YUKIO , ISHIGURO YASUHIDE , ISHIKAWA KAZUTOSHI , NAKAHASHI TETSU
IPC分类号： C21D8/10 , C21D9/08 , C22C38/00 , C22C38/58
摘要： Provided is a high-strength stainless steel seamless pipe for use as oil well piping that has a wall thickness surpassing 25.4 mm, that is rated at 110 ksi (758 MPa) or higher, that exhibits a vE

2. 发明专利

AU2013268908B2 High-strength seamless stainless steel tube for oil country tubular goods and method for manufacturing the same 未知
公开(公告)号：AU2013268908B2
公开(公告)日：2016-01-28
申请号：AU2013268908
申请日：2013-05-30
申请人： JFE STEEL CORP
发明人： MIYATA YUKIO , ISHIGURO YASUHIDE , ISHIKAWA KAZUTOSHI , NAKAHASHI TETSU
IPC分类号： C21D8/10 , C21D9/08 , C22C38/00 , C22C38/58
摘要： Provided is a high-strength stainless steel seamless pipe for use as oil well piping that has a wall thickness surpassing 25.4 mm, that is rated at 110 ksi (758 MPa) or higher, that exhibits a vE

3. 发明专利

BR112016004849B1 Método de fabricação de um tubo de aço inoxidável de alta resistência e tubo de aço inoxidável de alta resistência 未知
公开(公告)号：BR112016004849B1
公开(公告)日：2022-03-22
申请号：BR112016004849
申请日：2014-08-04
申请人： JFE STEEL CORP
发明人： EGUCHI KENICHIRO , SATO TAKESHI , SUZUKI TAKESHI , NAKAHASHI TETSU , ISHIGURO YASUHIDE
IPC分类号： C21D9/08 , C22C38/00 , C22C38/58
摘要： método de fabricação de um tubo de aço inoxidável de alta resistência e tubo de aço inoxidável de alta resistência. trata-se de um método para fabricar um tubo de aço inoxidável de alta resistência com excelente dureza. um método para fabricar um tubo de aço inoxidável de alta resistência com excelente dureza, caracterizado por compreender; a formação de um aço em um tubo de aço que tem um tamanho predeterminado, em que o aço tem uma composição que compreende em % em massa de 0,005 a 0,05% de c, de 0,05 a 1,0% de si, de 0,2 a 1,8% de mn, de 0,03% ou menos de p, de 0,005% ou menos de s, de 14 a 20% de cr, de 1,5 a 10% de ni, de 1 a 5% de mo, de 0,5% ou menos de v, de 0,15% ou menos de n, de 0,01% ou menos de o, de 0,002 a 0,1% de al, e fe e impurezas inevitáveis como um saldo, a aplicação de um tratamento de arrefecimento duas vezes ou mais ao tubo de aço em que o tubo de aço é arrefecido reaquecendo-se a uma temperatura de 750°c ou acima e resfriando-se a uma temperatura de 100°c ou abaixo em uma taxa de resfriamento igual ou mais alta do que uma taxa de resfriamento de ar, e a aplicação de um tratamento de têmpera em que o tubo de aço é temperado a uma temperatura de 700°c ou abaixo, em que o tratamento de arrefecimento final dos tratamentos de arrefecimento é realizado reaquecendo-se a uma temperatura na qual a fase x e m23c6 precipitam ou acima.

4. 发明专利

ES2708275T3 Procedimiento para la fabricación de tubos sin soldadura de acero inoxidable de alta resistencia para utilizarse en tuberías de pozos petrolíferos 未知
公开(公告)号：ES2708275T3
公开(公告)日：2019-04-09
申请号：ES13796392
申请日：2013-05-30
申请人： JFE STEEL CORP
发明人： MIYATA YUKIO , ISHIGURO YASUHIDE , ISHIKAWA KAZUTOSHI , NAKAHASHI TETSU
IPC分类号： C21D8/10 , C21D9/08 , C22C38/00 , C22C38/58
摘要： Procedimiento para fabricar un tubo sin soldadura de acero inoxidable de alta resistencia para productos tubulares de países petrolíferos con un grosor de pared de más de 25,4 mm, comprendiendo el procedimiento el calentamiento de un material de acero; laminado en caliente, incluyendo laminado con perforación del material de acero en un tubo de acero sin soldadura; y enfriado del tubo de acero sin soldadura a temperatura ambiente a una velocidad de enfriamiento igual o superior a la velocidad de enfriamiento por aire, presentando el material de acero una composición química que contiene, en % en masa, C: 0,005% o más y 0,06% o menos, Si: 0,05% o más y 0,5% o menos, Mn: 0,2% o más y 1,8% o menos, P: 0,03% o menos, S: 0,005% o menos, Cr: 15,5% o más y 18,0% o menos, Ni: 1,5% o más y 4,5% o menos, V: 0,02% o más y 0,2% o menos, Al: 0,002% o más y 0,05% o menos, N: 0,01% o más y 0,15% o menos, O: 0,006% o menos, y que consiste, además, en uno, dos o más seleccionados de entre Mo: 1,0% o más y 3,5 % o menos, W: 3,0% o menos y Cu: 3,5% o menos, opcionalmente, además, uno o más seleccionados de entre Nb: 0,2% o menos, Ti: 0,3% o menos, Zr: 0,2% o menos y B: 0,01% o menos, y Ca: 0,01% menos, y siendo el resto Fe e impurezas inevitables, en el que se cumplen las siguientes expresiones relacionales (1) y (2), el laminado en caliente, incluyendo laminado con perforación, se realiza bajo unas condiciones de manera que la reducción total de laminado en un rango de temperaturas de 1100 ºC a 900 ºC es de un 30% o más y, después de que el tubo de acero laminado se enfríe a temperatura ambiente, se realiza un temple-revenido o revenido: Cr + 0,65Ni + 0,60Mo + 0,30W + 0,55Cu - 20C >= 19,5 ... (1), Cr + Mo + 0,50W + 0,30Si-43,5C-0,4Mn-Ni-0,3Cu-9N >=11,5 ··· (2), donde Cr, Mo, W, Si, C, Mn, Ni, Cu y N: contenido (% en masa) de elementos químicos respectivamente representados por los símbolos atómicos correspondientes.

5. 发明专利

MX2016002824A METODO DE FABRICACION DE UNA TUBERIA DE ACERO INOXIDABLE DE ALTA RESISTENCIA Y UNA TUBERIA DE ACERO INOXIDABLE DE ALTA RESISTENCIA. 未知
公开(公告)号：MX2016002824A
公开(公告)日：2016-06-22
申请号：MX2016002824
申请日：2014-08-04
申请人： JFE STEEL CORP
发明人： SUZUKI TAKESHI , EGUCHI KENICHIRO , ISHIGURO YASUHIDE , SATO HIDEO , NAKAHASHI TETSU
IPC分类号： C21D9/08 , C22C38/00 , C22C38/58
摘要： Se proporciona un método de fabricación de una tubería de acero inoxidable de alta resistencia que tiene excelente tenacidad. Un método de fabricación de una tubería de acero inoxidable de alta resistencia que tiene excelente tenacidad, caracterizado porque comprende; conformar un acero en una tubería de acero que tiene un tamaño predeterminado, el acero tiene una composición que comprende, en % en masa 0.005 a 0.05% de C, 0.05 a 1.0% de Si, 0.2 a 1.8% de Mn, 0.03% o menos de P, 0.005% o menos de S, 14 a 20% de Cr, 1.5 a 10% de Ni, 1 a 5% de Mo, 0.5% o menos de V, 0.15% o menos de N, 0.01% o menos de O, 0.002 a 0.1% de Al y Fe e impurezas inevitables como un resto, aplicar un tratamiento de temple dos veces o más a la tubería de acero, donde la tubería de acero se templa mediante recalentamiento a una temperatura de 750 °C o superior y enfriamiento a una temperatura de 100 °C o inferior a una velocidad de enfriamiento igual a o mayor de una velocidad de enfriamiento de aire, y aplicar un tratamiento de revenido donde la tubería de acero es revenida a una temperatura de 700 °C o inferior, el tratamiento de temple final de entre los tratamientos de temple se lleva a cabo mediante recalentamiento a una temperatura a la cual una fase y M23C6 se precipitan.

6. 发明专利

CA2872342C HIGH-STRENGTH SEAMLESS STAINLESS STEEL TUBE FOR OIL COUNTRY TUBULAR GOODS AND METHOD FOR MANUFACTURING THE SAME 未知
公开(公告)号：CA2872342C
公开(公告)日：2018-07-17
申请号：CA2872342
申请日：2013-05-30
申请人： JFE STEEL CORP
发明人： MIYATA YUKIO , ISHIGURO YASUHIDE , ISHIKAWA KAZUTOSHI , NAKAHASHI TETSU
IPC分类号： C21D8/10 , C21D9/08 , C22C38/00 , C22C38/58
摘要： Provided is a high-strength stainless steel tube for oil country tubular goods having a wall thickness of more than 25.4 mm and a high strength of a 110 ksi (758 MPa) grade yield stress or more with excellent toughness and excellent corrosion resistance. A steel material having a chemical composition containing, by mass%, C: 0.005% or more and 0.06% or less, Si: 0.05% or more and 0.5% or less, Mn: 0.2% or more and 1.8% or less, Cr: 15.5% or more and 18.0% or less, Ni: 1.5% or more and 5.0% or less, V: 0.02% or more and 0.2% or less, Al: 0.002% or more and 0.05% or less, N: 0.01% or more and 0.15% or less, 0: 0.006% or less, and further containing one or more of Mo: 1.0% or more and 3.5% or less, W: 3.0% or less and Cu: 3.5% or less, in which the relational expressions Cr+0.65Ni+0.60Mo+0.30W+0.55Cu-20C>=19.5 and Cr+Mo+0.50W+0.30Si-43.5C-0.4Mn-Ni-0.3Cu-9N>=11.5 are satisfied, is made into a seamless steel tube by performing heating and hot rolling. The hot rolling is performed under conditions such that the total rolling reduction in a temperature range of 1100°C to 900°C is 30% or more. After the hot rolling has been performed, cooling is performed at a cooling rate equal to or more than an air-cooling rate, and, further, quenching-tempering is performed. With this method, a high-strength and high-toughness seamless steel tube having a strength of 110 ksi (758 MPa) or more and a toughness of 40 J or more in terms of vE-10 despite having a thick wall and excellent corrosion resistance even in a high-temperature corrosion environment having a temperature of 230°C and containing CO2 and Cl- can be stably manufactured.

7. 发明专利

IN2395KON2014A HIGH-STRENGTH STAINLESS STEEL SEAMLESS PIPE FOR USE AS OIL WELL PIPING, AND MANUFACTURING METHOD THEREFOR 未知
公开(公告)号：IN2395KON2014A
公开(公告)日：2015-05-01
申请号：IN2395KON2014
申请日：2014-10-28
申请人： JFE STEEL CORP
发明人： MIYATA YUKIO , ISHIGURO YASUHIDE , ISHIKAWA KAZUTOSHI , NAKAHASHI TETSU
IPC分类号： C21D8/10 , C21D9/08 , C22C38/00
摘要： Provided is a high-strength stainless steel seamless pipe for use as oil well piping that has a wall thickness surpassing 25.4 mm, that is rated at 110 ksi (758 MPa) or higher, that exhibits a vE-10 of 40J or higher, and that exhibits excellent corrosion resistance in a high-temperature corrosive environment. The steel seamless pipe is obtained by heating and hot rolling a steel material of which the composition includes, in terms of mass%, 0.005-0.06% of C, 0.05-0.5% of Si, 0.2-1.8% of Mn, 15.5-18.0% of Cr, 1.5-5.0% of Ni, 0.02-0.2% of V, 0.002-0.05% of Al, 0.01-0.15% of N, and 0.006% or less of O, and additionally includes 1.0-3.5% of Mo and/or 3.0% or less of W and/or 3.5% or less of Cu so as to satisfy [Cr + 0.65Ni + 0.60Mo + 0.30W + 0.55Cu - 20C ≧ 19.5] and [Cr + Mo + 0.50W + 0.30Si - 43.5C - 0.4Mn - Ni - 0.3Cu - 9N ≧ 11.5]. On this occasion, hot rolling is carried out so as to achieve a total rolling reduction rate of 30% or more in the temperature range of 1100-900° C. After completion of hot rolling, cooling is carried out at a cooling rate faster than that of air cooling, and a hardening-tempering treatment is performed.

8. 发明专利

CA2872342A1 HIGH-STRENGTH SEAMLESS STAINLESS STEEL TUBE FOR OIL COUNTRY TUBULAR GOODS AND METHOD FOR MANUFACTURING THE SAME 未知
公开(公告)号：CA2872342A1
公开(公告)日：2013-12-05
申请号：CA2872342
申请日：2013-05-30
申请人： JFE STEEL CORP
发明人： MIYATA YUKIO , ISHIGURO YASUHIDE , ISHIKAWA KAZUTOSHI , NAKAHASHI TETSU
IPC分类号： C21D8/10 , C21D9/08 , C22C38/00 , C22C38/58
摘要： Provided is a high-strength stainless steel seamless pipe for use as oil well piping that has a wall thickness surpassing 25.4 mm, that is rated at 110 ksi (758 MPa) or higher, that exhibits a vE-10 of 40J or higher, and that exhibits excellent corrosion resistance in a high-temperature corrosive environment. The steel seamless pipe is obtained by heating and hot rolling a steel material of which the composition includes, in terms of mass%, 0.005-0.06% of C, 0.05-0.5% of Si, 0.2-1.8% of Mn, 15.5-18.0% of Cr, 1.5-5.0% of Ni, 0.02-0.2% of V, 0.002-0.05% of Al, 0.01-0.15% of N, and 0.006% or less of O, and additionally includes 1.0-3.5% of Mo and/or 3.0% or less of W and/or 3.5% or less of Cu so as to satisfy [Cr + 0.65Ni + 0.60Mo + 0.30W + 0.55Cu - 20C ? 19.5] and [Cr + Mo + 0.50W + 0.30Si - 43.5C - 0.4Mn - Ni - 0.3Cu - 9N ? 11.5]. On this occasion, hot rolling is carried out so as to achieve a total rolling reduction rate of 30% or more in the temperature range of 1100-900° C. After completion of hot rolling, cooling is carried out at a cooling rate faster than that of air cooling, and a hardening-tempering treatment is performed.

9. 发明公开

EP2857530A4 HIGH-STRENGTH STAINLESS STEEL SEAMLESS PIPE FOR USE AS OIL WELL PIPING, AND MANUFACTURING METHOD THEREFOR 有权
标题翻译：无缝钢管高强度不锈钢用作生产石油油井管和过程
公开(公告)号：EP2857530A4
公开(公告)日：2015-11-04
申请号：EP13796392
申请日：2013-05-30
申请人： JFE STEEL CORP
发明人： MIYATA YUKIO , ISHIGURO YASUHIDE , ISHIKAWA KAZUTOSHI , NAKAHASHI TETSU
IPC分类号： C21D8/10 , C21D9/08 , C22C38/00 , C22C38/58
CPC分类号： C22C38/54 , C21D8/10 , C21D8/105 , C21D9/08 , C21D9/085 , C21D2211/001 , C21D2211/005 , C21D2211/008 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50
摘要： Provided is a high-strength stainless steel tube for oil country tubular goods having a wall thickness of more than 25.4 mm and a high strength of a 110 ksi (758 MPa) grade yield stress or more with excellent toughness and excellent corrosion resistance. A steel material having a chemical composition containing, by mass%, C: 0.005% or more and 0.06% or less, Si: 0.05% or more and 0.5% or less, Mn: 0.2% or more and 1.8% or less, Cr: 15.5% or more and 18.0% or less, Ni: 1.5% or more and 5.0% or less, V: 0.02% or more and 0.2% or less, Al: 0.002% or more and 0.05% or less, N: 0.01% or more and 0.15% or less, O: 0.006% or less, and further containing one or more of Mo: 1.0% or more and 3.5% or less, W: 3.0% or less and Cu: 3.5% or less, in which the relational expressions Cr+0.65Ni+0.60Mo+0.30W+0.55Cu-20C‰¥19.5 and Cr+Mo+0.50W+0.30Si-43.5C-0.4Mn-Ni-0.3Cu-9N‰¥11.5 are satisfied, is made into a seamless steel tube by performing heating and hot rolling. The hot rolling is performed under conditions such that the total rolling reduction in a temperature range of 1100°C to 900°C is 30% or more. After the hot rolling has been performed, cooling is performed at a cooling rate equal to or more than an air-cooling rate, and, further, quenching-tempering is performed. With this method, a high-strength and high-toughness seamless steel tube having a strength of 110 ksi (758 MPa) or more and a toughness of 40 J or more in terms of vE- 10 despite having a thick wall and excellent corrosion resistance even in a high-temperature corrosion environment having a temperature of 230°C and containing CO 2 and Cl - can be stably manufactured.

10. 发明公开

EP3121306A4 HIGH-STRENGTH STAINLESS STEEL SEAMLESS PIPE FOR OIL WELL, AND METHOD FOR PRODUCING SAME 有权
标题翻译：高强度钢管无缝油井和方法及其制造
公开(公告)号：EP3121306A4
公开(公告)日：2017-04-26
申请号：EP15795740
申请日：2015-05-20
申请人： JFE STEEL CORP
发明人： FUJIMURA KAZUKI , ISHIGURO YASUHIDE , NAKAHASHI TETSU , SATO HIDEO
IPC分类号： C22C38/00 , C21D8/10 , C21D9/00 , C21D9/08 , C22C38/58
CPC分类号： C21D9/08 , C21D1/22 , C21D6/004 , C21D8/005 , C21D8/10 , C21D8/105 , C21D9/00 , C21D2211/008 , C22C38/00 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/54 , C22C38/58
摘要： Provided are a high-strength seamless stainless steel pipe for oil country tubular goods excellent in terms of hot workability, sulfide stress cracking resistance, and corrosion resistance and a method for manufacturing the steel pipe. The steel pipe has a chemical composition containing Cr and Ni so that the relationship Cr/Ni ‰¤ 5.3 is satisfied and a microstructure including mainly a tempered martensite phase in which a surface layer microstructure includes a phase which looks white when subjected to etching with a Vilella etching solution, which has a thickness in the wall thickness direction from the outer surface of the pipe of 10 µm or more and 100 µm or less, and which disperses in the outer surface of the pipe in an amount of 50% or more in terms of area fraction. The chemical composition may be a chemical composition containing, by mass%, C: 0.005% or more and 0.05% or less, Si: 0.05% or more and 1.50% or less, Mn: 0.2% or more and 1.8% or less, P: 0.02% or less, S: 0.005% or less, Cr: 11% or more and 18% or less, Ni: 0.10% or more and 8.0% or less, Mo: 0.6% or more and 3.5% or less, and the balance being Fe and inevitable impurities.
摘要翻译：提供的是用于油井优异的热加工性，硫化物应力开裂性，和耐腐蚀性和用于钢管的制造方法的术语管状产品的高强度无缝不锈钢管。钢管的化学组成含Cr和Ni所以没有关系的Cr /镍‰¤5.3被满足，并且微结构主要包括一个回火马氏体相，其中，表面层微结构包括一个相位哪个看起来是白色的时，受到与蚀刻 Vilella蚀刻溶液，其具有的厚度为10微米以上，100微米或更小的管的外表面的壁厚方向，并且其分散在管的外表面中在50％或更多的量面积比计。所述化学组合物可以是含有的化学成分，以质量％计，C：0.005％以上且0.05％以下，Si：0.05％以上且1.50％以下，Mn：0.2％以上且1.8％以下， P：0.02％以下，S：0.005％以下，Cr：11％以上且18％以下，Ni：0.10％以上且8.0％以下，Mo：0.6％以上且3.5％以下，和其余为Fe和不可避免的杂质。

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