WO2010057235A1 - Verfahren und vorrichtung zur herstellung von stahlrohren mit besonderen eigenschaften - Google Patents
Verfahren und vorrichtung zur herstellung von stahlrohren mit besonderen eigenschaften Download PDFInfo
- Publication number
- WO2010057235A1 WO2010057235A1 PCT/AT2009/000439 AT2009000439W WO2010057235A1 WO 2010057235 A1 WO2010057235 A1 WO 2010057235A1 AT 2009000439 W AT2009000439 W AT 2009000439W WO 2010057235 A1 WO2010057235 A1 WO 2010057235A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- max
- cooling
- tube
- pipe
- temperature
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 14
- 239000010959 steel Substances 0.000 title claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 39
- 239000002826 coolant Substances 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims description 29
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000011651 chromium Substances 0.000 claims description 8
- 239000010936 titanium Substances 0.000 claims description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000011572 manganese Substances 0.000 claims description 4
- 239000010955 niobium Substances 0.000 claims description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 239000011574 phosphorus Substances 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 239000011593 sulfur Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 238000005275 alloying Methods 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 238000003303 reheating Methods 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 239000000523 sample Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 235000019362 perlite Nutrition 0.000 description 3
- 239000010451 perlite Substances 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 229910001563 bainite Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000002631 hypothermal effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
- C21D9/085—Cooling or quenching
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
- C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
Definitions
- the invention relates to a method for the production of tubes made of steel with increased strength and improved toughness of the material.
- the invention relates to a device for producing pipes with a special property profile consisting of a device for coolant treatment of a pipe surface.
- the properties of the material of the tube wall can have significant differences locally and los related. These property differences are usually based on an uneven microstructure and on an unfavorable steel composition or an increased proportion of accompanying and impurity elements.
- Tubes with a length of 7m and larger and an outer diameter of less than 200mm with a wall thickness of less than 25mm can be subjected to heat treatment only with great effort, which provides a uniformly fine structure with the desired structure over the entire tube volume and minimizes bending perpendicular to the longitudinal direction ,
- the object is achieved by a generic method, in which by direct rapid cooling after hot forming, in particular after deformation by means of stretch reduction, in each case within a period of at most 20 seconds after the final deformation at a temperature of higher 700 0 C 1 but below 1050 0 C. in the passage on the outer surface of the tube circumferentially in a length of greater than 400 times the pipe wall thickness, a cooling medium with increased pressure in an amount is applied, which in the rapid cooling an equal cooling rate of greater than 1 ° C / sec of the pipe wall over the pipe length to a temperature in the range of 500 0 C to 25O 0 C, after which a further cooling of the tube takes place in air to room temperature.
- For an integrated tempering treatment may also be advantageous if, after the rapid cooling in a further cooling of the tube in air, a targeted reheating of the pipe wall surface area.
- the method is used for producing seamless pipes with a length greater than 7 m, in particular up to 200 m, an outer diameter of greater than 20 mm, but less than 200 mm, a wall thickness of greater than 2.0 mm, but less than 25 mm, the increased quality of the pipe can be a considerable advantage reduce inventory and minimize damage due to breakage with significant repair costs.
- At least one element of the steel may advantageously have, in terms of a homogeneous high quality of the pipe, contents in% by weight of: carbon (C) 0.05 to 0.35 phosphorus (P) max 0.015
- the further object of the invention to provide a device for producing tubes made of steel with increased strength and improved toughness of the material by rapid cooling after deformation consisting of a means for coolant loading a pipe surface is achieved in that in the rolling direction after the last deformation stand a switchable passage cooling section with a plurality of arranged concentrically around the rolling stock, longitudinally differently positionable distributor rings for the cooling medium is formed in each case with at least 3, each directed substantially to the axis of nozzles, each distribution ring or each group of the same throughput controlled with the cooling medium is anspeisbar ,
- a device according to the invention it is advantageously possible with a device according to the invention to subject tubes having a different longitudinal extent and with different diameters and wall thicknesses to a targeted heat treatment from the rolling heat, such that a desired microstructure, which is represented uniformly over the tube length, can be obtained.
- the coolant stream can be designed in each case as a spray stream of coolant, usually water, and / or as a spray stream of coolant and air and / or as a gas stream.
- regulations for tube cooling with position and temperature sensors are used to control the coolant flows.
- Example 1 from tube pre-material of the same mother melt with a chemical composition in wt .-% according to Tab. 1
- the tube was introduced after a time of 12 seconds at a temperature of 88O 0 C in a through-cooling.
- microstructure revealed that at most there was in each case an advantageously rectified microstructure, essentially without texture, but with a grain size and microstructure distribution dependent on the final cooling temperature.
- Fig. 1 shows a microstructure of sample P1, wherein a particle size of 20 .mu.m - 30 .mu.m was present at high ferrite content.
- the further structural component was essentially perlite.
- the measurement results of the four quadrants Q1 to Q4 are averages of four spaced measurements per quadrant in the outer, middle and inner regions of the tube wall. As can be seen from the comparison of the respective hardness values across the cross section of the pipe wall in the quadrant, only slightest differences in the material strength are present, whereby the achievable product quality is represented by using the method according to the invention and a like device.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Articles (AREA)
- Heat Treatment Of Steel (AREA)
Priority Applications (16)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011536700A JP2012509398A (ja) | 2008-11-20 | 2009-11-16 | 特殊な特性を有する鋼管を製造する方法及び装置 |
| KR1020117014023A KR101694679B1 (ko) | 2008-11-20 | 2009-11-16 | 특별한 특성을 가지는 스틸 파이프를 생산하는 방법 및 장치 |
| PL09763823T PL2356262T3 (pl) | 2008-11-20 | 2009-11-16 | Sposób i urządzenie do wytwarzania rur stalowych o szczególnych właściwościach |
| BR122017014778A BR122017014778B1 (pt) | 2008-11-20 | 2009-11-16 | aparelho para a produção de tubos para campo de petróleo sem costura |
| CA2748046A CA2748046C (en) | 2008-11-20 | 2009-11-16 | Method and device for producing steel pipes having improved strengh and toughness |
| UAA201107654A UA98088C2 (ru) | 2008-11-20 | 2009-11-16 | Способ и устройство для производства стальных труб |
| EA201100799A EA021245B1 (ru) | 2008-11-20 | 2009-11-16 | Способ и устройство для изготовления труб из стали |
| CN200980146610XA CN102224265A (zh) | 2008-11-20 | 2009-11-16 | 生产具有特定性质的钢管的方法和装置 |
| EP09763823.3A EP2356262B1 (de) | 2008-11-20 | 2009-11-16 | Verfahren und vorrichtung zur herstellung von stahlrohren mit besonderen eigenschaften |
| MX2011005110A MX2011005110A (es) | 2008-11-20 | 2009-11-16 | Procedimiento y dispositivo para la fabricacion de tubos de acero con caracteristicas especiales. |
| BRPI0921077-6A BRPI0921077B1 (pt) | 2008-11-20 | 2009-11-16 | Método para a produção de tubos feitos de aço possuindo uma estabilidade aumentada e viscosidade melhorada do material |
| KR1020167032619A KR101760654B1 (ko) | 2008-11-20 | 2009-11-16 | 특별한 특성을 가지는 스틸 파이프를 생산하는 방법 및 장치 |
| ES09763823.3T ES2569103T3 (es) | 2008-11-20 | 2009-11-16 | Procedimiento y dispositivo para la fabricación de tubos de acero con propiedades particulares |
| US13/128,838 US9394582B2 (en) | 2008-11-20 | 2009-11-16 | Method and apparatus for producing steel pipes having particular properties |
| ZA2011/02056A ZA201102056B (en) | 2008-11-20 | 2011-03-18 | Method and apparatus for producing steel pipes having particular properties |
| HRP20160591TT HRP20160591T1 (hr) | 2008-11-20 | 2016-06-01 | Postupak i uređaj za izradu čeličnih cijevi s posebnim svojstvima |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0181408A AT507596B1 (de) | 2008-11-20 | 2008-11-20 | Verfahren und vorrichtung zur herstellung von stahlrohren mit besonderen eigenschaften |
| ATA1814/2008 | 2008-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2010057235A1 true WO2010057235A1 (de) | 2010-05-27 |
Family
ID=41785584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/AT2009/000439 WO2010057235A1 (de) | 2008-11-20 | 2009-11-16 | Verfahren und vorrichtung zur herstellung von stahlrohren mit besonderen eigenschaften |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US9394582B2 (pl) |
| EP (2) | EP2356262B1 (pl) |
| JP (1) | JP2012509398A (pl) |
| KR (2) | KR101694679B1 (pl) |
| CN (1) | CN102224265A (pl) |
| AR (1) | AR075551A1 (pl) |
| AT (1) | AT507596B1 (pl) |
| BR (2) | BRPI0921077B1 (pl) |
| CA (1) | CA2748046C (pl) |
| EA (1) | EA021245B1 (pl) |
| ES (2) | ES2625085T3 (pl) |
| HR (2) | HRP20160591T1 (pl) |
| MX (1) | MX2011005110A (pl) |
| PL (2) | PL2356262T3 (pl) |
| SG (2) | SG10201500738QA (pl) |
| UA (1) | UA98088C2 (pl) |
| WO (1) | WO2010057235A1 (pl) |
| ZA (1) | ZA201102056B (pl) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102021488A (zh) * | 2010-11-30 | 2011-04-20 | 攀钢集团钢铁钒钛股份有限公司 | 核岛无缝钢管用钢及其生产方法 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102367560B (zh) * | 2011-11-09 | 2013-06-19 | 南京钢铁股份有限公司 | 一种高强度耐腐蚀直缝焊管用钢的制造方法 |
| AR096272A1 (es) * | 2013-05-31 | 2015-12-16 | Nippon Steel & Sumitomo Metal Corp | Tubo de acero sin costura para tubería de conducción utilizado en ambientes agrios |
| DE102019205724A1 (de) | 2019-04-18 | 2020-10-22 | Sms Group Gmbh | Kühlvorrichtung für nahtlose Stahlrohre |
| DE102020212926A1 (de) | 2020-10-14 | 2022-04-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | Verfahren zur Umformung eines Halbzeugs und Vorrichtung zur Durchführung des Verfahrens |
Citations (6)
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| US3507712A (en) * | 1967-09-08 | 1970-04-21 | United States Steel Corp | Method and apparatus for quenching pipe |
| JPS5437011A (en) * | 1977-08-29 | 1979-03-19 | Mitsubishi Electric Corp | Apparatus for hardening pipes |
| US5653937A (en) * | 1993-07-02 | 1997-08-05 | Dong Won Metal Ind. Co., Ltd. | Method for heat treating an impact beam of automotive vehicle door and a system of the same |
| WO1998038345A1 (en) * | 1997-02-27 | 1998-09-03 | Exxon Production Research Company | High-tensile-strength steel and method of manufacturing the same |
| EP1516934A1 (en) * | 2002-06-19 | 2005-03-23 | Nippon Steel Corporation | Oil well steel pipe excellent in crushing resistance characteristics after pipe expansion |
| WO2007113642A2 (en) * | 2006-04-03 | 2007-10-11 | Tenaris Connections Ag | Low carbon alloy steel tube having ultra high strength and excellent toughness at low temperature and method of manufacturing the same |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3311629C2 (de) * | 1983-03-28 | 1986-08-14 | Mannesmann AG, 4000 Düsseldorf | Verfahren zum Herstellen von nahtlosen Stahlrohren |
| JPS62263924A (ja) * | 1986-05-07 | 1987-11-16 | Sumitomo Metal Ind Ltd | 強靭鋼管の製造方法 |
| US5186769A (en) * | 1990-08-16 | 1993-02-16 | The Algoma Steel Corporation, Limited | Seamless steel tube manufacture |
| JPH0888515A (ja) * | 1994-09-19 | 1996-04-02 | Advantest Corp | Ｆｍ偏移量測定器 |
| DE19506858C1 (de) * | 1995-02-14 | 1996-01-18 | Mannesmann Ag | Walzenkalibrierung für ein Rohrreduzierwalzwerk |
| JPH08253817A (ja) * | 1995-03-17 | 1996-10-01 | Hitachi Ltd | 圧延用ロールの焼入れ方法及び焼入れ装置 |
| JP4182556B2 (ja) * | 1997-12-11 | 2008-11-19 | Ｊｆｅスチール株式会社 | 継目無鋼管の製造方法 |
| DE19962891A1 (de) * | 1999-12-23 | 2001-06-28 | Sms Demag Ag | Verfahren und Vorrichtung zum Abkühlen von warmgewalzten Profilen |
| JP4608739B2 (ja) * | 2000-06-14 | 2011-01-12 | Ｊｆｅスチール株式会社 | 自動車ドア補強用鋼管の製造方法 |
| CN100420758C (zh) * | 2002-10-01 | 2008-09-24 | 住友金属工业株式会社 | 具有优异抗氢致开裂性的高强度无缝钢管及其制备方法 |
| CN1208143C (zh) * | 2002-11-25 | 2005-06-29 | 宝山钢铁股份有限公司 | 一种高性能无缝钢管的制造方法 |
| JP2005298861A (ja) * | 2004-04-08 | 2005-10-27 | Nippon Steel Corp | 鋼管の冷却方法および冷却装置 |
| BRPI0707672A2 (pt) * | 2006-02-08 | 2011-05-10 | Thermatool Corp | anel de tÊmpera e conjunto de tÊmpera para ejetar agente de tÊmpera sobre uma peÇa e mÉtodo de temperar uma peÇa |
| JP4894855B2 (ja) * | 2006-03-28 | 2012-03-14 | 住友金属工業株式会社 | 継目無管の製造方法 |
| CN101153373B (zh) * | 2006-09-27 | 2010-10-06 | 宝山钢铁股份有限公司 | 一种油套管钢的制造工艺 |
| JP5020689B2 (ja) * | 2007-04-17 | 2012-09-05 | 新日本製鐵株式会社 | 切削性に優れた機械構造用鋼管 |
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2008
- 2008-11-20 AT AT0181408A patent/AT507596B1/de not_active IP Right Cessation
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2009
- 2009-10-19 AR ARP090104006A patent/AR075551A1/es not_active Application Discontinuation
- 2009-11-16 EP EP09763823.3A patent/EP2356262B1/de active Active
- 2009-11-16 SG SG10201500738QA patent/SG10201500738QA/en unknown
- 2009-11-16 ES ES13187253.3T patent/ES2625085T3/es active Active
- 2009-11-16 WO PCT/AT2009/000439 patent/WO2010057235A1/de active Application Filing
- 2009-11-16 SG SG10202013010SA patent/SG10202013010SA/en unknown
- 2009-11-16 CA CA2748046A patent/CA2748046C/en active Active
- 2009-11-16 US US13/128,838 patent/US9394582B2/en active Active
- 2009-11-16 BR BRPI0921077-6A patent/BRPI0921077B1/pt active IP Right Grant
- 2009-11-16 MX MX2011005110A patent/MX2011005110A/es active IP Right Grant
- 2009-11-16 EP EP13187253.3A patent/EP2682485B1/de active Active
- 2009-11-16 PL PL09763823T patent/PL2356262T3/pl unknown
- 2009-11-16 BR BR122017014778A patent/BR122017014778B1/pt active IP Right Grant
- 2009-11-16 UA UAA201107654A patent/UA98088C2/ru unknown
- 2009-11-16 KR KR1020117014023A patent/KR101694679B1/ko active IP Right Grant
- 2009-11-16 CN CN200980146610XA patent/CN102224265A/zh active Pending
- 2009-11-16 ES ES09763823.3T patent/ES2569103T3/es active Active
- 2009-11-16 PL PL13187253T patent/PL2682485T3/pl unknown
- 2009-11-16 KR KR1020167032619A patent/KR101760654B1/ko active IP Right Grant
- 2009-11-16 EA EA201100799A patent/EA021245B1/ru not_active IP Right Cessation
- 2009-11-16 JP JP2011536700A patent/JP2012509398A/ja active Pending
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2011
- 2011-03-18 ZA ZA2011/02056A patent/ZA201102056B/en unknown
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2016
- 2016-06-01 HR HRP20160591TT patent/HRP20160591T1/hr unknown
-
2017
- 2017-06-01 HR HRP20170838TT patent/HRP20170838T1/hr unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US3507712A (en) * | 1967-09-08 | 1970-04-21 | United States Steel Corp | Method and apparatus for quenching pipe |
| JPS5437011A (en) * | 1977-08-29 | 1979-03-19 | Mitsubishi Electric Corp | Apparatus for hardening pipes |
| US5653937A (en) * | 1993-07-02 | 1997-08-05 | Dong Won Metal Ind. Co., Ltd. | Method for heat treating an impact beam of automotive vehicle door and a system of the same |
| WO1998038345A1 (en) * | 1997-02-27 | 1998-09-03 | Exxon Production Research Company | High-tensile-strength steel and method of manufacturing the same |
| EP1516934A1 (en) * | 2002-06-19 | 2005-03-23 | Nippon Steel Corporation | Oil well steel pipe excellent in crushing resistance characteristics after pipe expansion |
| WO2007113642A2 (en) * | 2006-04-03 | 2007-10-11 | Tenaris Connections Ag | Low carbon alloy steel tube having ultra high strength and excellent toughness at low temperature and method of manufacturing the same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102021488A (zh) * | 2010-11-30 | 2011-04-20 | 攀钢集团钢铁钒钛股份有限公司 | 核岛无缝钢管用钢及其生产方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2748046A1 (en) | 2010-05-27 |
| ES2569103T3 (es) | 2016-05-06 |
| KR101760654B1 (ko) | 2017-08-04 |
| MX2011005110A (es) | 2011-05-30 |
| EP2682485B1 (de) | 2017-03-15 |
| US20110272067A1 (en) | 2011-11-10 |
| AT507596A1 (de) | 2010-06-15 |
| BRPI0921077B1 (pt) | 2018-01-16 |
| US9394582B2 (en) | 2016-07-19 |
| JP2012509398A (ja) | 2012-04-19 |
| AR075551A1 (es) | 2011-04-20 |
| CN102224265A (zh) | 2011-10-19 |
| PL2682485T3 (pl) | 2017-09-29 |
| AT507596B1 (de) | 2011-04-15 |
| ES2625085T3 (es) | 2017-07-18 |
| EP2682485A1 (de) | 2014-01-08 |
| EP2356262A1 (de) | 2011-08-17 |
| SG10201500738QA (en) | 2015-03-30 |
| ZA201102056B (en) | 2011-11-30 |
| CA2748046C (en) | 2018-01-09 |
| UA98088C2 (ru) | 2012-04-10 |
| PL2356262T3 (pl) | 2016-08-31 |
| KR20160137675A (ko) | 2016-11-30 |
| KR101694679B1 (ko) | 2017-01-10 |
| BRPI0921077A2 (pt) | 2015-12-15 |
| KR20110095376A (ko) | 2011-08-24 |
| EP2356262B1 (de) | 2016-03-09 |
| BR122017014778B1 (pt) | 2018-10-16 |
| HRP20160591T1 (hr) | 2016-07-01 |
| EA021245B1 (ru) | 2015-05-29 |
| EA201100799A1 (ru) | 2011-12-30 |
| HRP20170838T1 (hr) | 2017-08-25 |
| SG10202013010SA (en) | 2021-02-25 |
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