WO1998031843A1 - Verfahren zur herstellung nahtloser leitungsrohre mit stabiler streckgrenze bei erhöhten einsatztemperaturen - Google Patents
Verfahren zur herstellung nahtloser leitungsrohre mit stabiler streckgrenze bei erhöhten einsatztemperaturen Download PDFInfo
- Publication number
- WO1998031843A1 WO1998031843A1 PCT/DE1997/002943 DE9702943W WO9831843A1 WO 1998031843 A1 WO1998031843 A1 WO 1998031843A1 DE 9702943 W DE9702943 W DE 9702943W WO 9831843 A1 WO9831843 A1 WO 9831843A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- max
- steel
- range
- temperature
- content
- Prior art date
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Classifications
-
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
- 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
Definitions
- the invention relates to a method for producing seamless line pipes in the quality level range X 52 to X 90.
- the hydrocarbons e.g. natural gas
- the hydrocarbons have relatively high temperatures of e.g. Have 100 to 200 ° C.
- the materials that can be used for conduit pipes under such conditions not only have to be sufficiently weldable and have a certain corrosion resistance, but also have to have a comparatively good yield strength stability.
- the yield point drop should be as small as possible compared to the yield point at room temperature.
- an essentially constant stress-strain characteristic is required, i.e. the so-called fatigue expansion should be as low as possible.
- Tungsten is generally used relatively rarely as an alloying element. As a strong carbide former, it is regularly used to manufacture cold, hot and high-speed steels. It increases their heat resistance, temper resistance and especially wear resistance at high temperatures. In its mode of action, tungsten is similar to molybdenum, so that it can replace molybdenum in a ratio of 2: 1.
- the object of the invention is to propose a method for the production of seamless conduits, in which a quality level in the range X 52 to X 90 can be set reliably by means of a tempering treatment, and a good yield strength stability with substantially constant stress-strain up to operating temperatures of 200 ° C. - Characteristic can be guaranteed.
- this object is achieved by hot rolling a tube material made of a steel with the following composition (% by weight):
- the tubes After hot-rolling and cooling the tubes, they are reheated to a temperature above AC 3 and quenched at a cooling rate of at least 15 ° C / s to below 100 ° C. Finally, the tubes are tempered in the temperature range of 500 to 700 ° C, depending on the desired quality level.
- the tungsten content is advantageously in the range from 0.35 to 0.70%, particularly preferably in the range from 0.35 to 0.40%. It is recommended that the vanadium content be at least 0.04% adjust.
- the steel alloy to be used for hot rolling in accordance with the invention may contain other accompanying substances without impairing its properties, such as are found in particular in the production of electrical steel.
- these accompanying substances are copper, chromium and nickel.
- the content limits of these accompanying substances should be limited to a maximum of 0.15%.
- a line pipe hot-rolled according to the invention and quenched after reheating can be adjusted to any quality level in the quality level range from X 52 to X 90 by tempering.
- the lower the tempering temperature selected the higher the strength values achieved.
- the toughness properties are improved by higher tempering temperatures.
- a conduit manufactured according to the invention has a stable yield point at least up to an operating temperature of 200 ° C, i.e. that the yield point drop is very small ( ⁇ 10%).
- the stress-strain characteristic is essentially constant.
- the weldability that is important for conduits is guaranteed.
- the carbon equivalent according to IIW can be set to relatively low values.
- the molybdenum content can be limited to very small values or even zero. Since tungsten is less expensive than molybdenum, the manufacturing costs of the alloy to be used according to the invention are lower.
- the carbon equivalent values for the comparative steel were 0.44 and 0.24, respectively.
- the alloy of the steel used according to the invention differs from the comparison alloy essentially only in that the molybdenum content is 0.15% lower and an additional content of 0.35% tungsten is added instead.
- the steel used according to the invention when examining its strength properties at a test temperature of 160 ° C., showed a drop in yield strength of only about 5%. How the stress-strain
- the strength level can be lowered by higher tempering temperatures and increased by lower temperatures.
- alloys can be selected which have the quality level range from X 52 to X 90 through appropriate remuneration treatment can represent.
- the examined steel sample according to the invention showed a notched impact value of 92 J / cm 2 with regard to the notched impact strength at a test temperature of -30 ° C (sample position: sheet center, transverse), which is to be regarded as extraordinarily good for the quality class X 85.
- the weldability of the steel according to the invention can be classified as completely satisfactory, and there is no discernible negative influence of the alloyed tungsten.
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- 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)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE59704264T DE59704264D1 (de) | 1997-01-15 | 1997-12-12 | Verfahren zur herstellung nahtloser leitungsrohre mit stabiler streckgrenze bei erhöhten einsatztemperaturen |
AU57482/98A AU5748298A (en) | 1997-01-15 | 1997-12-12 | Method for making seamless tubing with a stable elastic limit at high application temperatures |
EP97953639A EP0954617B1 (de) | 1997-01-15 | 1997-12-12 | Verfahren zur herstellung nahtloser leitungsrohre mit stabiler streckgrenze bei erhöhten einsatztemperaturen |
JP53328098A JP2001508131A (ja) | 1997-01-15 | 1997-12-12 | 配管用継目無鋼管の製造方法 |
NO993260A NO993260D0 (no) | 1997-01-15 | 1999-06-30 | FremgangsmÕte for fremstilling av s°ml°se r°r med stabil flytgrense ved forh°yede anvendelsestemperaturer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702823 | 1997-01-15 | ||
DE19702823.3 | 1997-01-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998031843A1 true WO1998031843A1 (de) | 1998-07-23 |
Family
ID=7818451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1997/002943 WO1998031843A1 (de) | 1997-01-15 | 1997-12-12 | Verfahren zur herstellung nahtloser leitungsrohre mit stabiler streckgrenze bei erhöhten einsatztemperaturen |
Country Status (8)
Country | Link |
---|---|
US (1) | US20020011284A1 (de) |
EP (1) | EP0954617B1 (de) |
JP (1) | JP2001508131A (de) |
AU (1) | AU5748298A (de) |
DE (1) | DE59704264D1 (de) |
ES (1) | ES2159155T3 (de) |
NO (1) | NO993260D0 (de) |
WO (1) | WO1998031843A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001016391A2 (de) * | 1999-08-30 | 2001-03-08 | V & M Deutschland Gmbh | Verwendung einer stahllegierung zur herstellung hochfester nahtloser stahlrohre |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1627931B1 (de) * | 2003-04-25 | 2017-05-31 | Tubos De Acero De Mexico, S.A. | Nahtloses stahlrohr, das zur verwendung als führungsrohr vorgesehen ist, und herstellungsverfahren dafür |
MXPA05008339A (es) * | 2005-08-04 | 2007-02-05 | Tenaris Connections Ag | Acero de alta resistencia para tubos de acero soldables y sin costura. |
WO2008000300A1 (en) * | 2006-06-29 | 2008-01-03 | Tenaris Connections Ag | Seamless precision steel tubes with improved isotropic toughness at low temperature for hydraulic cylinders and process for obtaining the same |
MX2007004600A (es) * | 2007-04-17 | 2008-12-01 | Tubos De Acero De Mexico S A | Un tubo sin costura para la aplicación como secciones verticales de work-over. |
US7862667B2 (en) | 2007-07-06 | 2011-01-04 | Tenaris Connections Limited | Steels for sour service environments |
MX2010005532A (es) * | 2007-11-19 | 2011-02-23 | Tenaris Connections Ltd | Acero bainítico de alta resistencia para aplicaciones octg. |
MX2009012811A (es) * | 2008-11-25 | 2010-05-26 | Maverick Tube Llc | Procesamiento de desbastes delgados o flejes compactos de aceros al boro/titanio. |
EP2325435B2 (de) | 2009-11-24 | 2020-09-30 | Tenaris Connections B.V. | Verschraubung für [ultrahoch] abgedichteten internen und externen Druck |
US9163296B2 (en) | 2011-01-25 | 2015-10-20 | Tenaris Coiled Tubes, Llc | Coiled tube with varying mechanical properties for superior performance and methods to produce the same by a continuous heat treatment |
IT1403689B1 (it) | 2011-02-07 | 2013-10-31 | Dalmine Spa | Tubi in acciaio ad alta resistenza con eccellente durezza a bassa temperatura e resistenza alla corrosione sotto tensioni da solfuri. |
IT1403688B1 (it) | 2011-02-07 | 2013-10-31 | Dalmine Spa | Tubi in acciaio con pareti spesse con eccellente durezza a bassa temperatura e resistenza alla corrosione sotto tensione da solfuri. |
US8636856B2 (en) | 2011-02-18 | 2014-01-28 | Siderca S.A.I.C. | High strength steel having good toughness |
US8414715B2 (en) | 2011-02-18 | 2013-04-09 | Siderca S.A.I.C. | Method of making ultra high strength steel having good toughness |
CN102127698A (zh) * | 2011-02-22 | 2011-07-20 | 中国石油天然气集团公司 | 一种x100钢级弯管和管件的制备方法 |
CN102161148B (zh) * | 2011-02-22 | 2014-06-04 | 中国石油天然气集团公司 | 一种x90钢级弯管和管件的制备方法 |
US9340847B2 (en) | 2012-04-10 | 2016-05-17 | Tenaris Connections Limited | Methods of manufacturing steel tubes for drilling rods with improved mechanical properties, and rods made by the same |
US9970242B2 (en) | 2013-01-11 | 2018-05-15 | Tenaris Connections B.V. | Galling resistant drill pipe tool joint and corresponding drill pipe |
US9187811B2 (en) | 2013-03-11 | 2015-11-17 | Tenaris Connections Limited | Low-carbon chromium steel having reduced vanadium and high corrosion resistance, and methods of manufacturing |
US9803256B2 (en) | 2013-03-14 | 2017-10-31 | Tenaris Coiled Tubes, Llc | High performance material for coiled tubing applications and the method of producing the same |
EP2789701A1 (de) | 2013-04-08 | 2014-10-15 | DALMINE S.p.A. | Hochfeste mittelwandige vergütete und nahtlose Stahlrohre und entsprechendes Verfahren zur Herstellung der Stahlrohre |
EP2789700A1 (de) | 2013-04-08 | 2014-10-15 | DALMINE S.p.A. | Dickwandige vergütete und nahtlose Stahlrohre und entsprechendes Verfahren zur Herstellung der Stahlrohre |
JP6144417B2 (ja) | 2013-06-25 | 2017-06-07 | テナリス・コネクシヨンズ・ベー・ブイ | 高クロム耐熱鋼 |
US11124852B2 (en) | 2016-08-12 | 2021-09-21 | Tenaris Coiled Tubes, Llc | Method and system for manufacturing coiled tubing |
US10434554B2 (en) | 2017-01-17 | 2019-10-08 | Forum Us, Inc. | Method of manufacturing a coiled tubing string |
CN112063918B (zh) * | 2020-07-29 | 2021-09-07 | 江阴兴澄特种钢铁有限公司 | 一种低温高韧性x90钢级热煨弯管用管线钢板及其制造方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB400102A (en) * | 1932-04-21 | 1933-10-19 | Mannesmann Ag | Improvements in and relating to the manufacture of pressure welded containers for withstanding relatively high internal and external pressure |
FR2547750A1 (fr) * | 1983-06-13 | 1984-12-28 | Nippon Kokan Kk | Procede de fabrication de tubes coudes d'acier |
DE3832014A1 (de) * | 1988-09-16 | 1990-03-22 | Mannesmann Ag | Verfahren zur herstellung hochfester nahtloser stahlrohre |
WO1996014445A1 (en) * | 1994-11-04 | 1996-05-17 | Nippon Steel Corporation | Ferritic heat-resistant steel having excellent high temperature strength and process for producing the same |
-
1997
- 1997-12-12 AU AU57482/98A patent/AU5748298A/en not_active Abandoned
- 1997-12-12 US US09/341,722 patent/US20020011284A1/en not_active Abandoned
- 1997-12-12 JP JP53328098A patent/JP2001508131A/ja active Pending
- 1997-12-12 EP EP97953639A patent/EP0954617B1/de not_active Expired - Lifetime
- 1997-12-12 WO PCT/DE1997/002943 patent/WO1998031843A1/de active IP Right Grant
- 1997-12-12 ES ES97953639T patent/ES2159155T3/es not_active Expired - Lifetime
- 1997-12-12 DE DE59704264T patent/DE59704264D1/de not_active Expired - Fee Related
-
1999
- 1999-06-30 NO NO993260A patent/NO993260D0/no not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB400102A (en) * | 1932-04-21 | 1933-10-19 | Mannesmann Ag | Improvements in and relating to the manufacture of pressure welded containers for withstanding relatively high internal and external pressure |
FR2547750A1 (fr) * | 1983-06-13 | 1984-12-28 | Nippon Kokan Kk | Procede de fabrication de tubes coudes d'acier |
DE3832014A1 (de) * | 1988-09-16 | 1990-03-22 | Mannesmann Ag | Verfahren zur herstellung hochfester nahtloser stahlrohre |
WO1996014445A1 (en) * | 1994-11-04 | 1996-05-17 | Nippon Steel Corporation | Ferritic heat-resistant steel having excellent high temperature strength and process for producing the same |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001016391A2 (de) * | 1999-08-30 | 2001-03-08 | V & M Deutschland Gmbh | Verwendung einer stahllegierung zur herstellung hochfester nahtloser stahlrohre |
WO2001016391A3 (de) * | 1999-08-30 | 2001-08-30 | Mannesmann Ag | Verwendung einer stahllegierung zur herstellung hochfester nahtloser stahlrohre |
Also Published As
Publication number | Publication date |
---|---|
AU5748298A (en) | 1998-08-07 |
US20020011284A1 (en) | 2002-01-31 |
DE59704264D1 (de) | 2001-09-13 |
EP0954617B1 (de) | 2001-08-08 |
JP2001508131A (ja) | 2001-06-19 |
ES2159155T3 (es) | 2001-09-16 |
EP0954617A1 (de) | 1999-11-10 |
NO993260L (no) | 1999-06-30 |
NO993260D0 (no) | 1999-06-30 |
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