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EP2255021B1 - Alliage d'acier pour acier faiblement allié destiné à la fabrication de tubes d'acier sans soudure à haute résistance - Google Patents

Alliage d'acier pour acier faiblement allié destiné à la fabrication de tubes d'acier sans soudure à haute résistance Download PDF

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Publication number
EP2255021B1
EP2255021B1 EP09712055A EP09712055A EP2255021B1 EP 2255021 B1 EP2255021 B1 EP 2255021B1 EP 09712055 A EP09712055 A EP 09712055A EP 09712055 A EP09712055 A EP 09712055A EP 2255021 B1 EP2255021 B1 EP 2255021B1
Authority
EP
European Patent Office
Prior art keywords
steel
max
alloy
content
tensile
Prior art date
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Active
Application number
EP09712055A
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German (de)
English (en)
Other versions
EP2255021A2 (fr
Inventor
Christoph Kaucke
Guido Kubla
Heinz Sanders
Charles Stallybrass
André Schneider
Markus Schütz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vallourec Deutschland GmbH
Original Assignee
V&M Deutschland GmbH
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Publication date
Application filed by V&M Deutschland GmbH filed Critical V&M Deutschland GmbH
Priority to PL09712055T priority Critical patent/PL2255021T3/pl
Publication of EP2255021A2 publication Critical patent/EP2255021A2/fr
Application granted granted Critical
Publication of EP2255021B1 publication Critical patent/EP2255021B1/fr
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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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

L'invention concerne un alliage d'acier permettant d'obtenir un acier faiblement allié destiné à la fabrication de tubes d'acier laminés à chaud sans soudure présentant une haute résistance et pouvant être soudés, en particulier des tubes pour la construction. Cet alliage d'acier présente la composition chimique suivante (en % en masse) : C 0,15 - 0,18 %; Si 0,20 - 0,40 %; Mn 1,40 - 1,60 %; P 0,05 % maxi.; S 0,01 % maxi.; Cr > 0,50 - 0,90 %; Mo > 0,50 - 0,80 %; V > 0,10 - 0,15 %; W 0,60 - 1,00 %; N 0,0130 - 0,0220 %; le reste étant du fer et des impuretés résultant de la fusion et un ou plusieurs des éléments parmi Al, Ni, Nb et Ti pouvant être ajoutés optionnellement, à la condition que le rapport V/N présente une valeur comprise entre 4 et 12 et que la teneur en Ni de l'acier ne dépasse pas 0,40 %.

Claims (6)

  1. Alliage d'acier pour un acier faiblement allié destiné à la fabrication de tubes d'acier hautement résistants, soudables, laminés à chaud et sans soudure, en particulier des tubes de construction, présentant la composition chimique suivante (% en masse) :
    0,15 à 0,18 % de C,
    0,20 à 0,40 % de Si,
    1,40 à 1,60 % de Mn,
    0,05 % de P au maximum,
    0,01 % de S au maximum,
    > 0,50 à 0,90 % de Cr,
    > 0,50 à 0,80 % de Mo,
    > 0,10 à 0,15 % de V,
    0,60 à 1,00 % de W,
    0,0130 à 0,0220 % de N,
    la partie restante étant constituée de fer comprenant des impuretés liées à la fusion, avec un apport éventuel d'un ou plusieurs des éléments Al, Ni, Nb et Ti, de sorte que les éléments d'alliage ajoutés en option présentent les teneurs suivantes :
    0,03 % d'A1 au maximum,
    0,40 % de Ni au maximum,
    0,04 % de Nb au maximum,
    0,04 % de Ti au maximum,
    à condition que le rapport V/N présente une valeur de 4 à 12 et que la teneur en Ni de l'acier n'atteigne pas une valeur supérieure à 0,40 %.
  2. Alliage d'acier selon la revendication 1,
    caractérisé en ce que
    la teneur en W se situe dans la plage de 0,7 à 0,9 %.
  3. Alliage d'acier selon l'une quelconque des revendications 1 et 2,
    caractérisé en ce que
    l'apport en Cr, Mo et W s'élève au moins à 1,5 % en poids.
  4. Tube d'acier soudable hautement résistant sans soudure, en particulier tube de construction fabriqué par laminage à chaud, suivi d'un traitement thermique, constitué d'un acier présentant la composition d'alliage suivante :
    0,15 à 0,18 % de C,
    0,20 à 0,40 % de Si,
    1,40 à 1,60 % de Mn,
    0,05 % de P au maximum,
    0,01 % de S au maximum,
    > 0,50 à 0,90 % de Cr,
    > 0,50 à 0,80 % de Mo,
    > 0,10 à 0,15 % de V,
    0,60 à 1,00 % de W,
    0,013 à 0,0220 % de N, avec
    4 ≤ V/N ≤ 12
    la partie restante étant représentée par du fer comprenant des impuretés liées à la fusion, contenant un ou plusieurs des éléments Al, Ni, Nb et Ti, de sorte que les éléments d'alliage ajoutés en option à l'alliage d'acier présentent les teneurs suivante :
    0,03 % d'A1 au maximum,
    0,40 % de Ni au maximum,
    0,04 % de Nb au maximum,
    0,04 % de Ti au maximum,
    et une teneur en Ti de 0,40 % au maximum.
  5. Tube de construction selon la revendication 4, caractérisé en ce que :
    la teneur en W de l'alliage d'acier se situe dans la plage de 0,7 à 0,9 %.
  6. Tube de construction selon la revendication 5, caractérisé en ce que l'apport en Cr, Mo et W s'élève au moins à 1,5 % en poids.
EP09712055A 2008-02-20 2009-01-23 Alliage d'acier pour acier faiblement allié destiné à la fabrication de tubes d'acier sans soudure à haute résistance Active EP2255021B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09712055T PL2255021T3 (pl) 2008-02-20 2009-01-23 Stop stalowy dla stali niskostopowej do wytwarzania rur stalowych bez szwu o wysokiej wytrzymałości

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008010749A DE102008010749A1 (de) 2008-02-20 2008-02-20 Stahllegierung für einen niedrig legierten Stahl zur Herstellung hochfester nahtloser Stahlrohre
PCT/DE2009/000088 WO2009103259A2 (fr) 2008-02-20 2009-01-23 Alliage d'acier pour acier faiblement allié destiné à la fabrication de tubes d'acier sans soudure à haute résistance

Publications (2)

Publication Number Publication Date
EP2255021A2 EP2255021A2 (fr) 2010-12-01
EP2255021B1 true EP2255021B1 (fr) 2011-08-31

Family

ID=40791306

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09712055A Active EP2255021B1 (fr) 2008-02-20 2009-01-23 Alliage d'acier pour acier faiblement allié destiné à la fabrication de tubes d'acier sans soudure à haute résistance

Country Status (14)

Country Link
US (1) US8865061B2 (fr)
EP (1) EP2255021B1 (fr)
JP (1) JP5486515B2 (fr)
KR (1) KR101563604B1 (fr)
CN (1) CN101952472B (fr)
AR (1) AR070612A1 (fr)
AT (1) ATE522634T1 (fr)
DE (1) DE102008010749A1 (fr)
ES (1) ES2372801T3 (fr)
MX (1) MX2010008975A (fr)
PL (1) PL2255021T3 (fr)
RU (1) RU2482211C2 (fr)
UA (1) UA100548C2 (fr)
WO (1) WO2009103259A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010004155A1 (de) * 2010-01-04 2011-07-07 V & M Deutschland GmbH, 40472 Verbindungsanordnung von unter Axialdruck stehenden Hohlprofilen aus Stahl
EP3269837B1 (fr) 2016-07-13 2020-11-04 Vallourec Deutschland GmbH Acier micro allié et procédé de production dudit acier
CN108251747B (zh) * 2018-02-05 2020-01-10 衡阳华菱钢管有限公司 起重机臂架用钢管及其制造方法
CN111020369B (zh) * 2019-10-31 2021-04-23 鞍钢股份有限公司 耐高温95ksi级火驱稠油热采用无缝钢管及制造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3628712A1 (de) 1986-08-23 1988-02-25 Kloeckner Stahl Gmbh Denitrierter, niedriglegierter, hochfester, grubenbestaendiger feinkornbaustahl
DE4446709A1 (de) 1994-12-15 1996-06-27 Mannesmann Ag Verwendung einer Stahllegierung für Konstruktions-Hohlprofile
DE19942641A1 (de) 1999-08-30 2001-03-22 Mannesmann Ag Verwendung einer Stahllegierung zur Herstellung hochfester nahtloser Stahlrohre
WO2001064968A1 (fr) * 2000-03-02 2001-09-07 Sumitomo Metal Industries, Ltd. Cadre de masque d'ecran cathodique couleur, plaque d'acier utile dans ce masque, procede de production de cette plaque, et ecran cathodique couleur dote de ce cadre
FR2823226B1 (fr) * 2001-04-04 2004-02-20 V & M France Acier et tube en acier pour usage a haute temperature
EP1408131A1 (fr) * 2002-09-27 2004-04-14 CARL DAN. PEDDINGHAUS GMBH & CO. KG Composition d'un acier et des pièces à partir de cet acier
RU2243284C2 (ru) * 2002-12-02 2004-12-27 Открытое акционерное общество "Волжский трубный завод" Сталь повышенной коррозионной стойкости и бесшовные трубы, выполненные из нее
DE102005046459B4 (de) * 2005-09-21 2013-11-28 MHP Mannesmann Präzisrohr GmbH Verfahren zur Herstellung von kaltgefertigten Präzisionsstahlrohren

Also Published As

Publication number Publication date
WO2009103259A2 (fr) 2009-08-27
CN101952472A (zh) 2011-01-19
WO2009103259A3 (fr) 2009-11-12
EP2255021A2 (fr) 2010-12-01
KR101563604B1 (ko) 2015-10-27
UA100548C2 (ru) 2013-01-10
US20110315277A1 (en) 2011-12-29
AR070612A1 (es) 2010-04-21
JP5486515B2 (ja) 2014-05-07
JP2011514932A (ja) 2011-05-12
US8865061B2 (en) 2014-10-21
PL2255021T3 (pl) 2012-01-31
ATE522634T1 (de) 2011-09-15
RU2010138609A (ru) 2012-03-27
CN101952472B (zh) 2013-03-06
KR20100122083A (ko) 2010-11-19
ES2372801T3 (es) 2012-01-26
MX2010008975A (es) 2010-11-12
DE102008010749A1 (de) 2009-09-24
RU2482211C2 (ru) 2013-05-20

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