FR2672904B1 - Acier inoxydable amagnetique a base manganese-chrome resistant a la corrosion sous contrainte, procede de fabrication d'une barre en acier amagnetique de grande longueur. - Google Patents

Acier inoxydable amagnetique a base manganese-chrome resistant a la corrosion sous contrainte, procede de fabrication d'une barre en acier amagnetique de grande longueur.

Info

Publication number
FR2672904B1
FR2672904B1 FR9101743A FR9101743A FR2672904B1 FR 2672904 B1 FR2672904 B1 FR 2672904B1 FR 9101743 A FR9101743 A FR 9101743A FR 9101743 A FR9101743 A FR 9101743A FR 2672904 B1 FR2672904 B1 FR 2672904B1
Authority
FR
France
Prior art keywords
steel
manganese
magnetic
bar
chrome
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR9101743A
Other languages
English (en)
Other versions
FR2672904A1 (fr
Inventor
Bourrat Jean
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.)
Aubert and Duval SA
Original Assignee
Aubert and Duval SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9409716&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2672904(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Aubert and Duval SA filed Critical Aubert and Duval SA
Priority to FR9101743A priority Critical patent/FR2672904B1/fr
Priority to AT92401946T priority patent/ATE164888T1/de
Priority to EP92401946A priority patent/EP0577898B1/fr
Publication of FR2672904A1 publication Critical patent/FR2672904A1/fr
Application granted granted Critical
Publication of FR2672904B1 publication Critical patent/FR2672904B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/16—Drill collars
    • 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
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Forging (AREA)
FR9101743A 1991-02-14 1991-02-14 Acier inoxydable amagnetique a base manganese-chrome resistant a la corrosion sous contrainte, procede de fabrication d'une barre en acier amagnetique de grande longueur. Expired - Fee Related FR2672904B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9101743A FR2672904B1 (fr) 1991-02-14 1991-02-14 Acier inoxydable amagnetique a base manganese-chrome resistant a la corrosion sous contrainte, procede de fabrication d'une barre en acier amagnetique de grande longueur.
AT92401946T ATE164888T1 (de) 1991-02-14 1992-07-07 Rostfreies nicht-magnetisches stahl mit hohem mangan- und chromgehalt, mit hohe widerstandsfähigkeit gegen spannungskorrosion und verwendbar für bohrausrüstungen sowie verfahren zur herstellung von stangen aus diesen stahl
EP92401946A EP0577898B1 (fr) 1991-02-14 1992-07-07 Acier inoxydable amagnétique à haute teneur en manganèse et chrome, résistant à la corrosion sous contrainte et utilisable pour matériels de forage, ainsi que le procédé de fabrication de barres en cet acier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9101743A FR2672904B1 (fr) 1991-02-14 1991-02-14 Acier inoxydable amagnetique a base manganese-chrome resistant a la corrosion sous contrainte, procede de fabrication d'une barre en acier amagnetique de grande longueur.

Publications (2)

Publication Number Publication Date
FR2672904A1 FR2672904A1 (fr) 1992-08-21
FR2672904B1 true FR2672904B1 (fr) 1993-05-07

Family

ID=9409716

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9101743A Expired - Fee Related FR2672904B1 (fr) 1991-02-14 1991-02-14 Acier inoxydable amagnetique a base manganese-chrome resistant a la corrosion sous contrainte, procede de fabrication d'une barre en acier amagnetique de grande longueur.

Country Status (3)

Country Link
EP (1) EP0577898B1 (fr)
AT (1) ATE164888T1 (fr)
FR (1) FR2672904B1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2672904B1 (fr) * 1991-02-14 1993-05-07 Aubert & Duval Acieries Acier inoxydable amagnetique a base manganese-chrome resistant a la corrosion sous contrainte, procede de fabrication d'une barre en acier amagnetique de grande longueur.
FR2744379A1 (fr) * 1996-02-07 1997-08-08 Smf Int Procede de traitement mecanique d'un produit de forme allongee en acier austenitique amagnetique et en particulier d'une masse-tige pour forage petrolier
DE19813459A1 (de) * 1998-03-26 1999-09-30 Mettler Toledo Gmbh Elastisch verformbares Bauteil und Verfahren zu seiner Herstellung
AT407882B (de) * 1999-07-15 2001-07-25 Schoeller Bleckmann Oilfield T Verfahren zur herstellung eines paramagnetischen, korrosionsbeständigen werkstoffes u.dgl. werkstoffe mit hoher dehngrenze, festigkeit und zähigkeit
JP4538966B2 (ja) * 2001-02-05 2010-09-08 大同特殊鋼株式会社 高強度高耐食非磁性ステンレス鋼
JP4379804B2 (ja) * 2004-08-13 2009-12-09 大同特殊鋼株式会社 高窒素オーステナイト系ステンレス鋼
CN101745786B (zh) * 2009-12-31 2012-03-14 上海新闵重型锻造有限公司 一种给水接管及二次侧人孔及其锻造方法
CN108866424A (zh) * 2018-07-13 2018-11-23 广州广钢新材料股份有限公司 一种耐腐蚀螺纹钢及其制备方法
CN110117746B (zh) * 2019-02-01 2021-07-27 上海加宁新材料科技有限公司 一种高性能无磁不锈钢的制造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB779591A (en) * 1954-09-02 1957-07-24 Ford Motor Co Austenitic iron-base alloy
AT214466B (de) * 1959-06-04 1961-04-10 Schoeller Bleckmann Stahlwerke Stahllegierungen zur Herstellung von Schwerstangen für Tiefbohrgestänge
BE754614A (fr) * 1969-12-27 1971-01-18 Nisshin Steel Co Ltd Aciers inoxydables austenitiques
US4450008A (en) * 1982-12-14 1984-05-22 Earle M. Jorgensen Co. Stainless steel
AT381658B (de) * 1985-06-25 1986-11-10 Ver Edelstahlwerke Ag Verfahren zur herstellung von amagnetischen bohrstrangteilen
FR2672904B1 (fr) * 1991-02-14 1993-05-07 Aubert & Duval Acieries Acier inoxydable amagnetique a base manganese-chrome resistant a la corrosion sous contrainte, procede de fabrication d'une barre en acier amagnetique de grande longueur.

Also Published As

Publication number Publication date
ATE164888T1 (de) 1998-04-15
EP0577898B1 (fr) 1998-04-08
EP0577898A1 (fr) 1994-01-12
FR2672904A1 (fr) 1992-08-21

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