DE3860343D1 - Amagnetischer mangan-chrom-stahl und daraus hergestelltes roehrenfoermiges element eines bohrturms. - Google Patents

Amagnetischer mangan-chrom-stahl und daraus hergestelltes roehrenfoermiges element eines bohrturms.

Info

Publication number
DE3860343D1
DE3860343D1 DE8888400112T DE3860343T DE3860343D1 DE 3860343 D1 DE3860343 D1 DE 3860343D1 DE 8888400112 T DE8888400112 T DE 8888400112T DE 3860343 T DE3860343 T DE 3860343T DE 3860343 D1 DE3860343 D1 DE 3860343D1
Authority
DE
Germany
Prior art keywords
tube
chrome steel
magnetic manganese
drill tower
tower made
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
DE8888400112T
Other languages
English (en)
Inventor
Jean-Paul Houvion
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.)
SMF International
Original Assignee
SMF International
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=9347222&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3860343(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by SMF International filed Critical SMF International
Application granted granted Critical
Publication of DE3860343D1 publication Critical patent/DE3860343D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Earth Drilling (AREA)
  • Hard Magnetic Materials (AREA)
  • Road Signs Or Road Markings (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Heat Treatment Of Steel (AREA)
  • Drilling And Boring (AREA)
  • Drilling Tools (AREA)
DE8888400112T 1987-01-23 1988-01-19 Amagnetischer mangan-chrom-stahl und daraus hergestelltes roehrenfoermiges element eines bohrturms. Expired - Fee Related DE3860343D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8700810A FR2610008A1 (fr) 1987-01-23 1987-01-23 Acier amagnetique au manganese et au chrome et element tubulaire d'une colonne de forage realise en cet acier

Publications (1)

Publication Number Publication Date
DE3860343D1 true DE3860343D1 (de) 1990-08-30

Family

ID=9347222

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888400112T Expired - Fee Related DE3860343D1 (de) 1987-01-23 1988-01-19 Amagnetischer mangan-chrom-stahl und daraus hergestelltes roehrenfoermiges element eines bohrturms.

Country Status (5)

Country Link
EP (1) EP0277065B1 (de)
AT (1) ATE54952T1 (de)
DE (1) DE3860343D1 (de)
ES (1) ES2017790B3 (de)
FR (1) FR2610008A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2001155C1 (ru) * 1992-01-29 1993-10-15 Научно-производственное предпри тие "Салма" Лита аустенитна сталь
AT397968B (de) * 1992-07-07 1994-08-25 Boehler Ybbstalwerke Korrosionsbeständige legierung zur verwendung als werkstoff für in berührungskontakt mit lebewesen stehende teile
FR3008636B1 (fr) 2013-07-18 2015-08-07 Air Liquide Welding France Flux et procede de soudage a l'arc submerge des aciers a forte teneur en chrome

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE728159C (de) * 1936-10-09 1942-11-21 Boehler & Co Ag Geb Chrom-Mangan-Stickstoff-Stahl
AT214466B (de) * 1959-06-04 1961-04-10 Schoeller Bleckmann Stahlwerke Stahllegierungen zur Herstellung von Schwerstangen für Tiefbohrgestänge
AT233038B (de) * 1961-10-18 1964-04-25 Schoeller Bleckmann Stahlwerke Austenitische, korrosionsbeständige Chrom-Mangan-Stickstoff-Stähle zur Herstellung von gegen Spannungsrißkorrosion beständigen Gegenständen
US4450008A (en) * 1982-12-14 1984-05-22 Earle M. Jorgensen Co. Stainless steel

Also Published As

Publication number Publication date
ES2017790B3 (es) 1991-03-01
ATE54952T1 (de) 1990-08-15
EP0277065A3 (en) 1988-08-10
FR2610008A1 (fr) 1988-07-29
EP0277065A2 (de) 1988-08-03
EP0277065B1 (de) 1990-07-25
FR2610008B1 (de) 1993-02-26

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee