FR2610008B1 - - Google Patents

Info

Publication number
FR2610008B1
FR2610008B1 FR8700810A FR8700810A FR2610008B1 FR 2610008 B1 FR2610008 B1 FR 2610008B1 FR 8700810 A FR8700810 A FR 8700810A FR 8700810 A FR8700810 A FR 8700810A FR 2610008 B1 FR2610008 B1 FR 2610008B1
Authority
FR
France
Prior art keywords
manganese
chromium
remainder
iron
nitrogen
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
FR8700810A
Other languages
French (fr)
Other versions
FR2610008A1 (en
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=FR2610008(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed filed Critical
Priority to FR8700810A priority Critical patent/FR2610008A1/en
Priority to ES88400112T priority patent/ES2017790B3/en
Priority to AT88400112T priority patent/ATE54952T1/en
Priority to DE8888400112T priority patent/DE3860343D1/en
Priority to EP88400112A priority patent/EP0277065B1/en
Publication of FR2610008A1 publication Critical patent/FR2610008A1/en
Application granted granted Critical
Publication of FR2610008B1 publication Critical patent/FR2610008B1/fr
Granted 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)
  • Earth Drilling (AREA)
  • Soft Magnetic Materials (AREA)
  • Hard Magnetic Materials (AREA)
  • Heat Treatment Of Steel (AREA)
  • Road Signs Or Road Markings (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Drilling Tools (AREA)
  • Drilling And Boring (AREA)

Abstract

1. A non-magnetic manganese and chromium steel resistant to corrosion under stress in a chlorinated medium, characterized in that it comprises by weight at the most 0.06% carbon, 19-26% manganese, 7-13% chromium, about 0.3% nitrogen and 0.6% silicon and residual nickel and molybdenum contents lower than 0.2% and 0.1% respectively, the remainder being formed by iron, apart from the unavoidable impurities.
FR8700810A 1987-01-23 1987-01-23 AMAGNETIC MANGANESE AND CHROMIUM STEEL AND TUBULAR ELEMENT OF A BOREHOLE MADE IN THIS STEEL Granted FR2610008A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR8700810A FR2610008A1 (en) 1987-01-23 1987-01-23 AMAGNETIC MANGANESE AND CHROMIUM STEEL AND TUBULAR ELEMENT OF A BOREHOLE MADE IN THIS STEEL
ES88400112T ES2017790B3 (en) 1987-01-23 1988-01-19 MAGNETIC STEEL TO MANGANESE AND CHROME AND TUBULAR ELEMENT OF A TIMING COLUMN MADE OF STEEL.
AT88400112T ATE54952T1 (en) 1987-01-23 1988-01-19 NON-MAGNETIC MANGANESE-CHROMIUM STEEL AND TUBULAR ELEMENT MADE THEREOF OF A DRILL.
DE8888400112T DE3860343D1 (en) 1987-01-23 1988-01-19 MAGNETIC MANGANESE CHROME STEEL AND A TUBE-ELEMENT OF A DRILL TOWER MADE THEREOF.
EP88400112A EP0277065B1 (en) 1987-01-23 1988-01-19 Non-magnetic manganese-chromium steel and tubular element of a drilling column made from this steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8700810A FR2610008A1 (en) 1987-01-23 1987-01-23 AMAGNETIC MANGANESE AND CHROMIUM STEEL AND TUBULAR ELEMENT OF A BOREHOLE MADE IN THIS STEEL

Publications (2)

Publication Number Publication Date
FR2610008A1 FR2610008A1 (en) 1988-07-29
FR2610008B1 true FR2610008B1 (en) 1993-02-26

Family

ID=9347222

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8700810A Granted FR2610008A1 (en) 1987-01-23 1987-01-23 AMAGNETIC MANGANESE AND CHROMIUM STEEL AND TUBULAR ELEMENT OF A BOREHOLE MADE IN THIS STEEL

Country Status (5)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2001155C1 (en) * 1992-01-29 1993-10-15 Научно-производственное предпри тие "Салма" Cast austenite steel
AT397968B (en) * 1992-07-07 1994-08-25 Boehler Ybbstalwerke CORROSION-RESISTANT ALLOY FOR USE AS A MATERIAL FOR PARTS IN CONTACT WITH LIFE
FR3008636B1 (en) 2013-07-18 2015-08-07 Air Liquide Welding France FLUX AND PROCESS FOR SUBMERGED ARC WELDING OF HIGH CHROMIUM STEEL

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE728159C (en) * 1936-10-09 1942-11-21 Boehler & Co Ag Geb Chrome-manganese-nitrogen steel
AT214466B (en) * 1959-06-04 1961-04-10 Schoeller Bleckmann Stahlwerke Steel alloys for the manufacture of drill collars for deep drill rods
AT233038B (en) * 1961-10-18 1964-04-25 Schoeller Bleckmann Stahlwerke Austenitic, corrosion-resistant chromium-manganese-nitrogen steels for the production of objects that are resistant to stress corrosion cracking
US4450008A (en) * 1982-12-14 1984-05-22 Earle M. Jorgensen Co. Stainless steel

Also Published As

Publication number Publication date
EP0277065A3 (en) 1988-08-10
ATE54952T1 (en) 1990-08-15
FR2610008A1 (en) 1988-07-29
DE3860343D1 (en) 1990-08-30
ES2017790B3 (en) 1991-03-01
EP0277065B1 (en) 1990-07-25
EP0277065A2 (en) 1988-08-03

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Legal Events

Date Code Title Description
ST Notification of lapse