FR2355083A1 - Procede de fabrication de pieces en acier allie a caracteristiques mecaniques tres elevees resistant a la fissuration en presence d'hydrogene et pieces obtenues par ce procede - Google Patents

Procede de fabrication de pieces en acier allie a caracteristiques mecaniques tres elevees resistant a la fissuration en presence d'hydrogene et pieces obtenues par ce procede

Info

Publication number
FR2355083A1
FR2355083A1 FR7618251A FR7618251A FR2355083A1 FR 2355083 A1 FR2355083 A1 FR 2355083A1 FR 7618251 A FR7618251 A FR 7618251A FR 7618251 A FR7618251 A FR 7618251A FR 2355083 A1 FR2355083 A1 FR 2355083A1
Authority
FR
France
Prior art keywords
parts
hydrogen
high mechanical
mechanical characteristics
cracking
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.)
Granted
Application number
FR7618251A
Other languages
English (en)
Other versions
FR2355083B1 (fr
Inventor
L Bretin
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.)
Creusot Loire SA
Original Assignee
Creusot Loire 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
Application filed by Creusot Loire SA filed Critical Creusot Loire SA
Priority to FR7618251A priority Critical patent/FR2355083A1/fr
Priority to DE19772720805 priority patent/DE2720805C2/de
Priority to JP7157777A priority patent/JPS52153822A/ja
Publication of FR2355083A1 publication Critical patent/FR2355083A1/fr
Application granted granted Critical
Publication of FR2355083B1 publication Critical patent/FR2355083B1/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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Catalysts (AREA)

Abstract

L'invention a pour objet un procédé de fabrication de pièces en acier allié à hautes caractéristiques mécaniques et résistant à la fissuration par corrosion sous tension en présence d'hydrogène et les pièces obtenues par le procédé. Selon l'invention, on utilise un acier ayant en poids la composition suivante :
FR7618251A 1976-06-16 1976-06-16 Procede de fabrication de pieces en acier allie a caracteristiques mecaniques tres elevees resistant a la fissuration en presence d'hydrogene et pieces obtenues par ce procede Granted FR2355083A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7618251A FR2355083A1 (fr) 1976-06-16 1976-06-16 Procede de fabrication de pieces en acier allie a caracteristiques mecaniques tres elevees resistant a la fissuration en presence d'hydrogene et pieces obtenues par ce procede
DE19772720805 DE2720805C2 (de) 1976-06-16 1977-05-09 Verfahren zur Herstellung von Werkstücken aus legiertem Stahl
JP7157777A JPS52153822A (en) 1976-06-16 1977-06-16 Production of alloy steel articles and products obtained by this process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7618251A FR2355083A1 (fr) 1976-06-16 1976-06-16 Procede de fabrication de pieces en acier allie a caracteristiques mecaniques tres elevees resistant a la fissuration en presence d'hydrogene et pieces obtenues par ce procede

Publications (2)

Publication Number Publication Date
FR2355083A1 true FR2355083A1 (fr) 1978-01-13
FR2355083B1 FR2355083B1 (fr) 1979-05-18

Family

ID=9174462

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7618251A Granted FR2355083A1 (fr) 1976-06-16 1976-06-16 Procede de fabrication de pieces en acier allie a caracteristiques mecaniques tres elevees resistant a la fissuration en presence d'hydrogene et pieces obtenues par ce procede

Country Status (3)

Country Link
JP (1) JPS52153822A (fr)
DE (1) DE2720805C2 (fr)
FR (1) FR2355083A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2445888A1 (fr) * 1979-01-08 1980-08-01 Republic Steel Corp Procede de fabrication d'un tubage de puits et ce tubage

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3616098C1 (en) * 1986-05-13 1987-07-16 Saarstahl Voelklingen Gmbh Process for increasing the toughness of martensite-hardenable steels

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1077011A (fr) * 1953-03-07 1954-11-03 Hauts Fourneaux Sa Tube de sondage pétrolifère et procédé pour sa fabrication
US2895861A (en) * 1957-05-28 1959-07-21 Creusot Forges Ateliers Process for improving stress corrosion cracking resistance of alloyed steel in hydrogen sulphide atmosphere

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2445888A1 (fr) * 1979-01-08 1980-08-01 Republic Steel Corp Procede de fabrication d'un tubage de puits et ce tubage

Also Published As

Publication number Publication date
FR2355083B1 (fr) 1979-05-18
JPS52153822A (en) 1977-12-21
DE2720805C2 (de) 1983-03-03
DE2720805A1 (de) 1978-03-09

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Legal Events

Date Code Title Description
ST Notification of lapse