FR2378863A1 - Procede et appareil pour refroidir la surface interieure d'un tuyau metallique - Google Patents

Procede et appareil pour refroidir la surface interieure d'un tuyau metallique

Info

Publication number
FR2378863A1
FR2378863A1 FR7702425A FR7702425A FR2378863A1 FR 2378863 A1 FR2378863 A1 FR 2378863A1 FR 7702425 A FR7702425 A FR 7702425A FR 7702425 A FR7702425 A FR 7702425A FR 2378863 A1 FR2378863 A1 FR 2378863A1
Authority
FR
France
Prior art keywords
pipe
cooling
internal surface
metal pipe
hardening
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
FR7702425A
Other languages
English (en)
French (fr)
Other versions
FR2378863B1 (cg-RX-API-DMAC10.html
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.)
JFE Engineering Corp
Original Assignee
Nippon Kokan Ltd
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 Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Priority to FR7702425A priority Critical patent/FR2378863A1/fr
Publication of FR2378863A1 publication Critical patent/FR2378863A1/fr
Application granted granted Critical
Publication of FR2378863B1 publication Critical patent/FR2378863B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • C21D1/62—Quenching devices
    • C21D1/667—Quenching devices for spray quenching
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C21D9/085—Cooling or quenching

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
FR7702425A 1977-01-28 1977-01-28 Procede et appareil pour refroidir la surface interieure d'un tuyau metallique Granted FR2378863A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7702425A FR2378863A1 (fr) 1977-01-28 1977-01-28 Procede et appareil pour refroidir la surface interieure d'un tuyau metallique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7702425A FR2378863A1 (fr) 1977-01-28 1977-01-28 Procede et appareil pour refroidir la surface interieure d'un tuyau metallique

Publications (2)

Publication Number Publication Date
FR2378863A1 true FR2378863A1 (fr) 1978-08-25
FR2378863B1 FR2378863B1 (cg-RX-API-DMAC10.html) 1979-09-28

Family

ID=9186020

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7702425A Granted FR2378863A1 (fr) 1977-01-28 1977-01-28 Procede et appareil pour refroidir la surface interieure d'un tuyau metallique

Country Status (1)

Country Link
FR (1) FR2378863A1 (cg-RX-API-DMAC10.html)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR819202A (fr) * 1936-06-19 1937-10-13 Air Liquide Procédé et appareil pour la trempe de pièces cylindriques disposées verticalement

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR819202A (fr) * 1936-06-19 1937-10-13 Air Liquide Procédé et appareil pour la trempe de pièces cylindriques disposées verticalement

Also Published As

Publication number Publication date
FR2378863B1 (cg-RX-API-DMAC10.html) 1979-09-28

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Legal Events

Date Code Title Description
ST Notification of lapse