FR2286196A1 - Procede et appareil pour la trempe superficielle de la surface interieure des coudes tubulaires - Google Patents

Procede et appareil pour la trempe superficielle de la surface interieure des coudes tubulaires

Info

Publication number
FR2286196A1
FR2286196A1 FR7528414A FR7528414A FR2286196A1 FR 2286196 A1 FR2286196 A1 FR 2286196A1 FR 7528414 A FR7528414 A FR 7528414A FR 7528414 A FR7528414 A FR 7528414A FR 2286196 A1 FR2286196 A1 FR 2286196A1
Authority
FR
France
Prior art keywords
burner
dia
hardening
surface hardening
elbow
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
FR7528414A
Other languages
English (en)
Other versions
FR2286196B3 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2286196A1 publication Critical patent/FR2286196A1/fr
Application granted granted Critical
Publication of FR2286196B3 publication Critical patent/FR2286196B3/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
    • 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)
FR7528414A 1974-09-25 1975-09-16 Procede et appareil pour la trempe superficielle de la surface interieure des coudes tubulaires Granted FR2286196A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742445678 DE2445678C2 (de) 1974-09-25 1974-09-25 Vorrichtung zum Oberflächenhärten durch örtliches Erhitzen der inneren Randschichten von Rohrbögen

Publications (2)

Publication Number Publication Date
FR2286196A1 true FR2286196A1 (fr) 1976-04-23
FR2286196B3 FR2286196B3 (fr) 1978-05-05

Family

ID=5926635

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7528414A Granted FR2286196A1 (fr) 1974-09-25 1975-09-16 Procede et appareil pour la trempe superficielle de la surface interieure des coudes tubulaires

Country Status (4)

Country Link
CA (1) CA1069418A (fr)
DE (1) DE2445678C2 (fr)
FR (1) FR2286196A1 (fr)
IT (1) IT1047421B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4257831A (en) * 1978-06-12 1981-03-24 Vinzenz Siller Process for the continuous hardening of pump casings
US4298189A (en) * 1978-06-12 1981-11-03 Vinzenz Siller Apparatus for the continuous hardening of pump casings
CN106222365A (zh) * 2016-08-22 2016-12-14 江苏捷凯电力器材有限公司 一种提高输电线路金具的耐磨处理工艺

Also Published As

Publication number Publication date
CA1069418A (fr) 1980-01-08
DE2445678C2 (de) 1984-05-17
DE2445678A1 (de) 1976-04-08
IT1047421B (it) 1980-09-10
FR2286196B3 (fr) 1978-05-05

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