FR2133828A1 - Manufacture of nickel-chromium-iron alloy objects - which are resistant to intercrystalline corrosion - Google Patents

Manufacture of nickel-chromium-iron alloy objects - which are resistant to intercrystalline corrosion

Info

Publication number
FR2133828A1
FR2133828A1 FR7213477A FR7213477A FR2133828A1 FR 2133828 A1 FR2133828 A1 FR 2133828A1 FR 7213477 A FR7213477 A FR 7213477A FR 7213477 A FR7213477 A FR 7213477A FR 2133828 A1 FR2133828 A1 FR 2133828A1
Authority
FR
France
Prior art keywords
chromium
nickel
resistant
manufacture
iron alloy
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.)
Withdrawn
Application number
FR7213477A
Other languages
French (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.)
Vodafone GmbH
Original Assignee
Mannesmann AG
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 Mannesmann AG filed Critical Mannesmann AG
Publication of FR2133828A1 publication Critical patent/FR2133828A1/en
Withdrawn legal-status Critical Current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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys

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)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)

Abstract

The alloys contain >=20% Ni. The objects are cold formed and are briefly annealed after each forming operation to obtain a fine distribution of carbides. The annealing is carried out at a temp. between the recrystallisation temp. and the dissolution temp., pref. 900 degrees C.
FR7213477A 1971-04-19 1972-04-17 Manufacture of nickel-chromium-iron alloy objects - which are resistant to intercrystalline corrosion Withdrawn FR2133828A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712119669 DE2119669A1 (en) 1971-04-19 1971-04-19 PROCESS FOR MANUFACTURING OBJECTS MADE FROM NICKEL-CHROME IRON ALLOYS THAT ARE RESISTANT TO INTER-CRYSTALLINE CORROSION

Publications (1)

Publication Number Publication Date
FR2133828A1 true FR2133828A1 (en) 1972-12-01

Family

ID=5805565

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7213477A Withdrawn FR2133828A1 (en) 1971-04-19 1972-04-17 Manufacture of nickel-chromium-iron alloy objects - which are resistant to intercrystalline corrosion

Country Status (3)

Country Link
DE (1) DE2119669A1 (en)
FR (1) FR2133828A1 (en)
IT (1) IT951858B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0011152A1 (en) * 1978-11-13 1980-05-28 Combustion Engineering, Inc. Thermal homogenization of steam generating tubing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0011152A1 (en) * 1978-11-13 1980-05-28 Combustion Engineering, Inc. Thermal homogenization of steam generating tubing

Also Published As

Publication number Publication date
IT951858B (en) 1973-07-10
DE2119669A1 (en) 1973-06-07

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Legal Events

Date Code Title Description
RE Withdrawal of published application
ST Notification of lapse
AR Application made for restoration