AT285645B - Process for the surface hardening of a pipe and machines for carrying out the process - Google Patents

Process for the surface hardening of a pipe and machines for carrying out the process

Info

Publication number
AT285645B
AT285645B AT689768A AT689768A AT285645B AT 285645 B AT285645 B AT 285645B AT 689768 A AT689768 A AT 689768A AT 689768 A AT689768 A AT 689768A AT 285645 B AT285645 B AT 285645B
Authority
AT
Austria
Prior art keywords
machines
pipe
carrying
surface hardening
hardening
Prior art date
Application number
AT689768A
Other languages
German (de)
Inventor
Robert Dr Pribyl
Original Assignee
Voest 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 Voest Ag filed Critical Voest Ag
Priority to AT689768A priority Critical patent/AT285645B/en
Priority to CH929069A priority patent/CH531047A/en
Priority to JP5208269A priority patent/JPS4833483B1/ja
Priority to DE19691933772 priority patent/DE1933772B2/en
Priority to FR6924330A priority patent/FR2013188A1/en
Application granted granted Critical
Publication of AT285645B publication Critical patent/AT285645B/en

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

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)
AT689768A 1968-07-18 1968-07-18 Process for the surface hardening of a pipe and machines for carrying out the process AT285645B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT689768A AT285645B (en) 1968-07-18 1968-07-18 Process for the surface hardening of a pipe and machines for carrying out the process
CH929069A CH531047A (en) 1968-07-18 1969-06-18 Process for surface hardening a pipe and machine for carrying out the process
JP5208269A JPS4833483B1 (en) 1968-07-18 1969-07-02
DE19691933772 DE1933772B2 (en) 1968-07-18 1969-07-03 DEVICE FOR PROGRESSIVE SURFACE HARDENING OF PIPES
FR6924330A FR2013188A1 (en) 1968-07-18 1969-07-17 Surface hardening of tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT689768A AT285645B (en) 1968-07-18 1968-07-18 Process for the surface hardening of a pipe and machines for carrying out the process

Publications (1)

Publication Number Publication Date
AT285645B true AT285645B (en) 1970-11-10

Family

ID=3590859

Family Applications (1)

Application Number Title Priority Date Filing Date
AT689768A AT285645B (en) 1968-07-18 1968-07-18 Process for the surface hardening of a pipe and machines for carrying out the process

Country Status (5)

Country Link
JP (1) JPS4833483B1 (en)
AT (1) AT285645B (en)
CH (1) CH531047A (en)
DE (1) DE1933772B2 (en)
FR (1) FR2013188A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3412525A1 (en) * 1984-04-04 1985-10-17 Esser-Brieden GmbH & Co KG, 4788 Warstein Process for flame-hardening of the inner pipe of a double-layer pipe

Also Published As

Publication number Publication date
DE1933772A1 (en) 1970-01-22
DE1933772B2 (en) 1976-10-14
CH531047A (en) 1972-11-30
JPS4833483B1 (en) 1973-10-15
FR2013188A1 (en) 1970-03-27

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee