ZA836972B - Method and arrangement for bright annealing of metallic workpieces with nitrogen as protective gas - Google Patents

Method and arrangement for bright annealing of metallic workpieces with nitrogen as protective gas

Info

Publication number
ZA836972B
ZA836972B ZA836972A ZA836972A ZA836972B ZA 836972 B ZA836972 B ZA 836972B ZA 836972 A ZA836972 A ZA 836972A ZA 836972 A ZA836972 A ZA 836972A ZA 836972 B ZA836972 B ZA 836972B
Authority
ZA
South Africa
Prior art keywords
protective gas
nitrogen
bright annealing
arrangement
cooling line
Prior art date
Application number
ZA836972A
Other languages
English (en)
Inventor
Gottfried Boehm
Original Assignee
Messer Griesheim Gmbh
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 Messer Griesheim Gmbh filed Critical Messer Griesheim Gmbh
Publication of ZA836972B publication Critical patent/ZA836972B/xx

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
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/613—Gases; Liquefied or solidified normally gaseous material
    • 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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
ZA836972A 1982-09-21 1983-09-20 Method and arrangement for bright annealing of metallic workpieces with nitrogen as protective gas ZA836972B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3234863A DE3234863C2 (de) 1982-09-21 1982-09-21 Verfahren und Vorrichtung zum Blankglühen von metallischen Werkstücken mit Stickstoff als Schutzgas

Publications (1)

Publication Number Publication Date
ZA836972B true ZA836972B (en) 1984-05-30

Family

ID=6173723

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA836972A ZA836972B (en) 1982-09-21 1983-09-20 Method and arrangement for bright annealing of metallic workpieces with nitrogen as protective gas

Country Status (5)

Country Link
US (1) US4515645A (xx)
EP (1) EP0106113B1 (xx)
AT (1) ATE23197T1 (xx)
DE (1) DE3234863C2 (xx)
ZA (1) ZA836972B (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3501463A1 (de) * 1985-01-17 1986-07-17 Linde Ag, 6200 Wiesbaden Verfahren und vorrichtung zur waermebehandlung von werkstuecken
US4643401A (en) * 1985-08-28 1987-02-17 Mg Industries Apparatus for cooling a vacuum furnace
JPH01287221A (ja) * 1988-05-13 1989-11-17 Usui Internatl Ind Co Ltd 金属製長尺材の高周波熱処理方法及びその装置
DE4234285A1 (de) * 1992-10-10 1994-04-14 Heimsoth Verwaltungen Verfahren zur Wärmebehandlung von metallischem Gut
DE19652607A1 (de) * 1996-12-18 1998-06-25 Messer Griesheim Gmbh Verfahren zum kleberfreien Glühen von Buntmetallteilen
EP0949348A1 (de) * 1998-04-09 1999-10-13 Alusuisse Technology & Management AG Verfahren zum kontrollierten Abkühlen eines Bandes oder eines Profils aus einer Aluminiumlegierung
US6228187B1 (en) * 1998-08-19 2001-05-08 Air Liquide America Corp. Apparatus and methods for generating an artificial atmosphere for the heat treating of materials
DE10054765A1 (de) * 2000-11-04 2002-05-16 Messer Griesheim Gmbh Wärmebehandlungsofen mit Tiefkühlsystem
DE102004054627A1 (de) * 2004-11-11 2006-05-18 Linde Ag Vorrichtung zum Kühlen von langen Gegenständen
US20060266793A1 (en) * 2005-05-24 2006-11-30 Caterpillar Inc. Purging system having workpiece movement device
DE102007057855B3 (de) 2007-11-29 2008-10-30 Benteler Automobiltechnik Gmbh Verfahren zur Herstellung eines Formbauteils mit mindestens zwei Gefügebereichen unterschiedlicher Duktilität

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE671046C (de) * 1934-08-30 1939-01-30 Aeg Verfahren zum Abkuehlen von in elektrisch beheizten Blankgluehdurchlaufoefen erhitztem metallischem Gut
FR845086A (fr) * 1938-02-18 1939-08-10 Procédé et dispositif pour le traitement thermique des objets métalliques
US3036825A (en) * 1957-05-17 1962-05-29 Eisenmenger Friedrich Process and apparatus for the continuous heat treating of elongated material
US3189490A (en) * 1962-11-05 1965-06-15 United States Steel Corp Method and apparatus for quenching pipe
US3407099A (en) * 1965-10-22 1968-10-22 United States Steel Corp Method and apparatus for spraying liquids on the surface of cylindrical articles
US3507712A (en) * 1967-09-08 1970-04-21 United States Steel Corp Method and apparatus for quenching pipe
SE7513756L (sv) * 1975-12-05 1977-06-06 Fagersta Ab Sett och anleggning for framstellning av stalgot med liten tversektionsarea
FR2379607A1 (fr) * 1977-02-03 1978-09-01 Vide & Traitement Sa Procede pour le traitement thermique de metaux

Also Published As

Publication number Publication date
DE3234863C2 (de) 1986-04-10
EP0106113A1 (de) 1984-04-25
US4515645A (en) 1985-05-07
EP0106113B1 (de) 1986-10-29
DE3234863A1 (de) 1984-03-22
ATE23197T1 (de) 1986-11-15

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