DE69909535D1 - Method and device for controlling the dew point of an oven atmosphere - Google Patents

Method and device for controlling the dew point of an oven atmosphere

Info

Publication number
DE69909535D1
DE69909535D1 DE69909535T DE69909535T DE69909535D1 DE 69909535 D1 DE69909535 D1 DE 69909535D1 DE 69909535 T DE69909535 T DE 69909535T DE 69909535 T DE69909535 T DE 69909535T DE 69909535 D1 DE69909535 D1 DE 69909535D1
Authority
DE
Germany
Prior art keywords
controlling
dew point
oven atmosphere
oven
atmosphere
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.)
Expired - Lifetime
Application number
DE69909535T
Other languages
German (de)
Inventor
Paul Francis Stratton
John Morris
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.)
BOC Group Ltd
Original Assignee
BOC Group 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 BOC Group Ltd filed Critical BOC Group Ltd
Application granted granted Critical
Publication of DE69909535D1 publication Critical patent/DE69909535D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere
    • 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
    • C21D11/00—Process control or regulation for heat treatments
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/002—Heat treatment of ferrous alloys containing Cr

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)
  • Furnace Details (AREA)
DE69909535T 1998-01-12 1999-01-04 Method and device for controlling the dew point of an oven atmosphere Expired - Lifetime DE69909535D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9800528.3A GB9800528D0 (en) 1998-01-12 1998-01-12 Furnace atmosphere dew point control

Publications (1)

Publication Number Publication Date
DE69909535D1 true DE69909535D1 (en) 2003-08-21

Family

ID=10825118

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69909535T Expired - Lifetime DE69909535D1 (en) 1998-01-12 1999-01-04 Method and device for controlling the dew point of an oven atmosphere

Country Status (4)

Country Link
EP (1) EP0928834B1 (en)
DE (1) DE69909535D1 (en)
GB (1) GB9800528D0 (en)
ZA (1) ZA989957B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10255590A1 (en) * 2002-11-28 2004-06-17 Messer Griesheim Gmbh Process for glue-free annealing of metal parts
JP2005120448A (en) * 2003-10-17 2005-05-12 Chugai Ro Co Ltd Method for controlling bright annealing furnace
DE102010032919B4 (en) * 2010-07-30 2023-10-05 Air Liquide Deutschland Gmbh Method and device for humidifying a combustible gas

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4334938A (en) * 1980-08-22 1982-06-15 Air Products And Chemicals, Inc. Inhibited annealing of ferrous metals containing chromium
JPS58126930A (en) * 1982-01-22 1983-07-28 Kawasaki Steel Corp Surface luster adjusting method in bright annealing of stainless band steel
DE3526055C1 (en) * 1985-07-20 1986-03-27 Krupp Stahl Ag, 4630 Bochum Process for producing hydrogen/nitrogen blanketing gas mixtures for annealing cold-rolled steel strip
US4744837A (en) * 1987-01-13 1988-05-17 Air Products And Chemicals, Inc. Bright annealing of stainless steels

Also Published As

Publication number Publication date
GB9800528D0 (en) 1998-03-11
ZA989957B (en) 1999-05-06
EP0928834A1 (en) 1999-07-14
EP0928834B1 (en) 2003-07-16

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Legal Events

Date Code Title Description
8332 No legal effect for de