BR8105325A - Processo para recozimento de artigos de metal em uma atmosfera de forno - Google Patents

Processo para recozimento de artigos de metal em uma atmosfera de forno

Info

Publication number
BR8105325A
BR8105325A BR8105325A BR8105325A BR8105325A BR 8105325 A BR8105325 A BR 8105325A BR 8105325 A BR8105325 A BR 8105325A BR 8105325 A BR8105325 A BR 8105325A BR 8105325 A BR8105325 A BR 8105325A
Authority
BR
Brazil
Prior art keywords
recovering metal
metal items
oven atmosphere
oven
atmosphere
Prior art date
Application number
BR8105325A
Other languages
English (en)
Portuguese (pt)
Inventor
Robert Harrison Shay
Thomas Lee Ellison
Original Assignee
Air Prod & Chem
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 Air Prod & Chem filed Critical Air Prod & Chem
Publication of BR8105325A publication Critical patent/BR8105325A/pt

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
    • 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)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
BR8105325A 1980-08-22 1981-08-20 Processo para recozimento de artigos de metal em uma atmosfera de forno BR8105325A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/180,241 US4334938A (en) 1980-08-22 1980-08-22 Inhibited annealing of ferrous metals containing chromium

Publications (1)

Publication Number Publication Date
BR8105325A true BR8105325A (pt) 1982-05-04

Family

ID=22659739

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8105325A BR8105325A (pt) 1980-08-22 1981-08-20 Processo para recozimento de artigos de metal em uma atmosfera de forno

Country Status (9)

Country Link
US (1) US4334938A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0046567B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS57114609A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR850000162B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR8105325A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1176546A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3174564D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
MX (1) MX157365A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA815663B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0730389B2 (ja) * 1986-08-19 1995-04-05 大同特殊鋼株式会社 焼なまし方法
US4744837A (en) * 1987-01-13 1988-05-17 Air Products And Chemicals, Inc. Bright annealing of stainless steels
JPH0234719A (ja) * 1988-07-21 1990-02-05 Fuji Electric Co Ltd 真空遮断器バルブ用ベローズの製造方法
FR2649123B1 (fr) * 1989-06-30 1991-09-13 Air Liquide Procede de traitement thermique de metaux
US5613185A (en) * 1995-06-01 1997-03-18 Air Products And Chemicals, Inc. Atmospheres for extending life of wire mesh belts used in sintering powder metal components
US5772428A (en) * 1996-02-09 1998-06-30 Praxair Technology, Inc. Method and apparatus for heat treatment including H2 /H2 O furnace region control
GB9800528D0 (en) * 1998-01-12 1998-03-11 Boc Group Plc Furnace atmosphere dew point control
AU2001233241A1 (en) 2000-02-03 2001-09-17 Kalina, Alexander Method of preventing nitridation or carburization of metals
US6808680B2 (en) 2000-02-11 2004-10-26 Alexander I. Kalina Method of preventing or stopping sulfuric corrosion of metals
US7247403B2 (en) * 2004-04-21 2007-07-24 Ut-Battelle, Llc Surface modified stainless steels for PEM fuel cell bipolar plates
EP2933357A1 (en) * 2014-04-14 2015-10-21 Haldor Topsøe A/S Enhancing SOEC system lifetime by controlling inlet gas composition
CN111979402B (zh) * 2020-07-31 2022-04-08 山西太钢不锈钢精密带钢有限公司 退火炉炉内气氛控制方法
CN115652250B (zh) * 2022-10-10 2023-06-20 广东工业大学 一种高效高质量渗氮处理方法及其应用

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1789187A (en) * 1929-04-19 1931-01-13 Gen Electric Furnace
GB702837A (en) * 1950-10-25 1954-01-27 Robertshaw Fulton Controls Co Improvements in or relating to the annealing of stainless steel
US3262821A (en) * 1962-10-19 1966-07-26 Kawasaki Steel Co Method for producing cold rolled rimmed steel sheet or strip having non-aging property and superior deep drawability
CA933072A (en) * 1968-04-19 1973-09-04 Armco Steel Corporation Method for controlling the nitriding tendency of aluminium-killed steel
GB1233847A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1968-06-28 1971-06-03
BE794528A (fr) * 1972-02-10 1973-05-16 Commissariat Energie Atomique Procede de protection des aciers contre la corrosion
US4012239A (en) * 1972-11-21 1977-03-15 Union Siserurgique du Nord et de l'Est de la France, par abreviation "USINOR" Process for treating steel sheets for the purpose of enamelling the sheets
US3873377A (en) * 1973-11-21 1975-03-25 Bethlehem Steel Corp Process for improving batch annealed strip surface quality
US3966509A (en) * 1975-01-22 1976-06-29 United States Steel Corporation Method for reducing carbon deposits during box annealing
US4145232A (en) * 1977-06-03 1979-03-20 Union Carbide Corporation Process for carburizing steel
GB1577179A (en) * 1978-05-31 1980-10-22 Boc Ltd Heat treatment of metals
JPS54126624A (en) * 1978-03-09 1979-10-02 Nisshin Steel Co Ltd Bright annealing of stainless steel
US4200477A (en) * 1978-03-16 1980-04-29 Allegheny Ludlum Industries, Inc. Processing for electromagnetic silicon steel
US4175986A (en) * 1978-10-19 1979-11-27 Trw Inc. Inert carrier gas heat treating control process
US4208224A (en) * 1978-11-22 1980-06-17 Airco, Inc. Heat treatment processes utilizing H2 O additions
JPS5582727A (en) * 1978-11-24 1980-06-21 Nisshin Steel Co Ltd Annealing method for stainless steel

Also Published As

Publication number Publication date
JPH0118966B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-04-10
EP0046567A3 (en) 1982-03-17
US4334938A (en) 1982-06-15
KR850000162B1 (ko) 1985-02-28
EP0046567B1 (en) 1986-05-07
MX157365A (es) 1988-11-18
EP0046567A2 (en) 1982-03-03
DE3174564D1 (en) 1986-06-12
JPS57114609A (en) 1982-07-16
ZA815663B (en) 1982-08-25
KR830006446A (ko) 1983-09-24
CA1176546A (en) 1984-10-23

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