ZA815663B - Inhibited annealing of ferrous metals containing chromium - Google Patents
Inhibited annealing of ferrous metals containing chromiumInfo
- Publication number
- ZA815663B ZA815663B ZA815663A ZA815663A ZA815663B ZA 815663 B ZA815663 B ZA 815663B ZA 815663 A ZA815663 A ZA 815663A ZA 815663 A ZA815663 A ZA 815663A ZA 815663 B ZA815663 B ZA 815663B
- Authority
- ZA
- South Africa
- Prior art keywords
- inhibited
- annealing
- ferrous metals
- containing chromium
- metals containing
- Prior art date
Links
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title 1
- 238000000137 annealing Methods 0.000 title 1
- 229910052804 chromium Inorganic materials 0.000 title 1
- 239000011651 chromium Substances 0.000 title 1
- -1 ferrous metals Chemical class 0.000 title 1
- 229910052751 metal Inorganic materials 0.000 title 1
- 239000002184 metal Substances 0.000 title 1
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)
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 |
|---|---|
| ZA815663B true ZA815663B (en) | 1982-08-25 |
Family
ID=22659739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA815663A ZA815663B (en) | 1980-08-22 | 1981-08-17 | Inhibited annealing of ferrous metals containing chromium |
Country Status (9)
Families Citing this family (13)
| 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 |
| US6482272B2 (en) | 2000-02-03 | 2002-11-19 | Alexander I. Kalina | 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)
| 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 |
-
1980
- 1980-08-22 US US06/180,241 patent/US4334938A/en not_active Expired - Lifetime
-
1981
- 1981-08-04 CA CA000383120A patent/CA1176546A/en not_active Expired
- 1981-08-17 ZA ZA815663A patent/ZA815663B/xx unknown
- 1981-08-18 EP EP81106416A patent/EP0046567B1/en not_active Expired
- 1981-08-18 DE DE8181106416T patent/DE3174564D1/de not_active Expired
- 1981-08-19 JP JP56129659A patent/JPS57114609A/ja active Granted
- 1981-08-20 BR BR8105325A patent/BR8105325A/pt unknown
- 1981-08-21 KR KR1019810003048A patent/KR850000162B1/ko not_active Expired
- 1981-08-21 MX MX81188857A patent/MX157365A/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0046567A2 (en) | 1982-03-03 |
| MX157365A (es) | 1988-11-18 |
| BR8105325A (pt) | 1982-05-04 |
| US4334938A (en) | 1982-06-15 |
| DE3174564D1 (en) | 1986-06-12 |
| EP0046567B1 (en) | 1986-05-07 |
| EP0046567A3 (en) | 1982-03-17 |
| KR830006446A (ko) | 1983-09-24 |
| JPH0118966B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-04-10 |
| JPS57114609A (en) | 1982-07-16 |
| CA1176546A (en) | 1984-10-23 |
| KR850000162B1 (ko) | 1985-02-28 |
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