NO810242L - Rn fremgangsmaate for dekarburisering av krom-holdige stoepeje - Google Patents
Rn fremgangsmaate for dekarburisering av krom-holdige stoepejeInfo
- Publication number
- NO810242L NO810242L NO810242A NO810242A NO810242L NO 810242 L NO810242 L NO 810242L NO 810242 A NO810242 A NO 810242A NO 810242 A NO810242 A NO 810242A NO 810242 L NO810242 L NO 810242L
- Authority
- NO
- Norway
- Prior art keywords
- oxygen
- cast iron
- chromium
- decarburization
- bath
- Prior art date
Links
- 238000005261 decarburization Methods 0.000 title claims abstract description 19
- 230000002265 prevention Effects 0.000 title 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000001301 oxygen Substances 0.000 claims abstract description 48
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 48
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 36
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 34
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 31
- 239000011651 chromium Substances 0.000 claims abstract description 28
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 26
- 230000008569 process Effects 0.000 claims abstract description 24
- 239000000839 emulsion Substances 0.000 claims abstract description 20
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 4
- 229910001018 Cast iron Inorganic materials 0.000 claims description 54
- 239000007789 gas Substances 0.000 claims description 21
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 11
- 238000007664 blowing Methods 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 239000011572 manganese Substances 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- 230000009471 action Effects 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 27
- 239000002184 metal Substances 0.000 abstract description 27
- 238000007792 addition Methods 0.000 abstract description 7
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 abstract description 4
- 229910018487 Ni—Cr Inorganic materials 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010935 stainless steel Substances 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 229910000805 Pig iron Inorganic materials 0.000 abstract 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract 1
- 229910001882 dioxygen Inorganic materials 0.000 abstract 1
- 229910001120 nichrome Inorganic materials 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000002893 slag Substances 0.000 description 23
- 239000012071 phase Substances 0.000 description 18
- 229910001338 liquidmetal Inorganic materials 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 7
- 229910000423 chromium oxide Inorganic materials 0.000 description 7
- 238000006722 reduction reaction Methods 0.000 description 7
- 230000009467 reduction Effects 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000009628 steelmaking Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000007792 gaseous phase Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 235000000396 iron Nutrition 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical class [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000604 Ferrochrome Inorganic materials 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- MFJNMOFNZSZVAP-UHFFFAOYSA-N magnesium chromium(3+) oxygen(2-) Chemical compound [O-2].[Mg+2].[Cr+3] MFJNMOFNZSZVAP-UHFFFAOYSA-N 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 229910003455 mixed metal oxide Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010405 reoxidation reaction Methods 0.000 description 1
- -1 silicon Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising
- C21C7/0685—Decarburising of stainless steel
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/005—Manufacture of stainless steel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Continuous Casting (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Control Of El Displays (AREA)
- Adornments (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Pinball Game Machines (AREA)
- Mold Materials And Core Materials (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8001809A FR2474531B1 (fr) | 1980-01-24 | 1980-01-24 | Procede de decarburation des fontes au chrome, pour l'elaboration d'aciers inoxydables, par jet d'oxygene supersonique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO810242L true NO810242L (no) | 1981-07-27 |
Family
ID=9237950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO810242A NO810242L (no) | 1980-01-24 | 1981-01-23 | Rn fremgangsmaate for dekarburisering av krom-holdige stoepeje |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US4324584A (sv) |
| EP (1) | EP0033289B1 (sv) |
| JP (1) | JPS56116814A (sv) |
| AT (1) | ATE10508T1 (sv) |
| AU (1) | AU531039B2 (sv) |
| BR (1) | BR8100314A (sv) |
| CA (1) | CA1154967A (sv) |
| DE (1) | DE3167358D1 (sv) |
| ES (1) | ES8200725A1 (sv) |
| FI (1) | FI68862C (sv) |
| FR (1) | FR2474531B1 (sv) |
| IN (1) | IN153729B (sv) |
| NO (1) | NO810242L (sv) |
| PH (1) | PH16313A (sv) |
| SU (1) | SU1170974A3 (sv) |
| TR (1) | TR21061A (sv) |
| YU (1) | YU9681A (sv) |
| ZA (1) | ZA81411B (sv) |
| ZW (1) | ZW1281A1 (sv) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2540519A2 (fr) * | 1980-08-26 | 1984-08-10 | Ugine Aciers | Buse d'injection d'oxygene a jet supersonique stabilise pour la decarburation des fontes et, en particulier, des fontes au chrome |
| FR2489368A1 (fr) * | 1980-08-26 | 1982-03-05 | Ugine Aciers | Nouvelle buse pour lance d'injection d'oxygene pour la decarburation des fontes et application a la decarburation des fontes au chrome |
| JPS59145717A (ja) * | 1983-02-04 | 1984-08-21 | ユジンヌ・アシエ | 鋳鉄，特にクロム鋳鉄を脱炭するための安定した超音速流を噴出する酸素噴射ノズル |
| US5474737A (en) * | 1993-07-01 | 1995-12-12 | The United States Of America As Represented By The Secretary Of Commerce | Alloys for cryogenic service |
| JP3167888B2 (ja) * | 1995-07-27 | 2001-05-21 | 川崎製鉄株式会社 | 含クロム溶鋼の脱炭精錬方法及び精錬ガス用上吹ランス |
| WO2010107859A2 (en) * | 2009-03-19 | 2010-09-23 | Massachusetts Institute Of Technology | Method of refining the grain structure of alloys |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1309507A (fr) * | 1960-11-18 | 1962-11-16 | Union Carbide Corp | Procédé de décarburation des aciers à teneur élevée en chrome |
| FR1407182A (fr) * | 1963-06-25 | 1965-07-30 | Allegheny Ludlum Steel | Perfectionnements aux procédés de fabrication d'aciers résistants à la corrosion |
| US3575696A (en) * | 1968-09-19 | 1971-04-20 | Jones & Laughlin Steel Corp | Process for controlling the manufacture of high-chromium steels |
| US3507642A (en) * | 1969-06-02 | 1970-04-21 | Allegheny Ludlum Steel | Process for producing corrosion resistant steel |
| BE778449A (fr) * | 1971-02-16 | 1972-05-16 | Krupp Ag Huettenwerke | Procede pour l'acceleration de reaction metallurgiques et dispositif pour la mise en oeuvre du procede |
| US3793002A (en) * | 1971-10-14 | 1974-02-19 | Siderurgie Fse Inst Rech | Method of introducing a combustible auxiliary liquid into blast furnace and a tuyere for carrying out the method |
| FR2267376B1 (sv) * | 1974-04-11 | 1977-06-24 | Creusot Loire | |
| DE2651922C3 (de) * | 1976-11-13 | 1979-06-21 | Stahlwerke Peine-Salzgitter Ag, 3150 Peine | Verfahren zum Steuern des Frischablaufs beim Frischen von Roheisen |
-
1980
- 1980-01-24 FR FR8001809A patent/FR2474531B1/fr not_active Expired
- 1980-12-04 PH PH24944A patent/PH16313A/en unknown
- 1980-12-05 IN IN1349/CAL/80A patent/IN153729B/en unknown
- 1980-12-31 US US06/221,903 patent/US4324584A/en not_active Expired - Fee Related
-
1981
- 1981-01-13 TR TR21061A patent/TR21061A/xx unknown
- 1981-01-16 YU YU00096/81A patent/YU9681A/xx unknown
- 1981-01-19 SU SU813229959A patent/SU1170974A3/ru active
- 1981-01-19 AU AU66303/81A patent/AU531039B2/en not_active Ceased
- 1981-01-20 CA CA000368903A patent/CA1154967A/fr not_active Expired
- 1981-01-20 AT AT81420006T patent/ATE10508T1/de not_active IP Right Cessation
- 1981-01-20 EP EP81420006A patent/EP0033289B1/fr not_active Expired
- 1981-01-20 DE DE8181420006T patent/DE3167358D1/de not_active Expired
- 1981-01-21 ZW ZW12/81A patent/ZW1281A1/xx unknown
- 1981-01-21 ZA ZA00810411A patent/ZA81411B/xx unknown
- 1981-01-21 BR BR8100314A patent/BR8100314A/pt not_active IP Right Cessation
- 1981-01-22 JP JP855881A patent/JPS56116814A/ja active Pending
- 1981-01-23 NO NO810242A patent/NO810242L/no unknown
- 1981-01-23 ES ES498749A patent/ES8200725A1/es not_active Expired
- 1981-01-23 FI FI810188A patent/FI68862C/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FI68862C (fi) | 1985-11-11 |
| ATE10508T1 (de) | 1984-12-15 |
| EP0033289A1 (fr) | 1981-08-05 |
| YU9681A (en) | 1983-04-30 |
| IN153729B (sv) | 1984-08-11 |
| FI68862B (fi) | 1985-07-31 |
| FR2474531B1 (fr) | 1986-08-14 |
| DE3167358D1 (en) | 1985-01-10 |
| ZW1281A1 (en) | 1981-04-15 |
| FR2474531A1 (fr) | 1981-07-31 |
| ES498749A0 (es) | 1981-11-01 |
| CA1154967A (fr) | 1983-10-11 |
| AU6630381A (en) | 1981-07-30 |
| JPS56116814A (en) | 1981-09-12 |
| SU1170974A3 (ru) | 1985-07-30 |
| US4324584A (en) | 1982-04-13 |
| TR21061A (tr) | 1983-06-13 |
| EP0033289B1 (fr) | 1984-11-28 |
| PH16313A (en) | 1983-09-05 |
| ES8200725A1 (es) | 1981-11-01 |
| ZA81411B (en) | 1982-02-24 |
| FI810188L (fi) | 1981-07-25 |
| AU531039B2 (en) | 1983-08-04 |
| BR8100314A (pt) | 1981-08-11 |
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