CA1029558A - Methode de soufflage en vue d'obtenir de tres basses teneurs en carbonetdans les aciers au chrome - Google Patents
Methode de soufflage en vue d'obtenir de tres basses teneurs en carbonetdans les aciers au chromeInfo
- Publication number
- CA1029558A CA1029558A CA219,052A CA219052A CA1029558A CA 1029558 A CA1029558 A CA 1029558A CA 219052 A CA219052 A CA 219052A CA 1029558 A CA1029558 A CA 1029558A
- Authority
- CA
- Canada
- Prior art keywords
- chromium
- blowing
- bath
- oxidizing gas
- water vapor
- 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
Links
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 238000007664 blowing Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 11
- 239000010959 steel Substances 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 title 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 17
- 239000011651 chromium Substances 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000001590 oxidative effect Effects 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims abstract 2
- 239000002184 metal Substances 0.000 claims abstract 2
- 230000001681 protective effect Effects 0.000 claims abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 31
- 229910052757 nitrogen Inorganic materials 0.000 claims description 17
- 239000007789 gas Substances 0.000 claims description 14
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 229910000669 Chrome steel Inorganic materials 0.000 claims description 2
- 239000001307 helium Substances 0.000 claims 1
- 229910052734 helium Inorganic materials 0.000 claims 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 4
- 238000007670 refining Methods 0.000 description 8
- 239000000295 fuel oil Substances 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 238000010494 dissociation reaction Methods 0.000 description 4
- 230000005593 dissociations Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000005261 decarburization Methods 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000010793 Steam injection (oil industry) Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 229910001016 Very high-carbon steel Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- UOUJSJZBMCDAEU-UHFFFAOYSA-N chromium(3+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[Cr+3].[Cr+3] UOUJSJZBMCDAEU-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 239000010935 stainless steel 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
- 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
-
- 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
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7403188A FR2259912A1 (en) | 1974-01-31 | 1974-01-31 | Stainless steels mfr with very low carbon content - nitrogen, steam and fuel-oil blown through triple concentric jets |
| FR7437356A FR2291287A2 (fr) | 1974-11-13 | 1974-11-13 | Methode de soufflage en vue d'obtenir de tres basses teneurs en carbone dans les aciers au chrome |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1029558A true CA1029558A (fr) | 1978-04-18 |
Family
ID=26218156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA219,052A Expired CA1029558A (fr) | 1974-01-31 | 1975-01-30 | Methode de soufflage en vue d'obtenir de tres basses teneurs en carbonetdans les aciers au chrome |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5512163B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1029558A (enrdf_load_stackoverflow) |
| DD (1) | DD116262A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2460291A1 (enrdf_load_stackoverflow) |
| ES (1) | ES433754A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1428102A (enrdf_load_stackoverflow) |
| IN (1) | IN143768B (enrdf_load_stackoverflow) |
| IT (1) | IT1027311B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100214927B1 (ko) * | 1995-08-01 | 1999-08-02 | 아사무라 타카싯 | 용강의 진공 정련 방법 |
-
1974
- 1974-12-19 DE DE19742460291 patent/DE2460291A1/de active Pending
-
1975
- 1975-01-13 ES ES433754A patent/ES433754A1/es not_active Expired
- 1975-01-15 GB GB183275A patent/GB1428102A/en not_active Expired
- 1975-01-17 IT IT67102/75A patent/IT1027311B/it active
- 1975-01-22 IN IN130/CAL/75A patent/IN143768B/en unknown
- 1975-01-29 DD DD183896A patent/DD116262A5/xx unknown
- 1975-01-30 CA CA219,052A patent/CA1029558A/fr not_active Expired
- 1975-01-31 JP JP1325675A patent/JPS5512163B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DD116262A5 (enrdf_load_stackoverflow) | 1975-11-12 |
| IT1027311B (it) | 1978-11-20 |
| IN143768B (enrdf_load_stackoverflow) | 1978-01-28 |
| GB1428102A (en) | 1976-03-17 |
| ES433754A1 (es) | 1976-12-01 |
| DE2460291A1 (de) | 1975-08-07 |
| AU7770275A (en) | 1976-07-29 |
| JPS50109111A (enrdf_load_stackoverflow) | 1975-08-28 |
| JPS5512163B2 (enrdf_load_stackoverflow) | 1980-03-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2054036C (fr) | Procede d'elaboration d'une atmosphere de traitement thermique et installation de traitement thermique | |
| CA1114656A (en) | Process for sintering powder metal parts | |
| US3891429A (en) | Method for selective decarburization of alloy steels | |
| CA1029558A (fr) | Methode de soufflage en vue d'obtenir de tres basses teneurs en carbonetdans les aciers au chrome | |
| US3867135A (en) | Metallurgical process | |
| CA1142362A (fr) | Procede d'obtention d'alliages de manganese a moyenne teneur en carbone | |
| FR2471414A1 (fr) | Procede pour la production d'acier au convertisseur | |
| MXPA06008215A (es) | Metodo para producir acero de bajo carbono. | |
| EP2376663B1 (fr) | Procede de production d'une atmosphere gazeuse pour le traitement des metaux | |
| BE833049A (fr) | Procede pour utiliser les gaz de gueulard des hauts fourneaux | |
| FR2501722A1 (fr) | Procede de brassage pneumatique d'un bain metallique | |
| CA1112879A (fr) | Procede d'affinage de la fonte par soufflage d'oxygene | |
| US3982927A (en) | Method of blowing to obtain a very low amount of carbon in chrome steels | |
| CA1112052A (fr) | Procede d'affinage des mattes de metaux non ferreux | |
| US4436553A (en) | Process to produce low hydrogen steel | |
| CN110157858A (zh) | 一种含硅、铬铁水脱硅保铬的方法 | |
| EP2800723B1 (fr) | Procédé de génération d'un mélange de gaz contenant du monoxyde de carbone et de l'hydrogène en proportions sensiblement égales | |
| US4188206A (en) | Metallurgical process | |
| BE525512A (enrdf_load_stackoverflow) | ||
| BE513663A (enrdf_load_stackoverflow) | ||
| LU82864A1 (fr) | Perfectionnements aux procedes d'affinage de fonte au convertisseur | |
| BE562895A (enrdf_load_stackoverflow) | ||
| LU80006A1 (fr) | Procede d'elaboration d'aciers allies au chrome,notamment d'aciers inoxydables | |
| BE571657A (enrdf_load_stackoverflow) | ||
| JPS5848616A (ja) | 精錬容器羽口の冷却方法 |