SE454887B - Sett att avlegsna fosfor och svavel fran en smelt jernlegering som innehaller krom - Google Patents
Sett att avlegsna fosfor och svavel fran en smelt jernlegering som innehaller kromInfo
- Publication number
- SE454887B SE454887B SE8301141A SE8301141A SE454887B SE 454887 B SE454887 B SE 454887B SE 8301141 A SE8301141 A SE 8301141A SE 8301141 A SE8301141 A SE 8301141A SE 454887 B SE454887 B SE 454887B
- Authority
- SE
- Sweden
- Prior art keywords
- oxide
- chromium
- slag
- iron alloy
- flux
- Prior art date
Links
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims description 26
- 229910000640 Fe alloy Inorganic materials 0.000 title claims description 23
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims description 8
- 229910052717 sulfur Inorganic materials 0.000 title claims description 8
- 239000011593 sulfur Substances 0.000 title claims description 8
- 239000011651 chromium Substances 0.000 claims description 31
- 239000002893 slag Substances 0.000 claims description 31
- 229910052698 phosphorus Inorganic materials 0.000 claims description 28
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 27
- 239000011574 phosphorus Substances 0.000 claims description 27
- 229910052804 chromium Inorganic materials 0.000 claims description 24
- 239000007800 oxidant agent Substances 0.000 claims description 24
- 230000004907 flux Effects 0.000 claims description 20
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 18
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 18
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 claims description 12
- 230000001590 oxidative effect Effects 0.000 claims description 12
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 10
- 229910001615 alkaline earth metal halide Inorganic materials 0.000 claims description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 4
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims description 3
- 229910000288 alkali metal carbonate Inorganic materials 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 30
- 239000000203 mixture Substances 0.000 description 15
- 229910052742 iron Inorganic materials 0.000 description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 11
- 229910052760 oxygen Inorganic materials 0.000 description 11
- 239000001301 oxygen Substances 0.000 description 11
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 10
- 239000007789 gas Substances 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910001626 barium chloride Inorganic materials 0.000 description 4
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 4
- 229910001632 barium fluoride Inorganic materials 0.000 description 4
- 238000006477 desulfuration reaction Methods 0.000 description 4
- 230000023556 desulfurization Effects 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 239000001110 calcium chloride Substances 0.000 description 3
- 229910001628 calcium chloride Inorganic materials 0.000 description 3
- 235000011148 calcium chloride Nutrition 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 108090000623 proteins and genes Proteins 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- OHVLMTFVQDZYHP-UHFFFAOYSA-N 1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-2-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]ethanone Chemical compound N1N=NC=2CN(CCC=21)C(CN1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)=O OHVLMTFVQDZYHP-UHFFFAOYSA-N 0.000 description 1
- LDXJRKWFNNFDSA-UHFFFAOYSA-N 2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]ethanone Chemical compound C1CN(CC2=NNN=C21)CC(=O)N3CCN(CC3)C4=CN=C(N=C4)NCC5=CC(=CC=C5)OC(F)(F)F LDXJRKWFNNFDSA-UHFFFAOYSA-N 0.000 description 1
- JQMFQLVAJGZSQS-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-N-(2-oxo-3H-1,3-benzoxazol-6-yl)acetamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)CC(=O)NC1=CC2=C(NC(O2)=O)C=C1 JQMFQLVAJGZSQS-UHFFFAOYSA-N 0.000 description 1
- YLZOPXRUQYQQID-UHFFFAOYSA-N 3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]propan-1-one Chemical compound N1N=NC=2CN(CCC=21)CCC(=O)N1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F YLZOPXRUQYQQID-UHFFFAOYSA-N 0.000 description 1
- 240000002234 Allium sativum Species 0.000 description 1
- 101100326791 Caenorhabditis elegans cap-2 gene Proteins 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 244000077923 Vaccinium vitis idaea Species 0.000 description 1
- 235000017606 Vaccinium vitis idaea Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000001341 alkaline earth metal compounds Chemical class 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 235000004611 garlic Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 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
- C21C7/076—Use of slags or fluxes as treating agents
-
- 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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
-
- 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
- C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
-
- 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
- C21C7/064—Dephosphorising; Desulfurising
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57033549A JPS58151416A (ja) | 1982-03-03 | 1982-03-03 | クロムを含む溶融鉄合金の脱燐・脱硫方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8301141D0 SE8301141D0 (sv) | 1983-03-02 |
| SE8301141L SE8301141L (sv) | 1983-09-04 |
| SE454887B true SE454887B (sv) | 1988-06-06 |
Family
ID=12389632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8301141A SE454887B (sv) | 1982-03-03 | 1983-03-02 | Sett att avlegsna fosfor och svavel fran en smelt jernlegering som innehaller krom |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4450004A (OSRAM) |
| JP (1) | JPS58151416A (OSRAM) |
| DE (1) | DE3307367A1 (OSRAM) |
| FR (1) | FR2522686B1 (OSRAM) |
| GB (1) | GB2117005B (OSRAM) |
| SE (1) | SE454887B (OSRAM) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0621287B2 (ja) * | 1984-12-01 | 1994-03-23 | 新日本製鐵株式会社 | クロムを含む溶鋼の脱燐方法 |
| US4684403A (en) * | 1986-06-19 | 1987-08-04 | Elkem Metals Company | Dephosphorization process for manganese-containing alloys |
| US4752327A (en) * | 1987-05-08 | 1988-06-21 | Elkem Metals Company | Dephosphorization process for manganese alloys |
| SE466315B (sv) * | 1988-01-05 | 1992-01-27 | Middelburg Steel & Alloys Pty | Foerfarande foer svavel- och kiselkontroll vid ferrokromframstaellning |
| US6149709A (en) * | 1997-09-01 | 2000-11-21 | Kabushiki Kaisha Kobe Seiko Sho | Method of making iron and steel |
| JP4871778B2 (ja) * | 2007-04-16 | 2012-02-08 | 日立建機株式会社 | 建設機械のフィルタ目詰まり判定装置 |
| KR101381856B1 (ko) * | 2011-12-27 | 2014-04-04 | 주식회사 포스코 | 페로망간의 탈린용 플럭스 |
| CN103509911B (zh) * | 2013-09-30 | 2016-08-24 | 承德建龙特殊钢有限公司 | 一种对含铬钢直接合金化的方法 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB513915A (en) * | 1937-04-14 | 1939-10-25 | Virginio Angelini | Improvements in and relating to the production of carbon-poor chromium iron alloys |
| US3615354A (en) * | 1968-04-30 | 1971-10-26 | Allegheny Ludlum Steel | Method of removing contaminants from steel melts |
| DE1783055B1 (de) * | 1968-09-26 | 1971-10-28 | Deutsche Edelstahlwerke Ag | Verfahren zur Herstellung legierter Staehle |
| DE2006168A1 (en) * | 1970-02-11 | 1971-08-19 | Iwira-International SRL, Campione (Schweiz) | De-phophorizing composn for iron or steel melts |
| JPS5017171B1 (OSRAM) * | 1970-09-25 | 1975-06-19 | ||
| US4014685A (en) * | 1973-11-27 | 1977-03-29 | Foseco International Limited | Manufacture of steel |
| CH597350A5 (OSRAM) * | 1973-12-14 | 1978-03-31 | Battelle Memorial Institute | |
| US4097269A (en) * | 1975-01-14 | 1978-06-27 | Inteco Internationale Technische Beratung Gesellschaft M.B.H. | Process of desulfurizing liquid melts |
| JPS5265800U (OSRAM) * | 1975-11-12 | 1977-05-16 | ||
| JPS5477214A (en) * | 1977-12-02 | 1979-06-20 | Otani Masayasu | Simultaneous dephosphorizing and desulfurizing smelting agent for molten iron alloy |
| JPS54131521A (en) * | 1978-04-04 | 1979-10-12 | Showa Denko Kk | Antidigestive calcic smelting agent for steel |
| JPS565910A (en) * | 1979-06-29 | 1981-01-22 | Nisshin Steel Co Ltd | Dephosphorizing method of pig iron containing chromium |
| GB2078260B (en) * | 1980-06-20 | 1984-08-08 | Nisshin Steel Co Ltd | Refining cr-containing iron |
| US4314847A (en) * | 1980-06-23 | 1982-02-09 | Nisshin Steel Company, Ltd. | Process for dephosphorization and denitrification of chromium-containing iron |
| JPS5770219A (en) * | 1980-10-21 | 1982-04-30 | Nisshin Steel Co Ltd | Method for dephosphorizing, desulfurizing and denitrifying iron alloy |
-
1982
- 1982-03-03 JP JP57033549A patent/JPS58151416A/ja active Granted
-
1983
- 1983-03-02 FR FR838303405A patent/FR2522686B1/fr not_active Expired - Lifetime
- 1983-03-02 DE DE19833307367 patent/DE3307367A1/de active Granted
- 1983-03-02 SE SE8301141A patent/SE454887B/sv not_active IP Right Cessation
- 1983-03-02 US US06/471,238 patent/US4450004A/en not_active Expired - Lifetime
- 1983-03-03 GB GB08305918A patent/GB2117005B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0246647B2 (OSRAM) | 1990-10-16 |
| FR2522686A1 (fr) | 1983-09-09 |
| US4450004A (en) | 1984-05-22 |
| GB8305918D0 (en) | 1983-04-07 |
| FR2522686B1 (fr) | 1990-07-13 |
| DE3307367A1 (de) | 1983-09-22 |
| JPS58151416A (ja) | 1983-09-08 |
| GB2117005B (en) | 1986-04-23 |
| SE8301141L (sv) | 1983-09-04 |
| SE8301141D0 (sv) | 1983-03-02 |
| GB2117005A (en) | 1983-10-05 |
| DE3307367C2 (OSRAM) | 1987-09-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR850000556B1 (ko) | 크롬 함유선철의 탈인, 탈황, 탈질소 방법 | |
| SE454887B (sv) | Sett att avlegsna fosfor och svavel fran en smelt jernlegering som innehaller krom | |
| RU2095429C1 (ru) | Способ производства подшипниковой стали | |
| KR100423452B1 (ko) | 전로 취련중 용철의 탈황방법 | |
| US4171216A (en) | Process for refining non-ferrous matte | |
| EP0015396A1 (en) | A method for increasing vessel lining life for basic oxygen furnaces | |
| JPH0649895B2 (ja) | クロム含有溶鉄の脱燐方法 | |
| RU2797319C1 (ru) | Способ выплавки коррозионностойкой стали в электродуговой сталеплавильной печи постоянного тока с полым графитовым электродом | |
| SE437273B (sv) | Forfarande for avlegsnande av fosfor och kveve ur kromhaltigt tackjern | |
| US3374088A (en) | Method for producing low silicon ferromanganese alloys | |
| JPS56130417A (en) | Decarburizing method for stainless steel in arc furnace | |
| JPH05117735A (ja) | 溶銑脱硫剤及び該脱硫剤を用いる溶銑脱硫方法 | |
| KR840002024B1 (ko) | 크롬선철의 탈인 및 탈질소 방법 | |
| SU996464A1 (ru) | Способ обработки стали | |
| SU1110807A1 (ru) | Шлакообразующа смесь дл получени легированного чугуна | |
| JPS6212301B2 (OSRAM) | ||
| JP2684113B2 (ja) | 含クロム溶銑の脱りん法 | |
| JPS62182216A (ja) | 含クロム溶鋼の脱燐方法 | |
| RU2031133C1 (ru) | Порошкообразная шлаковая смесь для рафинирования высокохромистых сталей и сплавов | |
| JPS6212300B2 (OSRAM) | ||
| SU529629A1 (ru) | Способ выплавки нержавеющих сталей | |
| SU1747501A1 (ru) | Способ производства коррозионностойкой стали с массовой долей углерода не менее 0,06% | |
| SU973623A1 (ru) | Способ выплавки стали | |
| SU939568A1 (ru) | Порошкообразна дефосфорирующа смесь | |
| SU1125263A1 (ru) | Способ производства стали |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
Ref document number: 8301141-1 Format of ref document f/p: F |
|
| NUG | Patent has lapsed |
Ref document number: 8301141-1 Format of ref document f/p: F |