CA1150058A - Produit pour la desulfuration des fontes et aciers - Google Patents
Produit pour la desulfuration des fontes et aciersInfo
- Publication number
- CA1150058A CA1150058A CA000351885A CA351885A CA1150058A CA 1150058 A CA1150058 A CA 1150058A CA 000351885 A CA000351885 A CA 000351885A CA 351885 A CA351885 A CA 351885A CA 1150058 A CA1150058 A CA 1150058A
- Authority
- CA
- Canada
- Prior art keywords
- product according
- magnesium
- slag
- shot
- product
- 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
- 239000010959 steel Substances 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 14
- 235000000396 iron Nutrition 0.000 title claims abstract description 9
- 230000003009 desulfurizing effect Effects 0.000 title description 4
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 47
- 239000011777 magnesium Substances 0.000 claims abstract description 47
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000002893 slag Substances 0.000 claims abstract description 32
- 229910001018 Cast iron Inorganic materials 0.000 claims abstract description 15
- 239000002245 particle Substances 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 10
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000007670 refining Methods 0.000 claims abstract description 7
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 6
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 6
- 239000012159 carrier gas Substances 0.000 claims abstract description 6
- 239000004571 lime Substances 0.000 claims abstract description 6
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 5
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 238000005266 casting Methods 0.000 claims description 5
- 238000007873 sieving Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229910001122 Mischmetal Inorganic materials 0.000 claims description 2
- 241000212342 Sium Species 0.000 claims description 2
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims 2
- 229910052783 alkali metal Inorganic materials 0.000 claims 1
- 150000001340 alkali metals Chemical class 0.000 claims 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims 1
- 150000001342 alkaline earth metals Chemical class 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 239000000956 alloy Substances 0.000 claims 1
- 150000001642 boronic acid derivatives Chemical class 0.000 claims 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims 1
- 229910001634 calcium fluoride Inorganic materials 0.000 claims 1
- 150000002910 rare earth metals Chemical group 0.000 claims 1
- 239000011775 sodium fluoride Substances 0.000 claims 1
- 235000013024 sodium fluoride Nutrition 0.000 claims 1
- 238000002347 injection Methods 0.000 abstract description 13
- 239000007924 injection Substances 0.000 abstract description 13
- 238000006477 desulfuration reaction Methods 0.000 abstract description 9
- 230000023556 desulfurization Effects 0.000 abstract description 9
- 238000000465 moulding Methods 0.000 abstract description 3
- 239000008188 pellet Substances 0.000 abstract description 3
- 229910000861 Mg alloy Inorganic materials 0.000 abstract 1
- 230000004907 flux Effects 0.000 abstract 1
- 239000008187 granular material Substances 0.000 description 14
- 239000000203 mixture Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 229910001208 Crucible steel Inorganic materials 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005469 granulation Methods 0.000 description 4
- 230000003179 granulation Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 235000013365 dairy product Nutrition 0.000 description 3
- 229910001338 liquidmetal Inorganic materials 0.000 description 3
- 238000005453 pelletization Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- RSPISYXLHRIGJD-UHFFFAOYSA-N OOOO Chemical compound OOOO RSPISYXLHRIGJD-UHFFFAOYSA-N 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 229910052595 hematite Inorganic materials 0.000 description 2
- 239000011019 hematite Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 150000004673 fluoride salts Chemical class 0.000 description 1
- 239000010436 fluorite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- QENHCSSJTJWZAL-UHFFFAOYSA-N magnesium sulfide Chemical compound [Mg+2].[S-2] QENHCSSJTJWZAL-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- -1 up to 25% by weight Chemical compound 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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
- C21C1/025—Agents used for 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
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
- C21C7/0645—Agents used for dephosphorising or desulfurising
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7913279A FR2456779A1 (fr) | 1979-05-15 | 1979-05-15 | Produit pour la desulfuration des fontes et aciers |
| FR7913279 | 1979-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1150058A true CA1150058A (fr) | 1983-07-19 |
Family
ID=9225838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000351885A Expired CA1150058A (fr) | 1979-03-15 | 1980-05-14 | Produit pour la desulfuration des fontes et aciers |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US4364771A (forum.php) |
| EP (1) | EP0029038B1 (forum.php) |
| JP (1) | JPS5942725B2 (forum.php) |
| AR (1) | AR219255A1 (forum.php) |
| AU (1) | AU532686B2 (forum.php) |
| BE (1) | BE883297A (forum.php) |
| BR (1) | BR8008679A (forum.php) |
| CA (1) | CA1150058A (forum.php) |
| DE (1) | DE3065758D1 (forum.php) |
| FR (1) | FR2456779A1 (forum.php) |
| IN (1) | IN152626B (forum.php) |
| IT (1) | IT1140849B (forum.php) |
| MX (1) | MX153816A (forum.php) |
| RO (1) | RO81381B (forum.php) |
| WO (1) | WO1980002565A1 (forum.php) |
| ZA (1) | ZA802844B (forum.php) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4490173A (en) * | 1982-09-30 | 1984-12-25 | Schwer John W | Steelmaking additive composition |
| US4684403A (en) * | 1986-06-19 | 1987-08-04 | Elkem Metals Company | Dephosphorization process for manganese-containing alloys |
| US4853034A (en) * | 1987-04-13 | 1989-08-01 | Quigley Joseph R | Method of ladle desulfurizing molten steel |
| FR2630131B1 (fr) * | 1988-04-14 | 1990-08-03 | Affival | Procede de desulfuration des fontes |
| US4752327A (en) * | 1987-05-08 | 1988-06-21 | Elkem Metals Company | Dephosphorization process for manganese alloys |
| DE3910776A1 (de) * | 1988-05-10 | 1989-11-23 | Fischer Ag Georg | Verfahren zur behandlung von gusseisenschmelzen in einer offenen pfanne mittels reinmagnesium |
| DE4002284A1 (de) * | 1989-12-04 | 1991-06-06 | Foseco Int | Mittel zum entschwefeln von eisenschmelzen |
| US5021086A (en) * | 1990-07-05 | 1991-06-04 | Reactive Metals And Alloys Corporation | Iron desulfurization additive and method for introduction into hot metal |
| US5358550A (en) * | 1992-10-26 | 1994-10-25 | Rossborough Manufacturing Company | Desulfurization agent |
| US5397379A (en) * | 1993-09-22 | 1995-03-14 | Oglebay Norton Company | Process and additive for the ladle refining of steel |
| DE19502302C2 (de) * | 1995-01-26 | 1996-12-05 | Deumu Deutsche Erz Und Metall | Mittel zur Entschwefelung von Eisenschmelzen |
| US6179895B1 (en) | 1996-12-11 | 2001-01-30 | Performix Technologies, Ltd. | Basic tundish flux composition for steelmaking processes |
| DE19654501C1 (de) * | 1996-12-18 | 1998-08-20 | Mannesmann Ag | Verfahren zur Roheisenentschwefelung |
| US6989040B2 (en) * | 2002-10-30 | 2006-01-24 | Gerald Zebrowski | Reclaimed magnesium desulfurization agent |
| JP4167101B2 (ja) * | 2003-03-20 | 2008-10-15 | 株式会社神戸製鋼所 | 粒状金属鉄の製法 |
| US7731778B2 (en) * | 2006-03-27 | 2010-06-08 | Magnesium Technologies Corporation | Scrap bale for steel making process |
| FR3018524B1 (fr) * | 2014-03-11 | 2017-03-10 | Affival | Procede de desulfuration d'une fonte liquide et fil fourre pour sa mise en oeuvre |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1684685A (en) * | 1925-01-06 | 1928-09-18 | Elmer H Records | Liquid fuel |
| FR1116581A (fr) * | 1953-12-30 | 1956-05-09 | Union Carbide & Carbon Corp | Fabrication de la fonte |
| FR1125154A (fr) | 1955-04-28 | 1956-10-25 | Siderurgie Fse Inst Rech | Procédé pour désulfurer les métaux en fusion et en particulièr la fonte |
| FR1166661A (fr) * | 1956-02-10 | 1958-11-13 | Union Carbide & Carbon Corp | Procédé et agent de traitement de produits ferreux |
| FR1168646A (fr) | 1957-02-21 | 1958-12-11 | Siderurgie Fse Inst Rech | Procédé d'insufflation pour désulfurer les métaux en fusion, en particulier la fonte et l'acier |
| FR1168750A (fr) | 1957-03-02 | 1958-12-15 | Siderurgie Fse Inst Rech | Affinage des fontes par insufflation de chaux pulvérulente et d'oxygène |
| US2971833A (en) * | 1958-04-09 | 1961-02-14 | Le Magnesium Thermique Soc | Process of manufacturing magnesium |
| US3765848A (en) * | 1971-01-22 | 1973-10-16 | G Brent | Motor fuel composition |
| US3957502A (en) * | 1971-11-17 | 1976-05-18 | Magnesium Elektron Limited | Addition of magnesium to molten metal |
| US4020798A (en) * | 1972-10-27 | 1977-05-03 | Skala Stephen F | Internal combustion engine fueled by NaK |
| US3953198A (en) * | 1973-08-03 | 1976-04-27 | N L Industries, Inc. | Method for treating molten iron using a magnesium infiltrated metal network |
| US3969105A (en) * | 1974-12-27 | 1976-07-13 | The Dow Chemical Company | Treating agent for high melting temperature metals |
| US4110082A (en) * | 1975-02-25 | 1978-08-29 | Michaels Christopher Van | Reformed hydrocarbons and alcohols from fuel alloys and reforming agents |
| US3998625A (en) * | 1975-11-12 | 1976-12-21 | Jones & Laughlin Steel Corporation | Desulfurization method |
| US4088454A (en) * | 1976-10-26 | 1978-05-09 | Ki Hyun Lee | Method for producing a liquid fuel composition |
| US4081252A (en) * | 1976-06-16 | 1978-03-28 | Hans Osborg | Method of improving combustion of fuels and fuel compositions |
| FR2395319A1 (fr) * | 1977-06-24 | 1979-01-19 | Sofrem | Perfectionnements aux procedes de production de magnesium par voie thermique |
-
1979
- 1979-05-15 FR FR7913279A patent/FR2456779A1/fr active Granted
-
1980
- 1980-04-24 IN IN475/CAL/80A patent/IN152626B/en unknown
- 1980-05-08 IT IT21891/80A patent/IT1140849B/it active
- 1980-05-12 BR BR8008679A patent/BR8008679A/pt not_active IP Right Cessation
- 1980-05-12 RO RO102896A patent/RO81381B/ro unknown
- 1980-05-12 AU AU59824/80A patent/AU532686B2/en not_active Ceased
- 1980-05-12 DE DE8080900923T patent/DE3065758D1/de not_active Expired
- 1980-05-12 US US06/224,535 patent/US4364771A/en not_active Expired - Fee Related
- 1980-05-12 JP JP55501086A patent/JPS5942725B2/ja not_active Expired
- 1980-05-12 WO PCT/FR1980/000073 patent/WO1980002565A1/fr active IP Right Grant
- 1980-05-13 ZA ZA00802844A patent/ZA802844B/xx unknown
- 1980-05-13 MX MX182303A patent/MX153816A/es unknown
- 1980-05-14 CA CA000351885A patent/CA1150058A/fr not_active Expired
- 1980-05-14 BE BE0/200613A patent/BE883297A/fr not_active IP Right Cessation
- 1980-05-15 AR AR281068A patent/AR219255A1/es active
- 1980-12-01 EP EP80900923A patent/EP0029038B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT8021891A0 (it) | 1980-05-08 |
| FR2456779B1 (forum.php) | 1984-10-05 |
| JPS56500302A (forum.php) | 1981-03-12 |
| ZA802844B (en) | 1981-05-27 |
| EP0029038A1 (fr) | 1981-05-27 |
| WO1980002565A1 (fr) | 1980-11-27 |
| BE883297A (fr) | 1980-11-14 |
| MX153816A (es) | 1987-01-19 |
| DE3065758D1 (en) | 1984-01-05 |
| IN152626B (forum.php) | 1984-02-25 |
| EP0029038B1 (fr) | 1983-11-30 |
| RO81381B (ro) | 1984-11-30 |
| FR2456779A1 (fr) | 1980-12-12 |
| RO81381A (ro) | 1984-11-25 |
| JPS5942725B2 (ja) | 1984-10-17 |
| US4364771A (en) | 1982-12-21 |
| AU532686B2 (en) | 1983-10-06 |
| AU5982480A (en) | 1981-01-15 |
| IT1140849B (it) | 1986-10-10 |
| AR219255A1 (es) | 1980-07-31 |
| BR8008679A (pt) | 1981-04-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1150058A (fr) | Produit pour la desulfuration des fontes et aciers | |
| US4705561A (en) | Magnesium calcium oxide composite | |
| US4561894A (en) | Calcium oxide based flux compositions | |
| CN111742064A (zh) | 铸铁孕育剂以及用于生产铸铁孕育剂的方法 | |
| JP6816777B2 (ja) | スラグのフォーミング抑制方法および転炉精錬方法 | |
| FR2476140A1 (fr) | Procede pour la production d'acier a haute teneur en chrome | |
| EP0233872A1 (fr) | Procede de traitement des metaux et alliages en vue de leur affinage. | |
| CN111742065A (zh) | 铸铁孕育剂以及用于生产铸铁孕育剂的方法 | |
| JP2007270238A (ja) | 溶銑の脱燐処理方法 | |
| US4762555A (en) | Process for the production of nodular cast iron | |
| RU2166548C2 (ru) | Десульфирующая смесь на основе карбида кальция | |
| JP6915522B2 (ja) | スラグのフォーミング抑制方法および転炉精錬方法 | |
| CA1027375A (en) | Method for modifying physical and/or chemical properties of a metal alloy | |
| US4786322A (en) | Magnesium and calcium composite | |
| EP0055953A1 (fr) | Composition pulvérulente et épurante pour récipient métallurgique | |
| JP7147550B2 (ja) | スラグのフォーミング抑制方法および転炉精錬方法 | |
| US4067729A (en) | Desulfurization of liquid iron melts | |
| FR2711376A1 (fr) | Fil composite pour l'introduction de magnésium dans un métal liquide. | |
| US4657588A (en) | Method of keeping inductor spouts, downgates and outlet channels free of deposits in connection with a cast iron melt | |
| JP3736229B2 (ja) | 溶銑の処理方法 | |
| RU2304623C1 (ru) | Способ легирования стали марганцем | |
| RU2033456C1 (ru) | Смесь для обработки чугуна | |
| FR2473061A1 (fr) | Procede pour reduire le degagement de poussieres et de flammes lors de la manipulation des scories apres desulfuration de la fonte, et melange de desulfuration approprie | |
| RU2049115C1 (ru) | Способ десульфурации чугуна перед конвертерной плавкой | |
| JPH0125363B2 (forum.php) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |