CA1045824A - Process for the production of steel with increased ductility - Google Patents
Process for the production of steel with increased ductilityInfo
- Publication number
- CA1045824A CA1045824A CA224,809A CA224809A CA1045824A CA 1045824 A CA1045824 A CA 1045824A CA 224809 A CA224809 A CA 224809A CA 1045824 A CA1045824 A CA 1045824A
- Authority
- CA
- Canada
- Prior art keywords
- melt
- calcium
- steel
- agent
- sulfur
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 40
- 239000010959 steel Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000008569 process Effects 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000011575 calcium Substances 0.000 claims abstract description 57
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 57
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 39
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 39
- 239000011593 sulfur Substances 0.000 claims abstract description 39
- 239000000161 steel melt Substances 0.000 claims abstract description 16
- 239000002893 slag Substances 0.000 claims abstract description 7
- 239000012159 carrier gas Substances 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 40
- 230000007812 deficiency Effects 0.000 claims description 7
- 230000007935 neutral effect Effects 0.000 claims description 3
- 229910000532 Deoxidized steel Inorganic materials 0.000 claims description 2
- 239000000155 melt Substances 0.000 abstract description 29
- 238000006243 chemical reaction Methods 0.000 abstract description 14
- 238000005266 casting Methods 0.000 abstract description 10
- 238000005275 alloying Methods 0.000 abstract description 7
- 238000000746 purification Methods 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 3
- 238000011282 treatment Methods 0.000 description 29
- 230000008602 contraction Effects 0.000 description 16
- 238000006477 desulfuration reaction Methods 0.000 description 11
- 230000023556 desulfurization Effects 0.000 description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 235000010210 aluminium Nutrition 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000007664 blowing Methods 0.000 description 4
- 229940043430 calcium compound Drugs 0.000 description 4
- 150000001674 calcium compounds Chemical class 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052681 coesite Inorganic materials 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910000882 Ca alloy Inorganic materials 0.000 description 2
- 239000005997 Calcium carbide Substances 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- -1 calcium carbides Chemical class 0.000 description 2
- OSMSIOKMMFKNIL-UHFFFAOYSA-N calcium;silicon Chemical compound [Ca]=[Si] OSMSIOKMMFKNIL-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000010459 dolomite Substances 0.000 description 2
- 229910000514 dolomite Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910004709 CaSi Inorganic materials 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- ZUFQODAHGAHPFQ-UHFFFAOYSA-N pyridoxine hydrochloride Chemical compound Cl.CC1=NC=C(CO)C(CO)=C1O ZUFQODAHGAHPFQ-UHFFFAOYSA-N 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- CADICXFYUNYKGD-UHFFFAOYSA-N sulfanylidenemanganese Chemical compound [Mn]=S CADICXFYUNYKGD-UHFFFAOYSA-N 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 229910052726 zirconium 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
- C21C7/0037—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
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)
- Battery Electrode And Active Subsutance (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742419070 DE2419070B2 (de) | 1974-04-20 | 1974-04-20 | Verfahren zur herstellung von stahl mit erhoehten zaehigkeitseigenschaften |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1045824A true CA1045824A (en) | 1979-01-09 |
Family
ID=5913413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA224,809A Expired CA1045824A (en) | 1974-04-20 | 1975-04-16 | Process for the production of steel with increased ductility |
Country Status (19)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE31676E (en) | 1982-09-29 | 1984-09-18 | Thyssen Aktiengesellschaft vorm August Thyssen-Hutte AG | Method and apparatus for dispensing a fluidizable solid from a pressure vessel |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4123258A (en) * | 1974-04-20 | 1978-10-31 | Thyssen Niederrhein | Process for the production of steel with increased ductility and for the desulfurization of a steel melt |
| US4180397A (en) * | 1977-09-15 | 1979-12-25 | British Steel Corporation | Machinable steel |
| LU80692A1 (de) * | 1978-12-21 | 1980-07-21 | Arbed | Verfahren und vorrichtung zum entschwefeln von eisenschmelzen |
| US4238227A (en) * | 1979-06-27 | 1980-12-09 | United States Steel Corporation | Cleansing of steel by gas rinsing |
| JPS58104131A (ja) * | 1981-12-16 | 1983-06-21 | Hitachi Ltd | 溶湯の脱りん法 |
| GB2118209B (en) | 1982-02-12 | 1986-06-04 | Showa Denko Kk | Refining agent of molten metal and methods for producing the same |
| JPH02166217A (ja) * | 1988-12-20 | 1990-06-26 | Metal Res Corp:Kk | 低炭素鉄クローム合金の製造方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2803533A (en) * | 1954-05-03 | 1957-08-20 | Union Carbide Corp | Method of injecting fluidized powders for metallurgical treatment |
| US3258328A (en) * | 1962-08-23 | 1966-06-28 | Fuji Iron & Steel Co Ltd | Method and apparatus for treating steel |
| GB1156845A (en) * | 1966-08-16 | 1969-07-02 | Foseco Int | Improvements in or relating to Metal Casting. |
| GB1206062A (en) * | 1967-10-18 | 1970-09-23 | Nippon Kokan Kk | Deoxidation method |
| DE1758250B1 (de) * | 1968-04-29 | 1971-10-28 | Sueddeutsche Kalkstickstoff | Mittel zum Entschwefeln von Eisenschmelzen |
| BE795333A (fr) * | 1972-03-01 | 1973-05-29 | Thyssen Niederrhein Ag | Procede de desulfuration de l'acier en fusion et poche pour sa mise en oeuvre |
| US3876421A (en) * | 1972-11-09 | 1975-04-08 | Nippon Steel Corp | Process for desulfurization of molten pig iron |
-
1974
- 1974-04-20 DE DE19742419070 patent/DE2419070B2/de not_active Withdrawn
-
1975
- 1975-01-01 AR AR258411A patent/AR208310A1/es active
- 1975-03-07 ZA ZA00752178A patent/ZA752178B/xx unknown
- 1975-04-07 AT AT260675A patent/ATA260675A/de not_active Application Discontinuation
- 1975-04-09 GB GB14566/75A patent/GB1479222A/en not_active Expired
- 1975-04-10 IN IN726/CAL/75A patent/IN141094B/en unknown
- 1975-04-10 NL NLAANVRAGE7504253,A patent/NL171174B/xx not_active Application Discontinuation
- 1975-04-11 AU AU80078/75A patent/AU8007875A/en not_active Expired
- 1975-04-15 JP JP50044872A patent/JPS586762B2/ja not_active Expired
- 1975-04-16 SE SE7504365A patent/SE424561B/xx unknown
- 1975-04-16 CA CA224,809A patent/CA1045824A/en not_active Expired
- 1975-04-17 BE BE2054276A patent/BE828017A/xx not_active IP Right Cessation
- 1975-04-18 ES ES1975211636U patent/ES211636Y/es not_active Expired
- 1975-04-18 DD DD185541A patent/DD117696A5/xx unknown
- 1975-04-18 BR BR2379/75A patent/BR7502379A/pt unknown
- 1975-04-18 US US05/569,150 patent/US3992195A/en not_active Expired - Lifetime
- 1975-04-18 FR FR7512119A patent/FR2268080B1/fr not_active Expired
- 1975-04-18 ES ES436758A patent/ES436758A1/es not_active Expired
- 1975-04-21 PL PL1975180166A patent/PL112471B1/pl unknown
- 1975-04-21 IT IT22556/75A patent/IT1037476B/it active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE31676E (en) | 1982-09-29 | 1984-09-18 | Thyssen Aktiengesellschaft vorm August Thyssen-Hutte AG | Method and apparatus for dispensing a fluidizable solid from a pressure vessel |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1037476B (it) | 1979-11-10 |
| ES211636U (es) | 1976-05-16 |
| JPS50143715A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-11-19 |
| SE7504365L (sv) | 1975-10-21 |
| ATA260675A (de) | 1978-02-15 |
| ES211636Y (es) | 1976-10-16 |
| NL7504253A (nl) | 1975-10-22 |
| DE2419070B2 (de) | 1976-03-04 |
| NL171174B (nl) | 1982-09-16 |
| IN141094B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-01-15 |
| PL112471B1 (en) | 1980-10-31 |
| FR2268080A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-11-14 |
| US3992195A (en) | 1976-11-16 |
| JPS586762B2 (ja) | 1983-02-07 |
| AR208310A1 (es) | 1976-12-20 |
| GB1479222A (en) | 1977-07-06 |
| BR7502379A (pt) | 1976-12-28 |
| SE424561B (sv) | 1982-07-26 |
| FR2268080B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-07-13 |
| DE2419070A1 (de) | 1975-10-30 |
| AU8007875A (en) | 1976-10-14 |
| ZA752178B (en) | 1976-04-28 |
| BE828017A (fr) | 1975-08-18 |
| ES436758A1 (es) | 1977-01-01 |
| DD117696A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-01-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1078624A (en) | Process for making a steel melt for continuous casting | |
| US3885957A (en) | Method for the desulfurization of a steel melt | |
| CA1045824A (en) | Process for the production of steel with increased ductility | |
| US4746361A (en) | Controlling dissolved oxygen content in molten steel | |
| KR950013823B1 (ko) | 개선된 제강방법과 이것에 이용되는 합성융제 조성물 | |
| US4286984A (en) | Compositions and methods of production of alloy for treatment of liquid metals | |
| CA1234989A (en) | Process for refining hot metal | |
| US4123258A (en) | Process for the production of steel with increased ductility and for the desulfurization of a steel melt | |
| US4067730A (en) | Process for the production of steel with increased ductility | |
| JPS6241290B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| SU1402621A1 (ru) | Способ производства низкоуглеродистой,низкокремнистой,малоазотистой легированной алюминием стали | |
| CN87100166A (zh) | 高合金钢的吹氧转炉冶炼工艺方法 | |
| US2079848A (en) | Making steel | |
| CN1095762A (zh) | 使用铝渣进行的钢铁冶炼方法 | |
| SU779395A1 (ru) | Способ выплавки стали в кислородном конвертере | |
| GB2038367A (en) | Controlling the aluminium content of continuously cast silicon steels | |
| GB2050431A (en) | Desulphurisation of deep-drawing steels | |
| JP3505791B2 (ja) | 溶銑の脱燐・脱硫法 | |
| US4881990A (en) | Steel product with globular manganese sulfide inclusions | |
| SU1036760A1 (ru) | Шлак дл рафинировани сталей и сплавов | |
| SU704996A1 (ru) | Способ внепечной обработки стали | |
| US4065297A (en) | Process for dephosphorizing molten pig iron | |
| JPS6011099B2 (ja) | 低燐マンガン合金鉄の製造方法 | |
| SU1167212A1 (ru) | Рафинировочна смесь | |
| JPH10317035A (ja) | 鉄系溶融合金の脱硫方法および脱硫剤 |