JPS6213405B2 - - Google Patents
Info
- Publication number
- JPS6213405B2 JPS6213405B2 JP58087296A JP8729683A JPS6213405B2 JP S6213405 B2 JPS6213405 B2 JP S6213405B2 JP 58087296 A JP58087296 A JP 58087296A JP 8729683 A JP8729683 A JP 8729683A JP S6213405 B2 JPS6213405 B2 JP S6213405B2
- Authority
- JP
- Japan
- Prior art keywords
- hot metal
- oxygen
- chromium
- weight
- blowing
- 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
- 229910052751 metal Inorganic materials 0.000 claims description 96
- 239000002184 metal Substances 0.000 claims description 96
- 239000011651 chromium Substances 0.000 claims description 64
- 238000007664 blowing Methods 0.000 claims description 63
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 62
- 239000001301 oxygen Substances 0.000 claims description 62
- 229910052760 oxygen Inorganic materials 0.000 claims description 62
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 57
- 229910052804 chromium Inorganic materials 0.000 claims description 57
- 238000007670 refining Methods 0.000 claims description 40
- 239000002893 slag Substances 0.000 claims description 34
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 31
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 30
- 229910001882 dioxygen Inorganic materials 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 30
- 238000003723 Smelting Methods 0.000 claims description 25
- 239000007789 gas Substances 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 20
- 229910052799 carbon Inorganic materials 0.000 claims description 20
- 230000004907 flux Effects 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 17
- 238000005261 decarburization Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 7
- 230000001590 oxidative effect Effects 0.000 claims description 7
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical class [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 claims description 6
- 229910001947 lithium oxide Inorganic materials 0.000 claims description 6
- 239000007858 starting material Substances 0.000 claims description 6
- 229910001617 alkaline earth metal chloride Inorganic materials 0.000 claims description 5
- 229910001618 alkaline earth metal fluoride Inorganic materials 0.000 claims description 5
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 claims description 5
- 150000001805 chlorine compounds Chemical class 0.000 claims description 5
- 229910000480 nickel oxide Inorganic materials 0.000 claims description 5
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 12
- 239000000203 mixture Substances 0.000 description 11
- 229910001220 stainless steel Inorganic materials 0.000 description 9
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 7
- 235000011941 Tilia x europaea Nutrition 0.000 description 7
- 239000004571 lime Substances 0.000 description 7
- 239000010935 stainless steel Substances 0.000 description 7
- 229910052786 argon Inorganic materials 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000006722 reduction reaction Methods 0.000 description 4
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 3
- 239000000571 coke Substances 0.000 description 3
- 239000010436 fluorite Substances 0.000 description 3
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 3
- 229910052808 lithium carbonate Inorganic materials 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000004215 Carbon black (E152) Substances 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
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000011574 phosphorus 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
-
- 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
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)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58087296A JPS59211519A (ja) | 1983-05-18 | 1983-05-18 | 低ｐ含クロム鋼の製造法 |
| KR1019840002639A KR910009961B1 (ko) | 1983-05-18 | 1984-05-16 | 저 p 함유 크롬강의 제조방법 |
| IT67492/84A IT1179669B (it) | 1983-05-18 | 1984-05-17 | Procedimento per produrre un acciaio al cromo a basso p |
| ES532584A ES8603583A1 (es) | 1983-05-18 | 1984-05-17 | Procedimiento para producir acero al cromo con bajo contenido en fosforo. |
| FR848407683A FR2546182B1 (fr) | 1983-05-18 | 1984-05-17 | Procede de production d'acier contenant du chrome a faible teneur en p |
| SE8402668A SE459184B (sv) | 1983-05-18 | 1984-05-17 | Foerfarande foer framstaellning av kromhaltigt staal med laag fosforhalt |
| GB08412791A GB2141739B (en) | 1983-05-18 | 1984-05-18 | Process for producing low p chromium-containing steel |
| DE3418643A DE3418643C2 (de) | 1983-05-18 | 1984-05-18 | Verfahren zur Herstellung eines einen niedrigen Phosphorwert aufweisenden Chrom enthaltenden Stahls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58087296A JPS59211519A (ja) | 1983-05-18 | 1983-05-18 | 低ｐ含クロム鋼の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59211519A JPS59211519A (ja) | 1984-11-30 |
| JPS6213405B2 true JPS6213405B2 (fr) | 1987-03-26 |
Family
ID=13910852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58087296A Granted JPS59211519A (ja) | 1983-05-18 | 1983-05-18 | 低ｐ含クロム鋼の製造法 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS59211519A (fr) |
| KR (1) | KR910009961B1 (fr) |
| DE (1) | DE3418643C2 (fr) |
| ES (1) | ES8603583A1 (fr) |
| FR (1) | FR2546182B1 (fr) |
| GB (1) | GB2141739B (fr) |
| IT (1) | IT1179669B (fr) |
| SE (1) | SE459184B (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03119308U (fr) * | 1990-03-14 | 1991-12-09 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63216917A (ja) * | 1987-03-05 | 1988-09-09 | Nippon Steel Corp | 溶融金属容器内溶鋼の精錬法 |
| DE102005032929A1 (de) * | 2004-11-12 | 2006-05-18 | Sms Demag Ag | Herstellung von Rostfreistahl der ferritischen Stahlgruppe AISI 4xx in einem AOD-Konverter |
| DE102006056671A1 (de) * | 2006-11-30 | 2008-06-05 | Sms Demag Ag | Verfahren und Vorrichtung zur Rostfreistahlerzeugung ohne elektrische Energiezufuhr auf der Basis von in einer DDD-Anlage vorbehandeltem Roheisen |
| DE102006056672A1 (de) | 2006-11-30 | 2008-06-05 | Sms Demag Ag | Verfahren und Vorrichtung zur Rostfreistahlerzeugung ohne elektrische Energiezufuhr auf der Basis von Roheisen |
| DE102007015585A1 (de) * | 2007-03-29 | 2008-10-02 | M.K.N. Technologies Gmbh | Schmelzmetallurgisches Verfahren zur Herstellung von Metallschmelzen und übergangsmetallhaltiger Zuschlagstoff zur Verwendung in diesen |
| CN114875211B (zh) * | 2022-05-18 | 2023-10-31 | 山西太钢不锈钢股份有限公司 | 一种冶炼不锈钢高效脱硅的方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS531620A (en) * | 1976-06-28 | 1978-01-09 | Nippon Steel Corp | Production of high chromium steel |
| JPS532324A (en) * | 1976-06-29 | 1978-01-11 | Nippon Steel Corp | Melting and ingot casting of low phosphor chromium steel |
| JPS565910A (en) * | 1979-06-29 | 1981-01-22 | Nisshin Steel Co Ltd | Dephosphorizing method of pig iron containing chromium |
| JPS5852412A (ja) * | 1981-09-22 | 1983-03-28 | Nippon Steel Corp | 溶銑の脱リン方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU80006A1 (fr) * | 1978-07-20 | 1980-02-14 | Arbed | Procede d'elaboration d'aciers allies au chrome,notamment d'aciers inoxydables |
| US4295882A (en) * | 1978-10-24 | 1981-10-20 | Nippon Steel Corporation | Steel making process |
| GB2049731B (en) * | 1979-05-19 | 1983-03-30 | Tokushu Kinzoku Kenkyujo Kk | Refining process for removing acid oxide-forming elements from high-ni and/or high-co alloy steel |
| JPS6023182B2 (ja) * | 1979-12-01 | 1985-06-06 | 新日本製鐵株式会社 | 中炭素高クロム溶湯の溶製方法 |
| GB2078260B (en) * | 1980-06-20 | 1984-08-08 | Nisshin Steel Co Ltd | Refining cr-containing iron |
| JPS5770219A (en) * | 1980-10-21 | 1982-04-30 | Nisshin Steel Co Ltd | Method for dephosphorizing, desulfurizing and denitrifying iron alloy |
| IT1171888B (it) * | 1982-12-02 | 1987-06-10 | Nippon Steel Corp | Procedimento per la produzione di acciaio inossidabile |
-
1983
- 1983-05-18 JP JP58087296A patent/JPS59211519A/ja active Granted
-
1984
- 1984-05-16 KR KR1019840002639A patent/KR910009961B1/ko not_active IP Right Cessation
- 1984-05-17 SE SE8402668A patent/SE459184B/sv not_active IP Right Cessation
- 1984-05-17 IT IT67492/84A patent/IT1179669B/it active
- 1984-05-17 ES ES532584A patent/ES8603583A1/es not_active Expired
- 1984-05-17 FR FR848407683A patent/FR2546182B1/fr not_active Expired
- 1984-05-18 GB GB08412791A patent/GB2141739B/en not_active Expired
- 1984-05-18 DE DE3418643A patent/DE3418643C2/de not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS531620A (en) * | 1976-06-28 | 1978-01-09 | Nippon Steel Corp | Production of high chromium steel |
| JPS532324A (en) * | 1976-06-29 | 1978-01-11 | Nippon Steel Corp | Melting and ingot casting of low phosphor chromium steel |
| JPS565910A (en) * | 1979-06-29 | 1981-01-22 | Nisshin Steel Co Ltd | Dephosphorizing method of pig iron containing chromium |
| JPS5852412A (ja) * | 1981-09-22 | 1983-03-28 | Nippon Steel Corp | 溶銑の脱リン方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03119308U (fr) * | 1990-03-14 | 1991-12-09 |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1179669B (it) | 1987-09-16 |
| GB2141739A (en) | 1985-01-03 |
| IT8467492A0 (it) | 1984-05-17 |
| KR910009961B1 (ko) | 1991-12-07 |
| ES532584A0 (es) | 1985-12-16 |
| KR840008921A (ko) | 1984-12-20 |
| SE459184B (sv) | 1989-06-12 |
| FR2546182A1 (fr) | 1984-11-23 |
| GB2141739B (en) | 1986-04-09 |
| FR2546182B1 (fr) | 1989-02-17 |
| SE8402668L (sv) | 1984-11-19 |
| ES8603583A1 (es) | 1985-12-16 |
| SE8402668D0 (sv) | 1984-05-17 |
| DE3418643C2 (de) | 1994-03-24 |
| DE3418643A1 (de) | 1984-11-22 |
| IT8467492A1 (it) | 1985-11-17 |
| JPS59211519A (ja) | 1984-11-30 |
| GB8412791D0 (en) | 1984-06-27 |
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