JPH025801B2 - - Google Patents
Info
- Publication number
- JPH025801B2 JPH025801B2 JP58116285A JP11628583A JPH025801B2 JP H025801 B2 JPH025801 B2 JP H025801B2 JP 58116285 A JP58116285 A JP 58116285A JP 11628583 A JP11628583 A JP 11628583A JP H025801 B2 JPH025801 B2 JP H025801B2
- Authority
- JP
- Japan
- Prior art keywords
- molten metal
- steel
- oxygen
- weight
- vessel
- 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 - Lifetime
Links
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
- C21C5/30—Regulating or controlling the blowing
- C21C5/34—Blowing through the bath
-
- 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)
- Diaphragms For Electromechanical Transducers (AREA)
- Luminescent Compositions (AREA)
- Medicines Containing Plant Substances (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US393467 | 1982-06-29 | ||
| US06/393,467 US4451288A (en) | 1982-06-29 | 1982-06-29 | Method for producing low hydrogen content in steels produced by subsurface pneumatic refining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5964711A JPS5964711A (ja) | 1984-04-12 |
| JPH025801B2 true JPH025801B2 (https=) | 1990-02-06 |
Family
ID=23554815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58116285A Granted JPS5964711A (ja) | 1982-06-29 | 1983-06-29 | 浴面下気体吹込精錬により製造される鋼において低水素含量を生成する方法 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4451288A (https=) |
| EP (1) | EP0097971B1 (https=) |
| JP (1) | JPS5964711A (https=) |
| AT (1) | ATE27307T1 (https=) |
| BR (1) | BR8303453A (https=) |
| DE (1) | DE3371649D1 (https=) |
| ES (1) | ES523686A0 (https=) |
| FI (1) | FI73462B (https=) |
| IN (1) | IN159567B (https=) |
| MX (1) | MX165083B (https=) |
| ZA (1) | ZA834766B (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4869749A (en) * | 1988-11-23 | 1989-09-26 | Air Products And Chemicals, Inc. | Chemical dehydrogenation of molten ferrous alloys using a halogen-containing compound |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2548849A (en) * | 1946-01-12 | 1951-04-10 | Armco Steel Corp | Elimination of hydrogen from heats of killed steel |
| BE610265A (https=) * | 1960-11-18 | |||
| DE1909780A1 (de) * | 1969-02-27 | 1970-11-19 | Maximilianshuette Eisenwerk | Verfahren zum Senken der Sauerstoff- und Wasserstoffgehalte in kohlenstoffarmen Staehlen |
| BE755456A (fr) * | 1969-08-29 | 1971-03-01 | Allegheny Ludlum Ind Inc | Decarburation de l'acier fondu |
| BE789083A (fr) * | 1971-10-06 | 1973-01-15 | Uddeholms Ab | Procede de reduction de la teneur de carbone dans des produits metallurgiques |
| US4187102A (en) * | 1978-08-24 | 1980-02-05 | Union Carbide Corporation | Method for controlling the temperature of the melt during pneumatic refining of steel |
| US4278464A (en) * | 1979-12-27 | 1981-07-14 | Union Carbide Corporation | Method for preventing slopping during subsurface pneumatic refining of steel |
| US4436553A (en) * | 1982-01-22 | 1984-03-13 | Union Carbide Corporation | Process to produce low hydrogen steel |
-
1982
- 1982-06-29 US US06/393,467 patent/US4451288A/en not_active Expired - Fee Related
-
1983
- 1983-06-28 IN IN433/DEL/83A patent/IN159567B/en unknown
- 1983-06-28 BR BR8303453A patent/BR8303453A/pt not_active IP Right Cessation
- 1983-06-29 DE DE8383106349T patent/DE3371649D1/de not_active Expired
- 1983-06-29 AT AT83106349T patent/ATE27307T1/de not_active IP Right Cessation
- 1983-06-29 EP EP83106349A patent/EP0097971B1/en not_active Expired
- 1983-06-29 MX MX8381A patent/MX165083B/es unknown
- 1983-06-29 JP JP58116285A patent/JPS5964711A/ja active Granted
- 1983-06-29 FI FI832380A patent/FI73462B/fi not_active Application Discontinuation
- 1983-06-29 ES ES523686A patent/ES523686A0/es active Granted
- 1983-06-29 ZA ZA834766A patent/ZA834766B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0097971B1 (en) | 1987-05-20 |
| BR8303453A (pt) | 1984-02-07 |
| ZA834766B (en) | 1984-03-28 |
| FI832380A0 (fi) | 1983-06-29 |
| EP0097971A2 (en) | 1984-01-11 |
| FI832380L (fi) | 1983-12-30 |
| US4451288A (en) | 1984-05-29 |
| DE3371649D1 (en) | 1987-06-25 |
| FI73462B (fi) | 1987-06-30 |
| ES8503031A1 (es) | 1985-02-01 |
| JPS5964711A (ja) | 1984-04-12 |
| IN159567B (https=) | 1987-05-23 |
| MX165083B (es) | 1992-10-21 |
| ES523686A0 (es) | 1985-02-01 |
| ATE27307T1 (de) | 1987-06-15 |
| EP0097971A3 (en) | 1984-02-08 |
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