NO128331B - - Google Patents
Download PDFInfo
- Publication number
- NO128331B NO128331B NO00371/69A NO37169A NO128331B NO 128331 B NO128331 B NO 128331B NO 00371/69 A NO00371/69 A NO 00371/69A NO 37169 A NO37169 A NO 37169A NO 128331 B NO128331 B NO 128331B
- Authority
- NO
- Norway
- Prior art keywords
- carbon
- carrier gas
- steel
- bath
- oxide
- Prior art date
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
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
- C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
-
- 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
-
- 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
-
- 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)
- Manufacturing & Machinery (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB540968 | 1968-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO128331B true NO128331B (enExample) | 1973-10-29 |
Family
ID=9795642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO00371/69A NO128331B (enExample) | 1968-02-02 | 1969-01-31 |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE727735A (enExample) |
| CH (1) | CH519024A (enExample) |
| DE (1) | DE1904914A1 (enExample) |
| ES (1) | ES363201A1 (enExample) |
| FR (1) | FR2001274A1 (enExample) |
| GB (1) | GB1259275A (enExample) |
| HK (1) | HK56477A (enExample) |
| NO (1) | NO128331B (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4212665A (en) * | 1978-07-27 | 1980-07-15 | Special Metals Corporation | Decarburization of metallic alloys |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR564035A (fr) * | 1922-03-17 | 1923-12-19 | Procédé d'affinage des alliages ferreux à faible teneur en carbone | |
| FR565353A (fr) * | 1922-04-25 | 1924-01-25 | Perfectionnements dans l'extraction et l'affinage des métaux et des alliages |
-
1968
- 1968-02-02 GB GB540968A patent/GB1259275A/en not_active Expired
-
1969
- 1969-01-30 FR FR6902474A patent/FR2001274A1/fr active Granted
- 1969-01-31 NO NO00371/69A patent/NO128331B/no unknown
- 1969-01-31 DE DE19691904914 patent/DE1904914A1/de active Pending
- 1969-01-31 CH CH157169A patent/CH519024A/fr not_active IP Right Cessation
- 1969-01-31 BE BE727735D patent/BE727735A/xx unknown
- 1969-02-01 ES ES363201A patent/ES363201A1/es not_active Expired
-
1977
- 1977-11-10 HK HK564/77A patent/HK56477A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HK56477A (en) | 1977-11-18 |
| GB1259275A (enExample) | 1972-01-05 |
| ES363201A1 (es) | 1970-12-01 |
| FR2001274A1 (fr) | 1969-09-26 |
| FR2001274B1 (enExample) | 1974-05-03 |
| CH519024A (fr) | 1972-02-15 |
| DE1904914A1 (de) | 1972-02-17 |
| BE727735A (enExample) | 1969-07-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3336132A (en) | Stainless steel manufacturing process and equipment | |
| CN101979672A (zh) | 一种在钢包内脱磷至超低的方法 | |
| CN109161634A (zh) | 一种转炉冶炼中锰低硅高磷铁水提碳保锰的制备方法 | |
| US4410360A (en) | Process for producing high chromium steel | |
| CN113005261A (zh) | 一种小容量aod炉冶炼不锈钢的综合脱氧脱硫工艺 | |
| US4097269A (en) | Process of desulfurizing liquid melts | |
| NO743247L (enExample) | ||
| US2569146A (en) | Metallurgical addition agent | |
| NO128331B (enExample) | ||
| CN107287387A (zh) | 一种含Ti钢的冶炼方法及一种AOD炉 | |
| EP0033780A1 (en) | Method for preventing slopping during subsurface pneumatic refining of steel | |
| CN113122678B (zh) | 一种利用钒渣增钒炼钢的冶炼方法 | |
| CN106222523B (zh) | 真空环境中添加铬矿进行合金化的炼钢方法及顶吹喷粉枪 | |
| US3607227A (en) | Production of spheroidal graphite irons | |
| RU2566230C2 (ru) | Способ переработки в кислородном конвертере низкокремнистого ванадийсодержащего металлического расплава | |
| US4021233A (en) | Metallurgical process | |
| CN114959436A (zh) | 一种有效提高高端装备用特殊钢稀土收得率的铈钙铁合金 | |
| US3234011A (en) | Process for the production of steel | |
| US3749567A (en) | Process for reducing iron oxide fume formation during refining of steel | |
| CN116121489B (zh) | 一种双相钢连铸过程浸入式水口堵塞的改善方法 | |
| CN111560558A (zh) | 一种铁水变钢水降低炼钢成本的工艺方法 | |
| SU1068526A1 (ru) | Сплав дл легировани и раскислени стали | |
| CN115418434B (zh) | 一种增碳用低磷铁水的生产方法 | |
| CN115305312B (zh) | 一种降低vd工序高锰钢锰烧损的方法 | |
| Schrade et al. | Desulfurization of Molten Steel in RH-Degasser by Powder Blowing to Produce Silicon Steel–Operational Results Maanshan ISCO |