GB1453717A - Manufacture of steel - Google Patents
Manufacture of steelInfo
- Publication number
- GB1453717A GB1453717A GB3900373A GB3900373A GB1453717A GB 1453717 A GB1453717 A GB 1453717A GB 3900373 A GB3900373 A GB 3900373A GB 3900373 A GB3900373 A GB 3900373A GB 1453717 A GB1453717 A GB 1453717A
- Authority
- GB
- United Kingdom
- Prior art keywords
- steel
- sulphur
- less
- aug
- rare earth
- 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
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
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; 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
- C21C7/06—Deoxidising, e.g. killing
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)
Abstract
1453717 Refining steel BRITISH STEEL CORP 16 Aug 1974 [17 Aug 1973] 39003/73 Heading C7D Steel is deoxidized until the oxygen content together with 0À2 times the sulphur content amounts to less than 0À011%, after which there is added one or more rare earth metals or compounds containing them while the steel is agitated. In preferred embodiments the steel contains less than 0À007% oxygen and less than 0À02% sulphur before introduction of the rare earth metals, the addition of which lies between 0À1 and 10 kg for 0À01% of sulphur per ton of steel. Agitation may be electromagnetic, or by gas injection through a lance or porous plug, while the steel may be simultaneously heated by electric arc.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3900373A GB1453717A (en) | 1973-08-17 | 1973-08-17 | Manufacture of steel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3900373A GB1453717A (en) | 1973-08-17 | 1973-08-17 | Manufacture of steel |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1453717A true GB1453717A (en) | 1976-10-27 |
Family
ID=10407016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3900373A Expired GB1453717A (en) | 1973-08-17 | 1973-08-17 | Manufacture of steel |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1453717A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2404676A2 (en) * | 1977-10-03 | 1979-04-27 | Molycorp Inc | PROCESS FOR DESULFURING A FLUID MATERIAL |
FR2407985A1 (en) * | 1977-11-04 | 1979-06-01 | Molycorp Inc | Desulphurisation of molten iron and steel or stack gases - using rare earth oxide under deoxidising conditions |
EP1408125A1 (en) * | 2001-06-28 | 2004-04-14 | Nippon Steel Corporation | Low carbon steel sheet, low carbon steel cast piece and method for production thereof |
CN113416813A (en) * | 2021-05-14 | 2021-09-21 | 包头钢铁(集团)有限责任公司 | Method for controlling addition of rare earth alloy of rare earth structural steel |
-
1973
- 1973-08-17 GB GB3900373A patent/GB1453717A/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2404676A2 (en) * | 1977-10-03 | 1979-04-27 | Molycorp Inc | PROCESS FOR DESULFURING A FLUID MATERIAL |
FR2407985A1 (en) * | 1977-11-04 | 1979-06-01 | Molycorp Inc | Desulphurisation of molten iron and steel or stack gases - using rare earth oxide under deoxidising conditions |
EP1408125A1 (en) * | 2001-06-28 | 2004-04-14 | Nippon Steel Corporation | Low carbon steel sheet, low carbon steel cast piece and method for production thereof |
EP1408125A4 (en) * | 2001-06-28 | 2007-07-25 | Nippon Steel Corp | Low carbon steel sheet,low carbon steel cast piece and method for production thereof. |
US7347904B2 (en) | 2001-06-28 | 2008-03-25 | Nippon Steel Corporation | Low carbon steel sheet and low carbon steel slab and process for producing same |
US8048197B2 (en) | 2001-06-28 | 2011-11-01 | Nippon Steel Corporation | Low carbon steel sheet and low carbon steel slab and process for producing same |
CN113416813A (en) * | 2021-05-14 | 2021-09-21 | 包头钢铁(集团)有限责任公司 | Method for controlling addition of rare earth alloy of rare earth structural steel |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |