GB1293979A - Continuous casting slag and method of making - Google Patents
Continuous casting slag and method of makingInfo
- Publication number
- GB1293979A GB1293979A GB38732/70A GB3873270A GB1293979A GB 1293979 A GB1293979 A GB 1293979A GB 38732/70 A GB38732/70 A GB 38732/70A GB 3873270 A GB3873270 A GB 3873270A GB 1293979 A GB1293979 A GB 1293979A
- Authority
- GB
- United Kingdom
- Prior art keywords
- slag
- continuous casting
- caf
- lif
- cao
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
- B22D11/111—Treating the molten metal by using protecting powders
-
- 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
- C21C7/076—Use of slags or fluxes as treating agents
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Continuous Casting (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Glass Compositions (AREA)
- Manufacture Of Iron (AREA)
Abstract
1293979 Continuous casting INLAND STEEL CO 11 Aug 1970 [2 Feb 1970 6 July 1970] 38732/70 Heading B3F [Also in Division C7] A slag, used as a liquid layer and to reduce friction in continuous steel casting, contains in weight per cent 10-55 SiO 2 , 0-40 CaO, 5-40 CaF 2 , 5-30 Na 2 O and/or K 2 O, 0À5-15 Li 2 O and/or LiF, 0-30 B 2 O 3 , with B 2 O 3 + CaF 2 + LiF > 15. The slag has a fluidity of 2-16 inches, a plastic deformation point between 1100‹ and 1700‹ F. and an Al 2 O 3 solubility >20% weight. The standard tests for determining these properties are disclosed. The slag is made by fusing a mixture of the components and grinding the cooled slag to -20 mesh with preferably 50% -100 mesh. The enriched slag may be mixed with 1-10% graphite, lamp black, coke or charcoal. The raw materials used for the slag may be sodium silicate, window glass, fluorspar, metal carbonates, e.g. Na 2 CO 3 and borax. Part of the CaO may be substituted by BaO, MgO or SrO. Oxides of Ni, Co, Pb, Cu, Mo, W, P are only included in the slag if they are required in the steel casting. The crushed slag is added to the surface of the metal in the continuous casting mould to form a molten slag layer ¢-2 inches thick.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US746470A | 1970-02-02 | 1970-02-02 | |
| US5275070A | 1970-07-06 | 1970-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1293979A true GB1293979A (en) | 1972-10-25 |
Family
ID=26677028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB38732/70A Expired GB1293979A (en) | 1970-02-02 | 1970-08-11 | Continuous casting slag and method of making |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS4825865B1 (en) |
| BE (1) | BE755491A (en) |
| CA (1) | CA931589A (en) |
| ES (1) | ES383270A1 (en) |
| FR (1) | FR2091957B1 (en) |
| GB (1) | GB1293979A (en) |
| NL (1) | NL147658B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51108763U (en) * | 1975-02-25 | 1976-08-31 | ||
| JPS5233442U (en) * | 1975-08-30 | 1977-03-09 | ||
| JPH0223569U (en) * | 1988-08-02 | 1990-02-16 |
-
0
- BE BE755491D patent/BE755491A/en unknown
-
1970
- 1970-08-11 GB GB38732/70A patent/GB1293979A/en not_active Expired
- 1970-08-27 NL NL707012748A patent/NL147658B/en not_active IP Right Cessation
- 1970-08-31 JP JP45076232A patent/JPS4825865B1/ja active Pending
- 1970-08-31 ES ES383270A patent/ES383270A1/en not_active Expired
- 1970-09-01 CA CA092124A patent/CA931589A/en not_active Expired
- 1970-09-01 FR FR7031832A patent/FR2091957B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2091957A1 (en) | 1971-01-21 |
| NL147658B (en) | 1975-11-17 |
| CA931589A (en) | 1973-08-07 |
| FR2091957B1 (en) | 1973-10-19 |
| JPS4825865B1 (en) | 1973-08-01 |
| DE2042555A1 (en) | 1971-08-26 |
| DE2042555B2 (en) | 1974-08-01 |
| ES383270A1 (en) | 1973-01-16 |
| BE755491A (en) | 1971-03-01 |
| NL7012748A (en) | 1971-08-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |