DE3367542D1 - Method of casting steels with higher aluminium standards by continuous billet casting plants - Google Patents
Method of casting steels with higher aluminium standards by continuous billet casting plantsInfo
- Publication number
- DE3367542D1 DE3367542D1 DE8383100005T DE3367542T DE3367542D1 DE 3367542 D1 DE3367542 D1 DE 3367542D1 DE 8383100005 T DE8383100005 T DE 8383100005T DE 3367542 T DE3367542 T DE 3367542T DE 3367542 D1 DE3367542 D1 DE 3367542D1
- Authority
- DE
- Germany
- Prior art keywords
- casting
- steels
- continuous billet
- plants
- ladle
- 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
- C21C7/0006—Adding metallic additives
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Continuous Casting (AREA)
Abstract
1. Method of casting steels with more than 0.02 weight percent metallic aluminium by continuous billet casting plants with freewheeling, calibrated tundish jets, characterized in that from 0.8 to 0.1 weight percent aluminium is added to the ladle, dependent on the C-content, in an amount from 0.04 to 2.0 of the aluminium content, and that thereafter calcium alloys in an amount of 0.05 to 1.2 times the amount in the ladle, based on pure calcium, is added to the ladle.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH10782 | 1982-01-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3367542D1 true DE3367542D1 (en) | 1987-01-02 |
Family
ID=4179430
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8383100005T Expired DE3367542D1 (en) | 1982-01-08 | 1983-01-03 | Method of casting steels with higher aluminium standards by continuous billet casting plants |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0083920B1 (en) |
AT (1) | ATE23463T1 (en) |
DE (1) | DE3367542D1 (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2527156B2 (en) * | 1975-06-18 | 1980-09-04 | Thyssen Niederrhein Ag Huetten- Und Walzwerke, 4200 Oberhausen | Process for the pretreatment of molten steel in continuous casting |
DE2636400A1 (en) * | 1976-08-11 | 1978-02-16 | Mannesmann Ag | PROCESS FOR IMPROVING THE CRYSTAL STRUCTURE OF STRIPPED STEEL |
US4317678A (en) * | 1980-09-26 | 1982-03-02 | Union Carbide Corporation | Process for continuous casting of aluminum-deoxidized steel |
-
1983
- 1983-01-03 DE DE8383100005T patent/DE3367542D1/en not_active Expired
- 1983-01-03 AT AT83100005T patent/ATE23463T1/en not_active IP Right Cessation
- 1983-01-03 EP EP83100005A patent/EP0083920B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0083920A3 (en) | 1983-10-26 |
EP0083920A2 (en) | 1983-07-20 |
EP0083920B1 (en) | 1986-11-12 |
ATE23463T1 (en) | 1986-11-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8328 | Change in the person/name/address of the agent |
Free format text: WEISS, P., DIPL.-FORSTWIRT DR.RER.NAT., PAT.-ANW., 7700 SINGEN |
|
8363 | Opposition against the patent | ||
8339 | Ceased/non-payment of the annual fee |