ZA802836B - Agent for desulfurizing crude iron and steel melts, and process for making it - Google Patents
Agent for desulfurizing crude iron and steel melts, and process for making itInfo
- Publication number
- ZA802836B ZA802836B ZA00802836A ZA802836A ZA802836B ZA 802836 B ZA802836 B ZA 802836B ZA 00802836 A ZA00802836 A ZA 00802836A ZA 802836 A ZA802836 A ZA 802836A ZA 802836 B ZA802836 B ZA 802836B
- Authority
- ZA
- South Africa
- Prior art keywords
- agent
- desulfurizing
- weight
- size
- less
- 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
- 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
- C21C7/0645—Agents used for dephosphorising or 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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
- C21C1/025—Agents used for dephosphorising or desulfurising
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792919324 DE2919324A1 (de) | 1979-05-14 | 1979-05-14 | Entschweflungsmittel fuer roheisen- und stahlschmelzen sowie ein verfahren zu ihrer herstellung |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA802836B true ZA802836B (en) | 1981-06-24 |
Family
ID=6070655
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00802836A ZA802836B (en) | 1979-05-14 | 1980-05-13 | Agent for desulfurizing crude iron and steel melts, and process for making it |
Country Status (9)
Country | Link |
---|---|
US (1) | US4323392A (no) |
EP (1) | EP0019087B1 (no) |
JP (1) | JPS55158212A (no) |
AT (1) | ATE4227T1 (no) |
CA (1) | CA1141964A (no) |
DE (2) | DE2919324A1 (no) |
ES (1) | ES491528A0 (no) |
NO (1) | NO153108C (no) |
ZA (1) | ZA802836B (no) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2920353A1 (de) * | 1979-05-19 | 1980-11-27 | Hoechst Ag | Verfahren zur herstellung von entschweflungsmitteln fuer roheisen- oder stahlschmelzen |
ES497686A0 (es) * | 1979-12-29 | 1981-11-01 | Hoechst Ag | Procedimiento para la preparacion de un agente para la de- sulfuracion de masas fundidas metalicas |
DE2952686A1 (de) * | 1979-12-29 | 1981-07-02 | Hoechst Ag, 6230 Frankfurt | Verfahren zur herstellung von entschwefelungsmitteln fuer roheisen- oder stahlschmelzen |
DE3111510A1 (de) * | 1981-03-24 | 1982-10-07 | Hoechst Ag, 6000 Frankfurt | Entschwefelungsgemisch und verfahren zu seiner herstellung |
DE3111509A1 (de) * | 1981-03-24 | 1982-10-07 | Hoechst Ag, 6000 Frankfurt | Verfahren zur herstellung von entschwefelungsmitteln fuer roheisen- oder stahlschmelzen |
DE3908071A1 (de) * | 1989-03-13 | 1990-09-20 | Hoechst Ag | Mittel und verfahren zum entschwefeln von metallschmelzen |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3666445A (en) * | 1967-12-26 | 1972-05-30 | Kaiser Ind Corp | Auxiliary composition for steel-making furnaces |
DE1758250B1 (de) * | 1968-04-29 | 1971-10-28 | Sueddeutsche Kalkstickstoff | Mittel zum Entschwefeln von Eisenschmelzen |
DE1919414B2 (de) * | 1969-04-17 | 1977-07-14 | Hoechst Ag, 6000 Frankfurt | Verfahren und vorrichtung zum abkuehlen von in gefaesse abgestochenem calciumcarbid |
DE1935567B2 (de) * | 1969-07-12 | 1971-05-13 | Knapsack AG, 5033 Hurth Knapsack | Verfahren zur herstellung von calciumkarbid bestimmter qualitaet |
DE2037758C3 (de) * | 1970-07-30 | 1979-08-02 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von CaIciumkarbid zur Entschwefelung von Metallschmelzen |
JPS554811B2 (no) * | 1973-06-13 | 1980-02-01 | ||
DE2741588C2 (de) * | 1977-09-15 | 1985-02-07 | Skw Trostberg Ag, 8223 Trostberg | Mittel zum Entschwefeln von Eisenschmelzen |
-
1979
- 1979-05-14 DE DE19792919324 patent/DE2919324A1/de not_active Withdrawn
-
1980
- 1980-04-14 EP EP80101985A patent/EP0019087B1/de not_active Expired
- 1980-04-14 AT AT80101985T patent/ATE4227T1/de not_active IP Right Cessation
- 1980-04-14 DE DE8080101985T patent/DE3064206D1/de not_active Expired
- 1980-04-21 CA CA000350241A patent/CA1141964A/en not_active Expired
- 1980-05-09 US US06/148,565 patent/US4323392A/en not_active Expired - Lifetime
- 1980-05-13 NO NO801420A patent/NO153108C/no unknown
- 1980-05-13 ZA ZA00802836A patent/ZA802836B/xx unknown
- 1980-05-13 JP JP6234480A patent/JPS55158212A/ja active Granted
- 1980-05-14 ES ES491528A patent/ES491528A0/es active Granted
Also Published As
Publication number | Publication date |
---|---|
EP0019087A1 (de) | 1980-11-26 |
NO153108C (no) | 1986-01-15 |
ES8101121A1 (es) | 1980-12-16 |
JPS6353244B2 (no) | 1988-10-21 |
ATE4227T1 (de) | 1983-08-15 |
JPS55158212A (en) | 1980-12-09 |
ES491528A0 (es) | 1980-12-16 |
NO153108B (no) | 1985-10-07 |
CA1141964A (en) | 1983-03-01 |
US4323392A (en) | 1982-04-06 |
DE2919324A1 (de) | 1980-12-04 |
DE3064206D1 (en) | 1983-08-25 |
EP0019087B1 (de) | 1983-07-20 |
NO801420L (no) | 1980-11-17 |
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