EP0328270A3 - Agent de traitement métallurgique - Google Patents
Agent de traitement métallurgique Download PDFInfo
- Publication number
- EP0328270A3 EP0328270A3 EP89300681A EP89300681A EP0328270A3 EP 0328270 A3 EP0328270 A3 EP 0328270A3 EP 89300681 A EP89300681 A EP 89300681A EP 89300681 A EP89300681 A EP 89300681A EP 0328270 A3 EP0328270 A3 EP 0328270A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- treatment agents
- magnesium
- coated
- metallurgical treatment
- coating
- 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.)
- Withdrawn
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 3
- 229910052749 magnesium Inorganic materials 0.000 abstract 3
- 239000011777 magnesium Substances 0.000 abstract 3
- 229910000831 Steel Inorganic materials 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- -1 ferrous metals Chemical class 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 2
- 235000017550 sodium carbonate Nutrition 0.000 abstract 2
- 239000010959 steel Substances 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 230000002209 hydrophobic effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000010944 pre-mature reactiony Methods 0.000 abstract 1
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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
- C21C1/025—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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0056—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires
-
- 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
-
- 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
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)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8802951 | 1988-02-09 | ||
| GB888802951A GB8802951D0 (en) | 1988-02-09 | 1988-02-09 | Metallurgical treatment agents |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0328270A2 EP0328270A2 (fr) | 1989-08-16 |
| EP0328270A3 true EP0328270A3 (fr) | 1990-02-14 |
Family
ID=10631378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP89300681A Withdrawn EP0328270A3 (fr) | 1988-02-09 | 1989-01-25 | Agent de traitement métallurgique |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0328270A3 (fr) |
| JP (1) | JPH01225714A (fr) |
| BR (1) | BR8900561A (fr) |
| GB (1) | GB8802951D0 (fr) |
| ZA (1) | ZA89932B (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2668776B1 (fr) * | 1990-11-05 | 1994-05-13 | Pechiney Electrometallurgie | Produit pour desulfuration des fontes ou aciers liquides a base de magnesium enrobe. |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE881797C (de) * | 1949-11-30 | 1953-07-02 | Solvay Werke Gmbh | Entschwefeln und Desoxydieren einer Eisenschmelze |
| FR2228844A1 (fr) * | 1973-05-08 | 1974-12-06 | Arbed | |
| GB1379654A (en) * | 1972-05-08 | 1975-01-08 | Foseco Int | Treating molten metals |
| WO1979000398A1 (fr) * | 1977-12-16 | 1979-07-12 | Foseco Int | Desulfuration des metaux ferreux |
-
1988
- 1988-02-09 GB GB888802951A patent/GB8802951D0/en active Pending
-
1989
- 1989-01-25 EP EP89300681A patent/EP0328270A3/fr not_active Withdrawn
- 1989-02-06 JP JP1027328A patent/JPH01225714A/ja active Pending
- 1989-02-07 ZA ZA89932A patent/ZA89932B/xx unknown
- 1989-02-09 BR BR898900561A patent/BR8900561A/pt unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE881797C (de) * | 1949-11-30 | 1953-07-02 | Solvay Werke Gmbh | Entschwefeln und Desoxydieren einer Eisenschmelze |
| GB1379654A (en) * | 1972-05-08 | 1975-01-08 | Foseco Int | Treating molten metals |
| FR2228844A1 (fr) * | 1973-05-08 | 1974-12-06 | Arbed | |
| WO1979000398A1 (fr) * | 1977-12-16 | 1979-07-12 | Foseco Int | Desulfuration des metaux ferreux |
Non-Patent Citations (1)
| Title |
|---|
| CAHIERS D'INFORMATIONS TECHNIQUES, vol. 78, no. 3, March 1981, pages 201-205,, Paris, FR; J. CORDIER et al.: "Désulfuration et traitement de la fonte par injection de magnésium: le procédé USIRMAG 2" * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0328270A2 (fr) | 1989-08-16 |
| GB8802951D0 (en) | 1988-03-09 |
| BR8900561A (pt) | 1989-10-10 |
| JPH01225714A (ja) | 1989-09-08 |
| ZA89932B (en) | 1989-10-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE DE ES FR GB IT LU NL SE |
|
| PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
| AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE DE ES FR GB IT LU NL SE |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 19900815 |