FR2438091A1 - Procede et appareillage pour reduire la teneur en inclusions des aciers et pour affiner leur structure - Google Patents
Procede et appareillage pour reduire la teneur en inclusions des aciers et pour affiner leur structureInfo
- Publication number
- FR2438091A1 FR2438091A1 FR7924400A FR7924400A FR2438091A1 FR 2438091 A1 FR2438091 A1 FR 2438091A1 FR 7924400 A FR7924400 A FR 7924400A FR 7924400 A FR7924400 A FR 7924400A FR 2438091 A1 FR2438091 A1 FR 2438091A1
- Authority
- FR
- France
- Prior art keywords
- steels
- refining
- reducing
- inclusion content
- magnesium
- 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.)
- Granted
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
- C21C7/06—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
- C21C7/0081—Treating and handling under pressure
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)
- Manufacture And Refinement Of Metals (AREA)
Abstract
PROCEDE DE REDUCTION DE LA TENEUR EN INCLUSION DES ACIERS ET D'AFFINAGE DE LEUR STRUCTURE. IL CONSISTE A ELIMINER LES INCLUSIONS SOUS UNE PRESSION D'AU MOINS 1 ATM AU MOYEN D'UN ALLIAGE CONTENANT DU CALCIUM ETOU DU MAGNESIUM, PUIS A FAIRE LE VIDE POUR FAIRE EVAPORER LE CALCIUM ET LE MAGNESIUM CONTENUS DANS L'ACIER.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HU78VA1535A HU179333B (en) | 1978-10-04 | 1978-10-04 | Method and apparatus for decreasing the unclusion contents and refining the structure of steels |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2438091A1 true FR2438091A1 (fr) | 1980-04-30 |
FR2438091B1 FR2438091B1 (fr) | 1985-10-11 |
Family
ID=11002364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7924400A Expired FR2438091B1 (fr) | 1978-10-04 | 1979-10-01 | Procede et appareillage pour reduire la teneur en inclusions des aciers et pour affiner leur structure |
Country Status (10)
Country | Link |
---|---|
US (1) | US4294611A (fr) |
AT (1) | AT388568B (fr) |
BE (1) | BE879176A (fr) |
CS (1) | CS259504B2 (fr) |
FR (1) | FR2438091B1 (fr) |
GB (1) | GB2043113B (fr) |
HU (1) | HU179333B (fr) |
PL (1) | PL120419B1 (fr) |
SU (1) | SU882416A3 (fr) |
YU (1) | YU240179A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0322763A2 (fr) * | 1987-12-25 | 1989-07-05 | Nkk Corporation | Procédé et appareillage de purification de métal liquide |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4465513A (en) * | 1983-10-03 | 1984-08-14 | Union Carbide Corporation | Process to control the shape of inclusions in steels |
DE3935014A1 (de) * | 1989-10-20 | 1991-04-25 | Pfeiffer Vakuumtechnik | Mehrkammer-vakuumanlage |
EP1826282B1 (fr) | 2002-11-19 | 2010-01-20 | Hitachi Metals, Ltd. | Procédé de production d'acier maraging |
WO2005035798A1 (fr) | 2003-10-08 | 2005-04-21 | Hitachi Metals, Ltd. | Procede de production de lingots d'acier |
CN103305659B (zh) * | 2012-03-08 | 2016-03-30 | 宝山钢铁股份有限公司 | 磁性优良的无取向电工钢板及其钙处理方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1176680B (de) * | 1953-09-29 | 1964-08-27 | Gutehoffnungshuette Sterkrade | Verfahren zum Behandeln von Gusseisen- oder Stahlschmelzen mit Magnesium |
US3218156A (en) * | 1963-10-16 | 1965-11-16 | Howe Sound Co | Process for vacuum deoxidation of alloys |
FR1475593A (fr) * | 1966-04-14 | 1967-03-31 | Asea Ab | Traitement sous pression d'un bain en fusion et dispositif pour la mise en oeuvre dece procédé |
FR2227331A1 (fr) * | 1973-04-28 | 1974-11-22 | Thyssen Niederrhein Ag |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB935065A (en) * | 1958-09-25 | 1963-08-28 | Birmingham Small Arms Co Ltd | Improvements in or relating to the melting of steels |
US3336132A (en) * | 1964-03-09 | 1967-08-15 | Crucible Steel Co America | Stainless steel manufacturing process and equipment |
DE1433570A1 (de) * | 1964-05-20 | 1968-11-07 | Kaiser Ind Corp | Kontinuierliches Verfahren und Vorrichtung zur Erzeugung von Gusskoerpern aus oxydierbaren Metallen |
NL126941C (fr) * | 1964-06-08 | |||
US3467167A (en) * | 1966-09-19 | 1969-09-16 | Kaiser Ind Corp | Process for continuously casting oxidizable metals |
DE1802991B2 (de) * | 1968-10-14 | 1972-02-17 | Süddeutsche Kalkstickstoff-Werke AG, 8223 Trostberg | Verwendung einer desoxydationslegierung zur herstellung von zumstranggiessen geeigneten stahlschmelzen |
DE1904442B2 (de) * | 1969-01-30 | 1978-01-19 | Hoesch Werke Ag, 4600 Dortmund | Verfahren zum vakuumfrischen von metallschmelzen |
US3702243A (en) * | 1969-04-15 | 1972-11-07 | Nat Steel Corp | Method of preparing deoxidized steel |
DE1965136B1 (de) * | 1969-12-27 | 1971-02-25 | Standard Messo Duisburg | Vorrichtung zur Pfannen-Entgasung von Stahl- oder anderen Metallschmelzen |
DE2208736C2 (de) * | 1972-02-24 | 1975-06-05 | Stahlwerke Suedwestfalen Ag, 5930 Huettextal-Geisweid | Verfahren zum Herstellen legierter Stähle |
GB1494668A (en) * | 1975-06-05 | 1977-12-07 | Sumitomo Metal Ind | Process for the addition of calcium to molten steel |
DE2527156B2 (de) * | 1975-06-18 | 1980-09-04 | Thyssen Niederrhein Ag Huetten- Und Walzwerke, 4200 Oberhausen | Verfahren zur Vorbehandlung einer Stahlschmelze beim Stranggießen |
IT1047585B (it) * | 1975-09-26 | 1980-10-20 | Centro Speriment Metallurg | Perfezionamento alla disossidazione e desolforazione dell acciaio |
US3998625A (en) * | 1975-11-12 | 1976-12-21 | Jones & Laughlin Steel Corporation | Desulfurization method |
-
1978
- 1978-10-04 HU HU78VA1535A patent/HU179333B/hu not_active IP Right Cessation
-
1979
- 1979-09-25 GB GB8033180A patent/GB2043113B/en not_active Expired
- 1979-10-01 FR FR7924400A patent/FR2438091B1/fr not_active Expired
- 1979-10-02 YU YU02401/79A patent/YU240179A/xx unknown
- 1979-10-03 CS CS796723A patent/CS259504B2/cs unknown
- 1979-10-03 BE BE0/197460A patent/BE879176A/fr not_active IP Right Cessation
- 1979-10-03 US US06/081,350 patent/US4294611A/en not_active Expired - Lifetime
- 1979-10-03 SU SU792822002A patent/SU882416A3/ru active
- 1979-10-04 AT AT0648379A patent/AT388568B/de not_active IP Right Cessation
- 1979-10-04 PL PL1979218728A patent/PL120419B1/pl unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1176680B (de) * | 1953-09-29 | 1964-08-27 | Gutehoffnungshuette Sterkrade | Verfahren zum Behandeln von Gusseisen- oder Stahlschmelzen mit Magnesium |
US3218156A (en) * | 1963-10-16 | 1965-11-16 | Howe Sound Co | Process for vacuum deoxidation of alloys |
FR1475593A (fr) * | 1966-04-14 | 1967-03-31 | Asea Ab | Traitement sous pression d'un bain en fusion et dispositif pour la mise en oeuvre dece procédé |
FR2227331A1 (fr) * | 1973-04-28 | 1974-11-22 | Thyssen Niederrhein Ag |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0322763A2 (fr) * | 1987-12-25 | 1989-07-05 | Nkk Corporation | Procédé et appareillage de purification de métal liquide |
EP0322763A3 (en) * | 1987-12-25 | 1990-02-07 | Nkk Corporation | Method for cleaning molten metal and apparatus therefor |
AU605949B2 (en) * | 1987-12-25 | 1991-01-24 | Nkk Corporation | Method for cleaning molten metal and apparatus therefor |
Also Published As
Publication number | Publication date |
---|---|
SU882416A3 (ru) | 1981-11-15 |
ATA648379A (de) | 1983-10-15 |
YU240179A (en) | 1983-02-28 |
AT388568B (de) | 1989-07-25 |
PL120419B1 (en) | 1982-02-27 |
PL218728A1 (fr) | 1980-06-16 |
US4294611A (en) | 1981-10-13 |
CS259504B2 (en) | 1988-10-14 |
BE879176A (fr) | 1980-02-01 |
GB2043113A (en) | 1980-10-01 |
FR2438091B1 (fr) | 1985-10-11 |
HU179333B (en) | 1982-09-28 |
GB2043113B (en) | 1983-01-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |