ES2127208T3 - Procedimiento de decapado de materiales de acero tales como los aceros inoxidables y los aceros aleados. - Google Patents
Procedimiento de decapado de materiales de acero tales como los aceros inoxidables y los aceros aleados.Info
- Publication number
- ES2127208T3 ES2127208T3 ES92400471T ES92400471T ES2127208T3 ES 2127208 T3 ES2127208 T3 ES 2127208T3 ES 92400471 T ES92400471 T ES 92400471T ES 92400471 T ES92400471 T ES 92400471T ES 2127208 T3 ES2127208 T3 ES 2127208T3
- Authority
- ES
- Spain
- Prior art keywords
- acid
- steels
- steel materials
- concentration
- stainless steels
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/086—Iron or steel solutions containing HF
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- ing And Chemical Polishing (AREA)
Abstract
LA PRESENTE INVENCION SE REFIERE A UN PROCESO DE DECAPADO-DESCASCARILLADO DE UN MATERIAL DE ACERO, ELEGIDO EN PARTICULAR ENTRE LOS ACEROS INOXIDABLES Y LOS ACEROS ALEADOS, QUE PERMITE LA ELIMINACION DE UNA CAPA DE OXIDACION INTERNA, CARACTERIZADO EN QUE SE TRATA EL MATERIAL CON UN BAÑO QUE CONTIENE : CIDO ELEGIDO ENTRE UN ACIDO HALOGENADO, EL ACIDO SULFURICO, EL ACIDO FOSFORICO, EL ACIDO FORMICO Y EL ACIDO ACETICO, FERRICOS EN UNA CONCENTRACION DE AL MENOS 20 G/L, Y SE AJUSTAN LAS CONDICIONES DE REACCION DE MANERA A TENER DE MANERA CONCOMUTANTE UNA REDUCCION DEL HIERRO DEL HIERRO FERRICO EN HIERRO FERROSO Y UNA REACCION DE DISOLUCION DE LOS ELEMENTOS METALICOS DE LA MATRIZ DEL MATERIAL, MANTENIENDO EL POTENCIAL DE OXIDORREDUCCION DEL BAÑO EN UN VALOR DE 100 A 350 MV RESPECTO DE AG/AG CL, Y LA CONCENTRACION DE ACIDO DE MANERA QUE LA CANTIDAD DE HIDROGENO DESPRENDIDO SEA DE 0.1 A 5 ML/CM (AL CUADRADO) DE MATERIAL (MEDIDO EN CONDICIONES NORMALES).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9102222A FR2673200A1 (fr) | 1991-02-25 | 1991-02-25 | Procede de surdecapage de materiaux en acier tels que les aciers inoxydables et les aciers allies. |
US08/150,254 US5690748A (en) | 1991-02-25 | 1993-11-10 | Process for the acid pickling of stainless steel products |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2127208T3 true ES2127208T3 (es) | 1999-04-16 |
Family
ID=26228531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES92400471T Expired - Lifetime ES2127208T3 (es) | 1991-02-25 | 1992-02-24 | Procedimiento de decapado de materiales de acero tales como los aceros inoxidables y los aceros aleados. |
Country Status (9)
Country | Link |
---|---|
US (1) | US5690748A (es) |
EP (1) | EP0501867B1 (es) |
AT (1) | ATE175452T1 (es) |
DE (1) | DE69228080T2 (es) |
DK (1) | DK0501867T3 (es) |
ES (1) | ES2127208T3 (es) |
FI (1) | FI99031C (es) |
FR (1) | FR2673200A1 (es) |
GR (1) | GR3029688T3 (es) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1255655B (it) * | 1992-08-06 | 1995-11-09 | Processo di decapaggio e passivazione di acciaio inossidabile senza impiego di acido nitrico | |
DE4237021C1 (de) * | 1992-11-02 | 1994-02-10 | Poligrat Gmbh | Mittel zum Beizen der Oberfläche von Chromnickelstählen und Chromstählen sowie Verwendung des Mittels |
IT1276955B1 (it) | 1995-10-18 | 1997-11-03 | Novamax Itb S R L | Processo di decapaggio e passivazione di acciaio inossidabile senza impiego di acido nitrico |
US5724668A (en) * | 1995-11-07 | 1998-03-03 | Electronic Power Research Institute | Method for decontamination of nuclear plant components |
FR2745301B1 (fr) * | 1996-02-27 | 1998-04-03 | Usinor Sacilor | Procede de decapage d'une piece en acier et notamment d'une bande de tole en acier inoxydable |
US20040140288A1 (en) * | 1996-07-25 | 2004-07-22 | Bakul Patel | Wet etch of titanium-tungsten film |
IT1297076B1 (it) | 1997-11-24 | 1999-08-03 | Acciai Speciali Terni Spa | Metodo per il decapaggio di prodotti in acciaio |
DE19755350A1 (de) * | 1997-12-12 | 1999-06-17 | Henkel Kgaa | Verfahren zum Beizen und Passivieren von Edelstahl |
GB9807286D0 (en) * | 1998-04-06 | 1998-06-03 | Solvay Interox Ltd | Pickling process |
USH2087H1 (en) * | 1998-05-19 | 2003-11-04 | H. C. Starck, Inc. | Pickling of refractory metals |
DE19833990A1 (de) * | 1998-07-29 | 2000-02-10 | Metallgesellschaft Ag | Beizmittel für Edelstähle |
EP1980650A1 (fr) * | 2007-04-05 | 2008-10-15 | Kerma S.A. | Composition de décapage exempte de nitrates et de peroxydes, et procédé mettant en oeuvre une telle composition |
CN109234746A (zh) * | 2018-11-12 | 2019-01-18 | 江阴祥瑞不锈钢精线有限公司 | 一种不锈钢丝的酸洗工艺方法 |
JP7176137B2 (ja) * | 2020-01-09 | 2022-11-21 | Primetals Technologies Japan株式会社 | 鋼板の酸洗方法及び酸洗装置 |
IT202000005848A1 (it) | 2020-03-19 | 2021-09-19 | Tenova Spa | Processo per decapare e/o passivare un acciaio inossidabile. |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2474526A (en) * | 1940-06-15 | 1949-06-28 | Monsanto Chemicals | Picking of stainless steels |
US2337062A (en) * | 1942-04-07 | 1943-12-21 | Solar Aircraft Co | Pickling solution and method |
US2564549A (en) * | 1945-07-02 | 1951-08-14 | Albert R Stargardter | Pickling treatment |
US2856275A (en) * | 1956-11-20 | 1958-10-14 | Amchem Prod | Chemical treatment of refractory metal surfaces |
US3310435A (en) * | 1963-11-18 | 1967-03-21 | Dravo Corp | Process for continuous pickling of steel strip and regeneration of the contact acid |
AU471215B2 (en) * | 1972-02-22 | 1976-04-15 | Seat belt retractor | |
JPS549120A (en) * | 1977-06-24 | 1979-01-23 | Tokai Electro Chemical Co | Method of controlling acid cleaning liquid for stainless steel |
DE3105508A1 (de) * | 1981-02-14 | 1982-09-02 | Metallgesellschaft Ag, 6000 Frankfurt | Beiz- und entrostungspaste fuer metalle |
JPS5839234B2 (ja) * | 1981-10-26 | 1983-08-29 | 住友金属工業株式会社 | 鋼線材の酸洗脱スケ−ル方法 |
US4608091A (en) * | 1982-01-11 | 1986-08-26 | Enthone, Incorporated | Peroxide selective stripping compositions and method |
DE3222532A1 (de) * | 1982-06-16 | 1983-12-22 | Arno 5042 Erftstadt Kuhlmann | Verfahren und mittel zum sauren beizen von austenitischen edelstaehlen |
FR2539140A1 (fr) * | 1983-01-07 | 1984-07-13 | Ugine Kuhlmann | Stabilisation de solutions aqueuses contenant du peroxyde d'hydrogene, de l'acide fluorhydrique et des ions metalliques |
FR2551465B3 (fr) * | 1983-09-02 | 1985-08-23 | Gueugnon Sa Forges | Procede de decapage acide des aciers inoxydables et solution acide pour sa mise en oeuvre |
FR2560893B1 (fr) * | 1984-03-09 | 1986-09-12 | Snecma | Bain de decapage chimique pour pieces en alliage resistant a chaud |
EP0188975B8 (fr) * | 1985-01-22 | 2002-01-09 | Ugine S.A. | Procédé pour le décapage acide des aciers, et notamment des aciers inoxydables |
US5154774A (en) * | 1985-09-19 | 1992-10-13 | Ugine Aciers De Chatillon Et Gueugnon | Process for acid pickling of stainless steel products |
FR2587369B1 (fr) * | 1985-09-19 | 1993-01-29 | Ugine Gueugnon Sa | Procede de decapage acide de produits en acier inoxydable |
US5292374A (en) * | 1988-11-15 | 1994-03-08 | Maschinenfabrik Andritz Actiengesellschft | Process and plant for pickling stainless steel strip |
DE3937438C2 (de) * | 1989-02-23 | 1998-01-29 | Wilfried Simmer | Verfahren zum Beizen von Stahl |
FR2657888B1 (fr) * | 1990-02-08 | 1994-04-15 | Ugine Aciers | Procedes de decapage de materiaux en acier inoxydable. |
US5354383A (en) * | 1991-03-29 | 1994-10-11 | Itb, S.R.L. | Process for pickling and passivating stainless steel without using nitric acid |
-
1991
- 1991-02-25 FR FR9102222A patent/FR2673200A1/fr active Granted
-
1992
- 1992-02-24 ES ES92400471T patent/ES2127208T3/es not_active Expired - Lifetime
- 1992-02-24 DE DE69228080T patent/DE69228080T2/de not_active Expired - Lifetime
- 1992-02-24 EP EP92400471A patent/EP0501867B1/fr not_active Expired - Lifetime
- 1992-02-24 AT AT92400471T patent/ATE175452T1/de active
- 1992-02-24 FI FI920787A patent/FI99031C/fi not_active IP Right Cessation
- 1992-02-24 DK DK92400471T patent/DK0501867T3/da active
-
1993
- 1993-11-10 US US08/150,254 patent/US5690748A/en not_active Expired - Lifetime
-
1999
- 1999-03-12 GR GR990400772T patent/GR3029688T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
ATE175452T1 (de) | 1999-01-15 |
EP0501867B1 (fr) | 1999-01-07 |
GR3029688T3 (en) | 1999-06-30 |
DE69228080T2 (de) | 1999-05-20 |
US5690748A (en) | 1997-11-25 |
DE69228080D1 (de) | 1999-02-18 |
EP0501867A1 (fr) | 1992-09-02 |
FR2673200B1 (es) | 1995-03-03 |
FI99031B (fi) | 1997-06-13 |
FR2673200A1 (fr) | 1992-08-28 |
FI99031C (fi) | 1997-09-25 |
FI920787A (fi) | 1992-08-26 |
FI920787A0 (fi) | 1992-02-24 |
DK0501867T3 (da) | 1999-08-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA2A | Application withdrawn |
Effective date: 19931119 |
|
FG2A | Definitive protection |
Ref document number: 501867 Country of ref document: ES |