FR2772050B1 - Procede de decapage d'acier et notamment d'acier inoxydable - Google Patents
Procede de decapage d'acier et notamment d'acier inoxydableInfo
- Publication number
- FR2772050B1 FR2772050B1 FR9715572A FR9715572A FR2772050B1 FR 2772050 B1 FR2772050 B1 FR 2772050B1 FR 9715572 A FR9715572 A FR 9715572A FR 9715572 A FR9715572 A FR 9715572A FR 2772050 B1 FR2772050 B1 FR 2772050B1
- Authority
- FR
- France
- Prior art keywords
- steel
- stripping
- particular stainless
- stainless steel
- stripping steel
- 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 - Fee Related
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
-
- 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
- C23G1/081—Iron or steel solutions containing H2SO4
-
- 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
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)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9715572A FR2772050B1 (fr) | 1997-12-10 | 1997-12-10 | Procede de decapage d'acier et notamment d'acier inoxydable |
EP98403093A EP0922787A1 (fr) | 1997-12-10 | 1998-12-09 | Procédé de décapage d'acier inoxydable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9715572A FR2772050B1 (fr) | 1997-12-10 | 1997-12-10 | Procede de decapage d'acier et notamment d'acier inoxydable |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2772050A1 FR2772050A1 (fr) | 1999-06-11 |
FR2772050B1 true FR2772050B1 (fr) | 1999-12-31 |
Family
ID=9514369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9715572A Expired - Fee Related FR2772050B1 (fr) | 1997-12-10 | 1997-12-10 | Procede de decapage d'acier et notamment d'acier inoxydable |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0922787A1 (fr) |
FR (1) | FR2772050B1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115893506B (zh) * | 2022-12-28 | 2024-06-25 | 江苏永葆环保科技股份有限公司 | 一种利用钢铁酸洗废液制备氯化铁的方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2564549A (en) * | 1945-07-02 | 1951-08-14 | Albert R Stargardter | Pickling treatment |
GB872321A (en) * | 1959-01-09 | 1961-07-05 | Walterisation Company Ltd | Phosphate coatings |
JPS5518552A (en) * | 1978-07-26 | 1980-02-08 | Kawasaki Steel Corp | Pickling method for cr type stainless steel |
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 |
EP0188975B8 (fr) * | 1985-01-22 | 2002-01-09 | Ugine S.A. | Procédé pour le décapage acide des aciers, et notamment des aciers inoxydables |
FR2587369B1 (fr) * | 1985-09-19 | 1993-01-29 | Ugine Gueugnon Sa | Procede de decapage acide de produits en acier inoxydable |
JPH01165783A (ja) * | 1987-12-23 | 1989-06-29 | Kawasaki Steel Corp | ステンレス鋼帯用酸洗浴の更新方法 |
IT1245594B (it) * | 1991-03-29 | 1994-09-29 | Itb Srl | Processo di decapaggio e di passivazione di acciaio inossidabile senza acido nitrico |
IT1255655B (it) * | 1992-08-06 | 1995-11-09 | Processo di decapaggio e passivazione di acciaio inossidabile senza impiego di acido nitrico | |
DE4417284C2 (de) * | 1993-05-24 | 1999-03-25 | Alfred Schmitz | Verfahren zum Beizen von Werkstücken aus hochlegierten Werkstoffen |
IT1276954B1 (it) * | 1995-10-18 | 1997-11-03 | Novamax Itb S R L | Processo di decapaggio e di passivazione di acciaio inossidabile senza impiego di acido nitrico |
SE510298C2 (sv) * | 1995-11-28 | 1999-05-10 | Eka Chemicals Ab | Sätt vid betning av stål |
-
1997
- 1997-12-10 FR FR9715572A patent/FR2772050B1/fr not_active Expired - Fee Related
-
1998
- 1998-12-09 EP EP98403093A patent/EP0922787A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0922787A1 (fr) | 1999-06-16 |
FR2772050A1 (fr) | 1999-06-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CA | Change of address | ||
CD | Change of name or company name | ||
TP | Transmission of property | ||
ST | Notification of lapse |
Effective date: 20140829 |