DE3664340D1 - Method for the acid etching of stainless steel products - Google Patents
Method for the acid etching of stainless steel productsInfo
- Publication number
- DE3664340D1 DE3664340D1 DE8686904835T DE3664340T DE3664340D1 DE 3664340 D1 DE3664340 D1 DE 3664340D1 DE 8686904835 T DE8686904835 T DE 8686904835T DE 3664340 T DE3664340 T DE 3664340T DE 3664340 D1 DE3664340 D1 DE 3664340D1
- Authority
- DE
- Germany
- Prior art keywords
- stainless steel
- acid etching
- steel products
- products
- etching
- 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
Links
- 239000002253 acid Substances 0.000 title 1
- 238000005530 etching Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 229910001220 stainless steel Inorganic materials 0.000 title 1
- 239000010935 stainless steel Substances 0.000 title 1
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
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)
- ing And Chemical Polishing (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8514220A FR2587369B1 (fr) | 1985-09-19 | 1985-09-19 | Procede de decapage acide de produits en acier inoxydable |
PCT/FR1986/000267 WO1987001739A1 (fr) | 1985-09-19 | 1986-07-28 | Procede de decapage acide de produits en acier inoxydable |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3664340D1 true DE3664340D1 (en) | 1989-08-17 |
Family
ID=9323241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686904835T Expired DE3664340D1 (en) | 1985-09-19 | 1986-07-28 | Method for the acid etching of stainless steel products |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0236354B1 (de) |
JP (1) | JPS62501981A (de) |
BR (1) | BR8606873A (de) |
CA (1) | CA1272980A (de) |
DE (1) | DE3664340D1 (de) |
ES (1) | ES2000222A6 (de) |
FI (1) | FI81126C (de) |
FR (1) | FR2587369B1 (de) |
MX (1) | MX168028B (de) |
WO (1) | WO1987001739A1 (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2650303B1 (fr) * | 1989-07-26 | 1993-12-10 | Ugine Aciers Chatillon Gueugnon | Procede de decapage en bain acide de produits metalliques contenant du titane ou au moins un element chimique de la famille du titane |
US5338367A (en) * | 1989-07-26 | 1994-08-16 | Ugine, Aciers De Chatillon Et Gueugnon | Pickling process in an acid bath of metallic products containing titanium or at least one chemical element of the titanium family |
FR2673200A1 (fr) * | 1991-02-25 | 1992-08-28 | Ugine Aciers | Procede de surdecapage de materiaux en acier tels que les aciers inoxydables et les aciers allies. |
IT1245594B (it) * | 1991-03-29 | 1994-09-29 | Itb Srl | Processo di decapaggio e di passivazione di acciaio inossidabile senza acido nitrico |
FR2683551B1 (fr) * | 1991-11-07 | 1994-09-16 | Ugine Sa | Procede de decapage de materiaux en acier en continu sur une ligne de traitement. |
IT1255655B (it) * | 1992-08-06 | 1995-11-09 | Processo di decapaggio e passivazione di acciaio inossidabile senza impiego di acido nitrico | |
IT1255855B (it) * | 1992-10-12 | 1995-11-17 | Cesare Pedrazzini | Processo di decapaggio e di passivazione per lamiere di titanio in nastro, senza impiego di acido nitrico. |
FR2721328B1 (fr) * | 1994-06-15 | 1996-09-06 | Ugine Sa | Procédé de décapage de matériaux métalliques, notamment en acier allié, en acier inoxydable ou en alliage de titane, par une solution du type contenant des ions ferriques en milieu acide. |
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 |
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 |
FR2772050B1 (fr) * | 1997-12-10 | 1999-12-31 | Imphy Sa | Procede de decapage d'acier et notamment d'acier inoxydable |
GB9807286D0 (en) * | 1998-04-06 | 1998-06-03 | Solvay Interox Ltd | Pickling process |
DE19850524C2 (de) * | 1998-11-03 | 2002-04-04 | Eilenburger Elektrolyse & Umwelttechnik Gmbh | Nitratfreies Recycling-Beizverfahren für Edelstähle |
IT1312556B1 (it) | 1999-05-03 | 2002-04-22 | Henkel Kgaa | Processo di decapaggio di acciaio inossidabile in assenza di acidonitrico ed in presenza di ioni cloruro |
JP6031606B2 (ja) * | 2012-07-31 | 2016-11-24 | ポスコPosco | オーステナイト系ステンレス冷延鋼板を製造するための高速酸洗プロセス |
CN109328245A (zh) * | 2017-05-31 | 2019-02-12 | 天佑科技有限责任公司 | 为清除在不锈钢管道及构筑物焊接部位的剥落和铁锈而进行的酸洗及形成钝化膜的处理剂 |
IT201900006672A1 (it) | 2019-05-10 | 2020-11-10 | Condoroil Stainless Srl | Unita' per il decapaggio elettrolitico interno ed esterno di tubi in acciaio inossidabile |
KR102300834B1 (ko) | 2019-11-21 | 2021-09-13 | 주식회사 포스코 | 스테인리스강 산세용 이온성 액체 및 이를 이용한 스테인리스강의 산세방법 |
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 (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2474526A (en) * | 1940-06-15 | 1949-06-28 | Monsanto Chemicals | Picking of stainless steels |
US2564549A (en) * | 1945-07-02 | 1951-08-14 | Albert R Stargardter | Pickling treatment |
DE899890C (de) * | 1952-03-18 | 1953-12-17 | Deutsche Edelstahlwerke Ag | Verfahren zum Regenerieren von Beizbaedern |
JPS549120A (en) * | 1977-06-24 | 1979-01-23 | Tokai Electro Chemical Co | Method of controlling acid cleaning liquid for stainless steel |
JPS57194262A (en) * | 1981-05-26 | 1982-11-29 | Mitsubishi Gas Chem Co Inc | Descaling method for stainless steel |
DE3222532A1 (de) * | 1982-06-16 | 1983-12-22 | Arno 5042 Erftstadt Kuhlmann | Verfahren und mittel zum sauren beizen von austenitischen edelstaehlen |
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 (de) * | 1985-01-22 | 2002-01-09 | Ugine S.A. | Verfahren zum säuren Beizen von Stahlen, insbesondere von rostfreien Stahlen |
-
1985
- 1985-09-19 FR FR8514220A patent/FR2587369B1/fr not_active Expired - Lifetime
-
1986
- 1986-07-25 CA CA000514703A patent/CA1272980A/fr not_active Expired - Lifetime
- 1986-07-28 WO PCT/FR1986/000267 patent/WO1987001739A1/fr active IP Right Grant
- 1986-07-28 EP EP19860904835 patent/EP0236354B1/de not_active Expired
- 1986-07-28 BR BR8606873A patent/BR8606873A/pt not_active IP Right Cessation
- 1986-07-28 DE DE8686904835T patent/DE3664340D1/de not_active Expired
- 1986-07-28 JP JP50418386A patent/JPS62501981A/ja active Granted
- 1986-07-29 ES ES8600701A patent/ES2000222A6/es not_active Expired
- 1986-07-29 MX MX329086A patent/MX168028B/es unknown
-
1987
- 1987-05-18 FI FI872187A patent/FI81126C/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI81126C (fi) | 1990-09-10 |
FI872187A0 (fi) | 1987-05-18 |
FR2587369A1 (fr) | 1987-03-20 |
EP0236354B1 (de) | 1989-07-12 |
FR2587369B1 (fr) | 1993-01-29 |
FI872187A (fi) | 1987-05-18 |
MX168028B (es) | 1993-04-29 |
EP0236354A1 (de) | 1987-09-16 |
BR8606873A (pt) | 1987-11-03 |
CA1272980A (fr) | 1990-08-21 |
FI81126B (fi) | 1990-05-31 |
JPS62501981A (ja) | 1987-08-06 |
ES2000222A6 (es) | 1988-01-16 |
WO1987001739A1 (fr) | 1987-03-26 |
JPH0420996B2 (de) | 1992-04-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8310 | Action for declaration of annulment | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: UGINE S.A., PUTEAUX, FR |
|
8328 | Change in the person/name/address of the agent |
Free format text: BEETZ, R., DIPL.-ING. DR.-ING. TIMPE, W., DR.-ING. SIEGFRIED, J., DIPL.-ING. SCHMITT-FUMIAN, W., PROF. DIPL.-CHEM. DR.RER.NAT. MAYR, C., DIPL.-PHYS.DR.RER.NAT., PAT.-ANWAELTE, 80538 MUENCHEN |
|
8312 | Partial invalidation |