EP0188975B8 - Verfahren zum säuren Beizen von Stahlen, insbesondere von rostfreien Stahlen - Google Patents
Verfahren zum säuren Beizen von Stahlen, insbesondere von rostfreien Stahlen Download PDFInfo
- Publication number
- EP0188975B8 EP0188975B8 EP85420013A EP85420013A EP0188975B8 EP 0188975 B8 EP0188975 B8 EP 0188975B8 EP 85420013 A EP85420013 A EP 85420013A EP 85420013 A EP85420013 A EP 85420013A EP 0188975 B8 EP0188975 B8 EP 0188975B8
- Authority
- EP
- European Patent Office
- Prior art keywords
- steels
- acid pickling
- particular stainless
- pickling
- 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
- 238000005554 pickling Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 229910000831 Steel Inorganic materials 0.000 title 1
- 239000002253 acid Substances 0.000 title 1
- 229910001220 stainless steel Inorganic materials 0.000 title 1
- 239000010959 steel Substances 0.000 title 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 1
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 238000005098 hot rolling Methods 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 229910017604 nitric acid Inorganic materials 0.000 abstract 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)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP85420013A EP0188975B8 (de) | 1985-01-22 | 1985-01-22 | Verfahren zum säuren Beizen von Stahlen, insbesondere von rostfreien Stahlen |
| AT85420013T ATE121804T1 (de) | 1985-01-22 | 1985-01-22 | Verfahren zum säuren beizen von stahlen, insbesondere von rostfreien stahlen. |
| DE3588013T DE3588013T3 (de) | 1985-01-22 | 1985-01-22 | Verfahren zum säuren Beizen von Stahlen, insbesondere von rostfreien Stahlen. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP85420013A EP0188975B8 (de) | 1985-01-22 | 1985-01-22 | Verfahren zum säuren Beizen von Stahlen, insbesondere von rostfreien Stahlen |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| EP0188975A1 EP0188975A1 (de) | 1986-07-30 |
| EP0188975B1 EP0188975B1 (de) | 1995-04-26 |
| EP0188975B2 EP0188975B2 (de) | 2001-10-24 |
| EP0188975B8 true EP0188975B8 (de) | 2002-01-09 |
Family
ID=8194569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP85420013A Expired - Lifetime EP0188975B8 (de) | 1985-01-22 | 1985-01-22 | Verfahren zum säuren Beizen von Stahlen, insbesondere von rostfreien Stahlen |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0188975B8 (de) |
| AT (1) | ATE121804T1 (de) |
| DE (1) | DE3588013T3 (de) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US4872919A (en) * | 1988-01-28 | 1989-10-10 | The Procter & Gamble Company | Method for removing precipitated calcium citrate from juice pasteurization or sterilization equipment |
| DE3937438C2 (de) * | 1989-02-23 | 1998-01-29 | Wilfried Simmer | Verfahren zum Beizen von Stahl |
| 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 |
| IT1255655B (it) * | 1992-08-06 | 1995-11-09 | Processo di decapaggio e passivazione di acciaio inossidabile senza impiego di acido nitrico | |
| 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 |
| 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 |
| RU2154696C1 (ru) * | 1999-06-08 | 2000-08-20 | Московский государственный вечерний металлургический институт | Способ обработки окисленных металлических материалов |
| DE10160318A1 (de) * | 2001-12-07 | 2003-06-18 | Henkel Kgaa | Verfahren zum Beizen von martensitischem oder ferritischem Edelstahl |
| WO2008100476A1 (en) * | 2007-02-12 | 2008-08-21 | Henkel Ag & Co. Kgaa | Process for treating metal surfaces |
| KR101373975B1 (ko) | 2008-11-14 | 2014-03-12 | 에이케이 스틸 프로퍼티즈 인코포레이티드 | 제2철 이온을 함유하는 산성 산세척액으로 규소강을 산세척하는 방법 |
| DE102012004907A1 (de) | 2012-03-02 | 2013-09-05 | Sms Siemag Ag | Verfahren zum Beizen von Standard Stählen |
Family Cites Families (4)
| 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 |
-
1985
- 1985-01-22 AT AT85420013T patent/ATE121804T1/de not_active IP Right Cessation
- 1985-01-22 EP EP85420013A patent/EP0188975B8/de not_active Expired - Lifetime
- 1985-01-22 DE DE3588013T patent/DE3588013T3/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0188975B1 (de) | 1995-04-26 |
| DE3588013T2 (de) | 1995-09-14 |
| DE3588013D1 (de) | 1995-06-01 |
| EP0188975A1 (de) | 1986-07-30 |
| EP0188975B2 (de) | 2001-10-24 |
| DE3588013T3 (de) | 2002-06-06 |
| ATE121804T1 (de) | 1995-05-15 |
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Effective date: 19900809 |
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| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: UGINE ACIERS DE CHATILLON ET GUEUGNON |
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| 17Q | First examination report despatched |
Effective date: 19910603 |
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| ITCL | It: translation for ep claims filed |
Representative=s name: JACOBACCI CASETTA & PERANI S.P.A. |
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