EP0188975B8 - Procédé pour le décapage acide des aciers, et notamment des aciers inoxydables - Google Patents

Procédé pour le décapage acide des aciers, et notamment des aciers inoxydables Download PDF

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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
Application number
EP85420013A
Other languages
German (de)
English (en)
Other versions
EP0188975B2 (fr
EP0188975A1 (fr
EP0188975B1 (fr
Inventor
Bernard Chetreff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ugine Aciers de Chatillon et Guegnon
Original Assignee
Ugine SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8194569&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0188975(B8) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ugine SA filed Critical Ugine SA
Priority to DE3588013T priority Critical patent/DE3588013T3/de
Priority to EP85420013A priority patent/EP0188975B8/fr
Priority to AT85420013T priority patent/ATE121804T1/de
Publication of EP0188975A1 publication Critical patent/EP0188975A1/fr
Application granted granted Critical
Publication of EP0188975B1 publication Critical patent/EP0188975B1/fr
Publication of EP0188975B2 publication Critical patent/EP0188975B2/fr
Publication of EP0188975B8 publication Critical patent/EP0188975B8/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

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)
EP85420013A 1985-01-22 1985-01-22 Procédé pour le décapage acide des aciers, et notamment des aciers inoxydables Expired - Lifetime EP0188975B8 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE3588013T DE3588013T3 (de) 1985-01-22 1985-01-22 Verfahren zum säuren Beizen von Stahlen, insbesondere von rostfreien Stahlen.
EP85420013A EP0188975B8 (fr) 1985-01-22 1985-01-22 Procédé pour le décapage acide des aciers, et notamment des aciers inoxydables
AT85420013T ATE121804T1 (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 (fr) 1985-01-22 1985-01-22 Procédé pour le décapage acide des aciers, et notamment des aciers inoxydables

Publications (4)

Publication Number Publication Date
EP0188975A1 EP0188975A1 (fr) 1986-07-30
EP0188975B1 EP0188975B1 (fr) 1995-04-26
EP0188975B2 EP0188975B2 (fr) 2001-10-24
EP0188975B8 true EP0188975B8 (fr) 2002-01-09

Family

ID=8194569

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85420013A Expired - Lifetime EP0188975B8 (fr) 1985-01-22 1985-01-22 Procédé pour le décapage acide des aciers, et notamment des aciers inoxydables

Country Status (3)

Country Link
EP (1) EP0188975B8 (fr)
AT (1) ATE121804T1 (fr)
DE (1) DE3588013T3 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
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
DE10160318A1 (de) * 2001-12-07 2003-06-18 Henkel Kgaa Verfahren zum Beizen von martensitischem oder ferritischem Edelstahl
ES2391870T3 (es) * 2007-02-12 2012-11-30 Henkel Ag & Co. Kgaa Procedimiento para tratar superficies metálicas
MX2011005099A (es) 2008-11-14 2011-08-12 Ak Steel Properties Inc Procedimiento para decapar acero de silicio con una solucion de decapado acido que contiene iones ferricos.
DE102012004907A1 (de) 2012-03-02 2013-09-05 Sms Siemag Ag Verfahren zum Beizen von Standard Stählen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
EP0188975B2 (fr) 2001-10-24
DE3588013D1 (de) 1995-06-01
EP0188975A1 (fr) 1986-07-30
DE3588013T2 (de) 1995-09-14
EP0188975B1 (fr) 1995-04-26
DE3588013T3 (de) 2002-06-06
ATE121804T1 (de) 1995-05-15

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