IT1297076B1 - Metodo per il decapaggio di prodotti in acciaio - Google Patents

Metodo per il decapaggio di prodotti in acciaio

Info

Publication number
IT1297076B1
IT1297076B1 IT97RM000727A ITRM970727A IT1297076B1 IT 1297076 B1 IT1297076 B1 IT 1297076B1 IT 97RM000727 A IT97RM000727 A IT 97RM000727A IT RM970727 A ITRM970727 A IT RM970727A IT 1297076 B1 IT1297076 B1 IT 1297076B1
Authority
IT
Italy
Prior art keywords
pickling
steel products
products
steel
Prior art date
Application number
IT97RM000727A
Other languages
English (en)
Inventor
Sandro Fortunati
Franco Mancia
Augusto Musso
Original Assignee
Acciai Speciali Terni Spa
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
Application filed by Acciai Speciali Terni Spa filed Critical Acciai Speciali Terni Spa
Priority to IT97RM000727A priority Critical patent/IT1297076B1/it
Publication of ITRM970727A0 publication Critical patent/ITRM970727A0/it
Priority to ZA9810715A priority patent/ZA9810715B/xx
Priority to MXPA00005056A priority patent/MXPA00005056A/es
Priority to PCT/IT1998/000337 priority patent/WO1999027162A1/en
Priority to AU15767/99A priority patent/AU1576799A/en
Priority to EP98960089A priority patent/EP1036219A1/en
Publication of ITRM970727A1 publication Critical patent/ITRM970727A1/it
Application granted granted Critical
Publication of IT1297076B1 publication Critical patent/IT1297076B1/it
Priority to US09/555,091 priority patent/US6500328B1/en

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
    • C23G1/083—Iron or steel solutions containing H3PO4

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)
IT97RM000727A 1997-11-24 1997-11-24 Metodo per il decapaggio di prodotti in acciaio IT1297076B1 (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT97RM000727A IT1297076B1 (it) 1997-11-24 1997-11-24 Metodo per il decapaggio di prodotti in acciaio
ZA9810715A ZA9810715B (en) 1997-11-24 1998-11-24 Method for pickling steel products
MXPA00005056A MXPA00005056A (es) 1997-11-24 1998-11-24 Metodo para limpiar con bano quimico productos de acero.
PCT/IT1998/000337 WO1999027162A1 (en) 1997-11-24 1998-11-24 Method for pickling steel products
AU15767/99A AU1576799A (en) 1997-11-24 1998-11-24 Method for pickling steel products
EP98960089A EP1036219A1 (en) 1997-11-24 1998-11-24 Method for pickling steel products
US09/555,091 US6500328B1 (en) 1997-11-24 2000-07-19 Method for pickling steel products

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT97RM000727A IT1297076B1 (it) 1997-11-24 1997-11-24 Metodo per il decapaggio di prodotti in acciaio

Publications (3)

Publication Number Publication Date
ITRM970727A0 ITRM970727A0 (it) 1997-11-24
ITRM970727A1 ITRM970727A1 (it) 1999-05-24
IT1297076B1 true IT1297076B1 (it) 1999-08-03

Family

ID=11405370

Family Applications (1)

Application Number Title Priority Date Filing Date
IT97RM000727A IT1297076B1 (it) 1997-11-24 1997-11-24 Metodo per il decapaggio di prodotti in acciaio

Country Status (7)

Country Link
US (1) US6500328B1 (it)
EP (1) EP1036219A1 (it)
AU (1) AU1576799A (it)
IT (1) IT1297076B1 (it)
MX (1) MXPA00005056A (it)
WO (1) WO1999027162A1 (it)
ZA (1) ZA9810715B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT407755B (de) * 1998-07-15 2001-06-25 Andritz Patentverwaltung Verfahren zum beizen von edelstahl
FR2839984A1 (fr) * 2002-05-23 2003-11-28 Afelec Traitement electrochimique des bains de decapage uses
US8128754B2 (en) 2008-11-14 2012-03-06 Ak Steel Properties, Inc. Ferric pickling of silicon steel
IT1394958B1 (it) * 2009-02-17 2012-07-27 Condoroil Impianti Srl Processo di ossidazione catalitica del ferro bivalente a ferro trivalente nei bagni di decapaggio per acciai inossidabili a base di acido cloridrico e/o sue miscele con altri acidi organici e inorganici.
US8859479B2 (en) * 2011-08-26 2014-10-14 United Technologies Corporation Chemical stripping composition and method
US10443135B1 (en) 2018-05-11 2019-10-15 Macdermid Enthone Inc. Near neutral pH pickle on multi-metals
US20220220619A1 (en) * 2020-01-09 2022-07-14 Primetals Technologies Japan, Ltd. Method for pickling steel plate and pickling apparatus

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB869218A (en) * 1959-06-04 1961-05-31 Pyrene Co Ltd Improvements relating to the picking of ferrous surfaces
JPS5047826A (it) * 1973-08-31 1975-04-28
JPS50133125A (it) * 1974-04-10 1975-10-22
JPS63216986A (ja) * 1987-03-03 1988-09-09 Sumitomo Metal Ind Ltd 低Ｃｒ鋼の高速酸洗方法
DE3719604A1 (de) * 1987-06-12 1988-12-22 Markus Maria Dipl In Bringmann Beizen von halbzeugen
JPS6462485A (en) * 1987-08-31 1989-03-08 Sumitomo Metal Ind Method for pickling hot rolled steel sheet at high speed
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
JPH02205692A (ja) * 1989-02-04 1990-08-15 Nippon Steel Corp ステンレス鋼の酸洗方法およびその設備
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.
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
IT1282979B1 (it) * 1996-05-09 1998-04-03 Novamax Itb S R L Procedimento per il decapaggio dell'acciaio nel quale la ossidazione dello ione ferroso formatosi viene effettuata per via elettrochimica
IT1288407B1 (it) * 1996-12-09 1998-09-22 Sviluppo Materiali Spa Metodo per il decapaggio di prodotti in lega metallica contenente ferro e di titanio e sue leghe
IT1290947B1 (it) * 1997-02-25 1998-12-14 Sviluppo Materiali Spa Metodo e dispositivo per il decapaggio di prodotti in lega metallica in assenza di acido nitrico e per il recupero di soluzioni esauste

Also Published As

Publication number Publication date
WO1999027162A1 (en) 1999-06-03
ZA9810715B (en) 1999-05-31
US6500328B1 (en) 2002-12-31
ITRM970727A0 (it) 1997-11-24
EP1036219A1 (en) 2000-09-20
MXPA00005056A (es) 2002-08-20
AU1576799A (en) 1999-06-15
ITRM970727A1 (it) 1999-05-24

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Legal Events

Date Code Title Description
0001 Granted