IT1245594B - Processo di decapaggio e di passivazione di acciaio inossidabile senza acido nitrico - Google Patents

Processo di decapaggio e di passivazione di acciaio inossidabile senza acido nitrico

Info

Publication number
IT1245594B
IT1245594B ITMI910879A ITMI910879A IT1245594B IT 1245594 B IT1245594 B IT 1245594B IT MI910879 A ITMI910879 A IT MI910879A IT MI910879 A ITMI910879 A IT MI910879A IT 1245594 B IT1245594 B IT 1245594B
Authority
IT
Italy
Prior art keywords
pickling
stainless steel
passivation process
nitric acid
h2so4
Prior art date
Application number
ITMI910879A
Other languages
English (en)
Italian (it)
Inventor
Marco Bianchi
Original Assignee
Itb Srl
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=11359360&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT1245594(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Itb Srl filed Critical Itb Srl
Priority to ITMI910879A priority Critical patent/IT1245594B/it
Publication of ITMI910879A0 publication Critical patent/ITMI910879A0/it
Priority to DE91113628T priority patent/DE505606T1/de
Priority to AT91113628T priority patent/ATE129753T1/de
Priority to DK91113628.1T priority patent/DK0505606T3/da
Priority to EP91113628A priority patent/EP0505606B2/en
Priority to ES91113628T priority patent/ES2082063T5/es
Priority to DE69114265T priority patent/DE69114265T3/de
Priority to JP3284206A priority patent/JP2655770B2/ja
Priority to FI920580A priority patent/FI101234B/fi
Publication of ITMI910879A1 publication Critical patent/ITMI910879A1/it
Priority to US08/002,942 priority patent/US5354383A/en
Publication of IT1245594B publication Critical patent/IT1245594B/it
Application granted granted Critical
Priority to GR960400082T priority patent/GR3018681T3/el

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
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
    • 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

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)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Detergent Compositions (AREA)
ITMI910879A 1991-03-29 1991-03-29 Processo di decapaggio e di passivazione di acciaio inossidabile senza acido nitrico IT1245594B (it)

Priority Applications (11)

Application Number Priority Date Filing Date Title
ITMI910879A IT1245594B (it) 1991-03-29 1991-03-29 Processo di decapaggio e di passivazione di acciaio inossidabile senza acido nitrico
DE69114265T DE69114265T3 (de) 1991-03-29 1991-08-14 Verfahren zum Beizen und Passivieren von rostfreiem Stahl ohne Verwendung von Salpetersäure.
ES91113628T ES2082063T5 (es) 1991-03-29 1991-08-14 Procedimiento para decapar y pasivar acero inoxidable en ausencia de acido nitrico.
AT91113628T ATE129753T1 (de) 1991-03-29 1991-08-14 Verfahren zum beizen und passivieren von rostfreiem stahl ohne verwendung von salpetersäure.
DK91113628.1T DK0505606T3 (da) 1991-03-29 1991-08-14 Fremgangsmåde til bejdsning og passivering af rustfrit stål uden anvendelse af salpetersyre
EP91113628A EP0505606B2 (en) 1991-03-29 1991-08-14 Process for pickling and passivating stainless steel without using nitric acid
DE91113628T DE505606T1 (de) 1991-03-29 1991-08-14 Verfahren zum Beizen und Passivieren von rostfreiem Stahl ohne Verwendung von Salpetersäure.
JP3284206A JP2655770B2 (ja) 1991-03-29 1991-10-04 硝酸を使用しないでステンレス鋼を酸洗いし、不動態化する方法
FI920580A FI101234B (fi) 1991-03-29 1992-02-12 Menetelmä ruostumattoman teräksen peittaamiseksi ja passivoimiseksityppihappoa käyttämättä
US08/002,942 US5354383A (en) 1991-03-29 1993-01-11 Process for pickling and passivating stainless steel without using nitric acid
GR960400082T GR3018681T3 (en) 1991-03-29 1996-01-17 Process for pickling and passivating stainless steel without using nitric acid.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI910879A IT1245594B (it) 1991-03-29 1991-03-29 Processo di decapaggio e di passivazione di acciaio inossidabile senza acido nitrico

Publications (3)

Publication Number Publication Date
ITMI910879A0 ITMI910879A0 (it) 1991-03-29
ITMI910879A1 ITMI910879A1 (it) 1992-09-29
IT1245594B true IT1245594B (it) 1994-09-29

Family

ID=11359360

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI910879A IT1245594B (it) 1991-03-29 1991-03-29 Processo di decapaggio e di passivazione di acciaio inossidabile senza acido nitrico

Country Status (9)

Country Link
EP (1) EP0505606B2 (da)
JP (1) JP2655770B2 (da)
AT (1) ATE129753T1 (da)
DE (2) DE69114265T3 (da)
DK (1) DK0505606T3 (da)
ES (1) ES2082063T5 (da)
FI (1) FI101234B (da)
GR (1) GR3018681T3 (da)
IT (1) IT1245594B (da)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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.
DE4237021C1 (de) * 1992-11-02 1994-02-10 Poligrat Gmbh Mittel zum Beizen der Oberfläche von Chromnickelstählen und Chromstählen sowie Verwendung des Mittels
DE4417284C2 (de) * 1993-05-24 1999-03-25 Alfred Schmitz Verfahren zum Beizen von Werkstücken aus hochlegierten Werkstoffen
WO1996009899A1 (en) * 1994-09-26 1996-04-04 E.R. Squibb & Sons, Inc. Stainless steel acid treatment
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
DE19755350A1 (de) * 1997-12-12 1999-06-17 Henkel Kgaa Verfahren zum Beizen und Passivieren von Edelstahl
EP0974682A1 (de) * 1998-07-18 2000-01-26 Henkel Kommanditgesellschaft auf Aktien Verfahren zur chemischen Behandlung von Metalloberflächen und dazu geeignete Anlage
IT1302202B1 (it) 1998-09-11 2000-07-31 Henkel Kgaa Processo di decapaggio elettrolitico con soluzioni esenti da acidonitrico.
IT1303814B1 (it) * 1998-12-02 2001-02-23 Henkel Kgaa Apparecchiatura e metodo per controllare processi di decapaggio peracciaio.
DE10157340A1 (de) * 2001-11-22 2003-05-28 Sms Demag Ag Verfahren und Vorrichtung zum Behandeln der Oberflächen eines Metallstrangs, insbesondere zum Beizen eines Stahlbandes
DE10160318A1 (de) 2001-12-07 2003-06-18 Henkel Kgaa Verfahren zum Beizen von martensitischem oder ferritischem Edelstahl
ES2350095T3 (es) 2002-10-15 2011-01-18 HENKEL AG & CO. KGAA Solución y procedimiento de decapado para acero inoxidable.
EP1793016A1 (de) * 2005-12-01 2007-06-06 Elpochem AG Polier- und Entgratungsmittel für Werkstücke aus Kohlenstoffstahl und Verfahren zum chemischen Polieren und Entgraten
KR100936348B1 (ko) * 2007-12-21 2010-01-12 주식회사 포스코 저 크롬계 스테인레스강의 고내식성 표면처리용액 조성물 및 이를 이용한 스테인레스강의 부동태 처리방법
CN102337548B (zh) * 2011-09-14 2012-12-05 西部钛业有限责任公司 一种钛、锆材的无酸雾酸洗方法
GB2499000A (en) 2012-02-02 2013-08-07 Henkel Ag & Co Kgaa Aqueous acidic pickling solution with hydroxylamine accelerators
GB2508827A (en) 2012-12-11 2014-06-18 Henkel Ag & Co Kgaa Aqueous compositions and processes for passivating and brightening stainless steel surfaces
DE102012024542A1 (de) * 2012-12-14 2014-06-18 Poligrat Gmbh Thixotropes Beizmittel
JP6526406B2 (ja) * 2014-12-10 2019-06-05 株式会社Ihi ステンレス鋼部品の不動態化処理方法及びステンレス鋼部品用の不動態化処理液
CN108220937A (zh) * 2018-01-18 2018-06-29 浙江苏泊尔股份有限公司 一种不锈钢工件抗高温变色的处理方法
JP6592624B2 (ja) * 2019-01-15 2019-10-16 株式会社Ihi ステンレス鋼部品の不動態化処理方法及びステンレス鋼部品用の不動態化処理液
EP3951014B1 (en) * 2020-01-09 2024-05-22 Primetals Technologies Japan, Ltd. Method for pickling steel plate and pickling apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS549120A (en) * 1977-06-24 1979-01-23 Tokai Electro Chemical Co Method of controlling acid cleaning liquid for stainless steel
JPS5442850A (en) * 1977-09-10 1979-04-05 Kubota Ltd Method of treating raw sewage
JPS5551514A (en) * 1978-10-12 1980-04-15 Osaka Cement Steel fiber mixing method and its device
JPS568109A (en) * 1979-07-03 1981-01-27 Toshikazu Iwasaki Reflecting telescope
ATE121804T1 (de) * 1985-01-22 1995-05-15 Ugine Sa Verfahren zum säuren beizen von stahlen, insbesondere von rostfreien stahlen.
FR2587369B1 (fr) * 1985-09-19 1993-01-29 Ugine Gueugnon Sa Procede de decapage acide de produits en acier inoxydable

Also Published As

Publication number Publication date
FI920580A0 (fi) 1992-02-12
ITMI910879A0 (it) 1991-03-29
ATE129753T1 (de) 1995-11-15
FI101234B (fi) 1998-05-15
EP0505606A1 (en) 1992-09-30
JP2655770B2 (ja) 1997-09-24
JPH04304391A (ja) 1992-10-27
DE69114265D1 (de) 1995-12-07
DE505606T1 (de) 1994-02-03
DE69114265T3 (de) 2004-08-05
EP0505606B1 (en) 1995-11-02
DK0505606T3 (da) 1995-12-04
EP0505606B2 (en) 2003-02-26
ES2082063T3 (es) 1996-03-16
FI920580A (fi) 1992-09-30
ITMI910879A1 (it) 1992-09-29
GR3018681T3 (en) 1996-04-30
DE69114265T2 (de) 1996-04-18
ES2082063T5 (es) 2003-11-01

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970427