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IT1312556B1 - Processo di decapaggio di acciaio inossidabile in assenza di acidonitrico ed in presenza di ioni cloruro - Google Patents

Processo di decapaggio di acciaio inossidabile in assenza di acidonitrico ed in presenza di ioni cloruro

Info

Publication number
IT1312556B1
IT1312556B1 IT1999MI000943A ITMI990943A IT1312556B1 IT 1312556 B1 IT1312556 B1 IT 1312556B1 IT 1999MI000943 A IT1999MI000943 A IT 1999MI000943A IT MI990943 A ITMI990943 A IT MI990943A IT 1312556 B1 IT1312556 B1 IT 1312556B1
Authority
IT
Italy
Prior art keywords
anion
stainless steel
solution
total
acidonitrico
Prior art date
Application number
IT1999MI000943A
Other languages
English (en)
Inventor
Dario Negri
Paolo Bruno Giordani
Original Assignee
Henkel Kgaa
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 Henkel Kgaa, Acciai Speciali Terni Spa filed Critical Henkel Kgaa
Priority to IT1999MI000943A priority Critical patent/IT1312556B1/it
Priority to US09/560,982 priority patent/US6554908B1/en
Priority to DE60015229T priority patent/DE60015229T2/de
Priority to PT00109339T priority patent/PT1050605E/pt
Priority to EP20000109339 priority patent/EP1050605B1/en
Priority to AT00109339T priority patent/ATE280851T1/de
Priority to ES00109339T priority patent/ES2231070T3/es
Publication of ITMI990943A1 publication Critical patent/ITMI990943A1/it
Application granted granted Critical
Publication of IT1312556B1 publication Critical patent/IT1312556B1/it

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
    • 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
    • C23C22/48—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 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
    • C23C22/50—Treatment of iron or alloys based thereon
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/45—Scale remover or preventor

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (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)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
IT1999MI000943A 1999-05-03 1999-05-03 Processo di decapaggio di acciaio inossidabile in assenza di acidonitrico ed in presenza di ioni cloruro IT1312556B1 (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT1999MI000943A IT1312556B1 (it) 1999-05-03 1999-05-03 Processo di decapaggio di acciaio inossidabile in assenza di acidonitrico ed in presenza di ioni cloruro
US09/560,982 US6554908B1 (en) 1999-05-03 2000-04-28 Process for pickling stainless steel in the absence of nitric acid and in the presence of chloride ions
DE60015229T DE60015229T2 (de) 1999-05-03 2000-05-02 Verfahren zum Beizen von rostfreien Stählen ohne Salpetersäure und in Anwesenheit von Chloridionen
PT00109339T PT1050605E (pt) 1999-05-03 2000-05-02 Processo de decapagem de aco inoxidavel na ausencia de acido nitrico e na presenca de ioes cloreto
EP20000109339 EP1050605B1 (en) 1999-05-03 2000-05-02 Process for pickling stainless steel in the absence of nitric acid and in the presence of chloride ions
AT00109339T ATE280851T1 (de) 1999-05-03 2000-05-02 Verfahren zum beizen von rostfreien stählen ohne salpetersäure und in anwesenheit von chloridionen
ES00109339T ES2231070T3 (es) 1999-05-03 2000-05-02 Proceso para el decapado del acero inoxidable en ausencia de acido nitrico y en presencia de iones cloruro.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999MI000943A IT1312556B1 (it) 1999-05-03 1999-05-03 Processo di decapaggio di acciaio inossidabile in assenza di acidonitrico ed in presenza di ioni cloruro

Publications (2)

Publication Number Publication Date
ITMI990943A1 ITMI990943A1 (it) 2000-11-03
IT1312556B1 true IT1312556B1 (it) 2002-04-22

Family

ID=11382868

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999MI000943A IT1312556B1 (it) 1999-05-03 1999-05-03 Processo di decapaggio di acciaio inossidabile in assenza di acidonitrico ed in presenza di ioni cloruro

Country Status (7)

Country Link
US (1) US6554908B1 (it)
EP (1) EP1050605B1 (it)
AT (1) ATE280851T1 (it)
DE (1) DE60015229T2 (it)
ES (1) ES2231070T3 (it)
IT (1) IT1312556B1 (it)
PT (1) PT1050605E (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10160318A1 (de) * 2001-12-07 2003-06-18 Henkel Kgaa Verfahren zum Beizen von martensitischem oder ferritischem Edelstahl
DE60333938D1 (de) 2002-10-15 2010-10-07 Henkel Ag & Co Kgaa Lösung und verfahren zum beizen von rostfreiem stahl
EP1980650A1 (fr) * 2007-04-05 2008-10-15 Kerma S.A. Composition de décapage exempte de nitrates et de peroxydes, et procédé mettant en oeuvre une telle composition
KR101373975B1 (ko) * 2008-11-14 2014-03-12 에이케이 스틸 프로퍼티즈 인코포레이티드 제2철 이온을 함유하는 산성 산세척액으로 규소강을 산세척하는 방법
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.
DE102009038795A1 (de) * 2009-08-25 2011-05-05 Poligrat Gmbh Beizverfahren für Edelstahl
US8859479B2 (en) * 2011-08-26 2014-10-14 United Technologies Corporation Chemical stripping composition and method
JP5897717B2 (ja) 2011-09-26 2016-03-30 エイケイ・スチール・プロパティーズ・インコーポレイテッドＡＫ Ｓｔｅｅｌ Ｐｒｏｐｅｒｔｉｅｓ， Ｉｎｃ． 酸化電解酸浴中でのステンレス鋼の酸洗い
GB2499000A (en) * 2012-02-02 2013-08-07 Henkel Ag & Co Kgaa Aqueous acidic pickling solution with hydroxylamine accelerators
CN104715871B (zh) * 2015-02-13 2017-06-23 西安泰金工业电化学技术有限公司 一种锂亚硫酰氯电池绝缘子表面高温氧化皮处理方法
DE102016210289A1 (de) * 2016-06-10 2017-12-14 Henkel Ag & Co. Kgaa Verfahren zur reinigenden Vorbehandlung von durch Schweißen zusammengefügten eisenhaltigen Bauteilen
TWI657167B (zh) * 2018-02-21 2019-04-21 中國鋼鐵股份有限公司 酸洗鋼帶清洗裝置
JP7058537B2 (ja) * 2018-03-30 2022-04-22 日鉄ステンレス株式会社 耐塩害腐食性に優れたフェライト系ステンレス鋼
WO2020251103A1 (ko) * 2019-06-14 2020-12-17 주식회사 포스코 전기전도성이 우수한 오스테나이트계 스테인리스강 및 그 제조방법
KR102300834B1 (ko) 2019-11-21 2021-09-13 주식회사 포스코 스테인리스강 산세용 이온성 액체 및 이를 이용한 스테인리스강의 산세방법
CN113788520A (zh) * 2021-10-08 2021-12-14 北京首钢吉泰安新材料有限公司 一种铁铬铝酸洗的工艺及废水处理方法和废水处理装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3907716A (en) * 1974-03-22 1975-09-23 American Cyanamid Co Copper oxidation catalysts and method for preparing the same
JPS549120A (en) 1977-06-24 1979-01-23 Tokai Electro Chemical Co Method of controlling acid cleaning liquid for stainless steel
JPS5518552A (en) * 1978-07-26 1980-02-08 Kawasaki Steel Corp Pickling method for cr type stainless steel
EP0188975B8 (fr) 1985-01-22 2002-01-09 Ugine S.A. Procédé pour le décapage acide des aciers, et notamment des aciers inoxydables
FR2587369B1 (fr) 1985-09-19 1993-01-29 Ugine Gueugnon Sa Procede de decapage acide de produits en acier inoxydable
JPH0323001A (ja) * 1989-06-19 1991-01-31 Kawasaki Steel Corp オーステナイト系ステンレス鋼板の製造方法
IT1255655B (it) 1992-08-06 1995-11-09 Processo di decapaggio e passivazione di acciaio inossidabile senza impiego di acido nitrico
JP3425706B2 (ja) * 1995-03-07 2003-07-14 Ｊｆｅスチール株式会社 高光沢ステンレス鋼帯の製造方法
CN1039038C (zh) 1994-08-24 1998-07-08 山东省冶金科学研究院 不锈钢 碳钢复合板酸洗液
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
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
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

Also Published As

Publication number Publication date
DE60015229T2 (de) 2006-02-16
EP1050605A3 (en) 2002-02-06
ES2231070T3 (es) 2005-05-16
EP1050605B1 (en) 2004-10-27
US6554908B1 (en) 2003-04-29
PT1050605E (pt) 2005-02-28
EP1050605A2 (en) 2000-11-08
DE60015229D1 (de) 2004-12-02
ATE280851T1 (de) 2004-11-15
ITMI990943A1 (it) 2000-11-03

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