ES2133874T3 - Proceso para decapar y pasivar acero inoxidable sin el concurso de acido nitrico. - Google Patents

Proceso para decapar y pasivar acero inoxidable sin el concurso de acido nitrico.

Info

Publication number
ES2133874T3
ES2133874T3 ES96116476T ES96116476T ES2133874T3 ES 2133874 T3 ES2133874 T3 ES 2133874T3 ES 96116476 T ES96116476 T ES 96116476T ES 96116476 T ES96116476 T ES 96116476T ES 2133874 T3 ES2133874 T3 ES 2133874T3
Authority
ES
Spain
Prior art keywords
bathroom
stainless steel
sup
stripping
nitric acid
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
ES96116476T
Other languages
English (en)
Inventor
Cesare Pedrazinni
Paolo Giordani
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.)
Henkel AG and Co KGaA
Acciai Speciali Terni SpA
Original Assignee
Henkel AG and Co 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11372385&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2133874(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Henkel AG and Co KGaA, Acciai Speciali Terni SpA filed Critical Henkel AG and Co KGaA
Application granted granted Critical
Publication of ES2133874T3 publication Critical patent/ES2133874T3/es
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
    • 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)

Abstract

PROCESO PARA LIMPIAR CON BAÑO QUIMICO ACERO INOXIDABLE QUE CONSISTE EN COLOCAR EL MATERIAL A SER TRATADO EN UN BAÑO MANTENIDO A UNA TEMPERATURA QUE VARIA DE 30 (GRADOS) C A 70 (GRADOS) C Y QUE CONTIENE: A) HCI B) FE{SUP,3+} C) HF D) EMULSIONADORES, AGENTES HUMECTORES, AGENTES DE PULIDO, INHIBIDORES DE ATAQUE ACIDO; EL BAÑO SIENDO ALIMENTADO CONTINUAMENTE CON: - UN FLUJO DE AIRE IGUAL A AL MENOS 3 M{SUP,3}/H POR M{SUP,3} BAÑO MIN. Y UNA CANTIDAD OXIDANTE AJUSTADA AL POTENCIAL DE REDOX DEL BAÑO PARA MANTENER A 250 MV MIN.
ES96116476T 1995-10-18 1996-10-15 Proceso para decapar y pasivar acero inoxidable sin el concurso de acido nitrico. Expired - Lifetime ES2133874T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT95MI002141A IT1276955B1 (it) 1995-10-18 1995-10-18 Processo di decapaggio e passivazione di acciaio inossidabile senza impiego di acido nitrico

Publications (1)

Publication Number Publication Date
ES2133874T3 true ES2133874T3 (es) 1999-09-16

Family

ID=11372385

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96116476T Expired - Lifetime ES2133874T3 (es) 1995-10-18 1996-10-15 Proceso para decapar y pasivar acero inoxidable sin el concurso de acido nitrico.

Country Status (6)

Country Link
US (1) US6068001A (es)
EP (1) EP0769574B1 (es)
JP (1) JPH09291383A (es)
DE (1) DE69602570T2 (es)
ES (1) ES2133874T3 (es)
IT (1) IT1276955B1 (es)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE19828811C1 (de) * 1998-06-27 1999-12-09 Goldschmidt Ag Th Beizaktivierungslösung für die Vorbehandlung von Aluminium-Stahl-Verbundwerkstoffen vor einer Tauchverzinnung und Beizaktivierungsverfahren
AT407755B (de) * 1998-07-15 2001-06-25 Andritz Patentverwaltung Verfahren zum beizen von edelstahl
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
FR2807957B1 (fr) * 2000-04-21 2002-08-02 Vai Clecim Procede et installation de laminage a froid
IT1317896B1 (it) * 2000-08-10 2003-07-15 Ct Sviluppo Materiali Spa Metodo di decapaggio elettrolitico continuo di prodotti metallici concelle alimentate a corrente alternata.
JP4180925B2 (ja) 2001-04-09 2008-11-12 エイケイ・スティール・プロパティーズ・インコーポレイテッド ケイ素含有電気用鋼等級の過酸化水素酸洗
BR0208747B1 (pt) * 2001-04-09 2011-02-08 processo e aparelho para remoção de peróxido de hidrogênio.
ATE343663T1 (de) 2001-04-09 2006-11-15 Ak Properties Inc Verfharen zum beizen von rostfreiem stahl unter verwendung von wasserstoffperoxid
ES2350095T3 (es) 2002-10-15 2011-01-18 HENKEL AG & CO. KGAA Solución y procedimiento de decapado para acero inoxidable.
US20040094236A1 (en) * 2002-11-14 2004-05-20 Crown Technology, Inc. Methods for passivating stainless steel
US20050234545A1 (en) * 2004-04-19 2005-10-20 Yea-Yang Su Amorphous oxide surface film for metallic implantable devices and method for production thereof
KR101115713B1 (ko) 2004-10-30 2012-03-06 주식회사 포스코 페라이트계 스테인리스강의 무소둔용 산세방법
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
WO2010056825A2 (en) 2008-11-14 2010-05-20 Ak Steel Properties, Inc. Ferric pickling of silicon steel
US8859479B2 (en) * 2011-08-26 2014-10-14 United Technologies Corporation Chemical stripping composition and method
HUE031817T2 (en) 2011-09-26 2017-08-28 Ak Steel Properties Inc Stainless steel etching in an oxidizing electrolytic acid bath
CN105499287A (zh) * 2015-12-29 2016-04-20 何百寅 去除热轧镍、铬不锈钢材料氧化皮的方法
RU2737564C2 (ru) * 2016-07-26 2020-12-01 Пирелли Тайр С.П.А. Способ и станция контроля шин для колес транспортных средств
CN110608937A (zh) * 2019-09-26 2019-12-24 江苏省沙钢钢铁研究院有限公司 一种不锈钢高温淬火组织的金相腐蚀剂及其腐蚀方法
IT202000005848A1 (it) 2020-03-19 2021-09-19 Tenova Spa Processo per decapare e/o passivare un acciaio inossidabile.

Family Cites Families (11)

* 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
JPS5518552A (en) * 1978-07-26 1980-02-08 Kawasaki Steel Corp Pickling method for cr type stainless steel
JPS5550468A (en) * 1978-10-11 1980-04-12 Kawasaki Steel Corp Pickling method for cr base stainless steel
JPS602392B2 (ja) * 1981-12-25 1985-01-21 川崎製鉄株式会社 ＮＯｘ発生を抑制したステンレス鋼の酸洗方法
FR2551465B3 (fr) * 1983-09-02 1985-08-23 Gueugnon Sa Forges Procede de decapage acide des aciers inoxydables et solution acide pour sa mise en oeuvre
JPS60243289A (ja) * 1984-05-17 1985-12-03 Kobe Steel Ltd 酸洗処理方法
ATE121804T1 (de) * 1985-01-22 1995-05-15 Ugine Sa Verfahren zum säuren beizen von stahlen, insbesondere von rostfreien stahlen.
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.
IT1255655B (it) * 1992-08-06 1995-11-09 Processo di decapaggio e passivazione di acciaio inossidabile senza impiego di acido nitrico
DE4417284C2 (de) * 1993-05-24 1999-03-25 Alfred Schmitz Verfahren zum Beizen von Werkstücken aus hochlegierten Werkstoffen

Also Published As

Publication number Publication date
IT1276955B1 (it) 1997-11-03
DE69602570T2 (de) 1999-10-28
EP0769574B1 (en) 1999-05-26
JPH09291383A (ja) 1997-11-11
ITMI952141A1 (it) 1997-04-18
DE69602570D1 (de) 1999-07-01
US6068001A (en) 2000-05-30
ITMI952141A0 (es) 1995-10-18
EP0769574A1 (en) 1997-04-23

Similar Documents

Publication Publication Date Title
ES2133874T3 (es) Proceso para decapar y pasivar acero inoxidable sin el concurso de acido nitrico.
ES2143995T3 (es) Proceso para decapar y pasivar acero inoxidable sin el concurso de acido nitrico.
KR970020236A (ko) 압연 스테인레스 스틸 시트 스트립(stainless steel sheet strip)의 연속적인 생산을 위한 공정과 그 공정을 실행시키기 위한 연속 생산 라인
IT1245594B (it) Processo di decapaggio e di passivazione di acciaio inossidabile senza acido nitrico
IT1276954B1 (it) Processo di decapaggio e di passivazione di acciaio inossidabile senza impiego di acido nitrico
IT1255855B (it) Processo di decapaggio e di passivazione per lamiere di titanio in nastro, senza impiego di acido nitrico.
FR2177874A1 (en) Cleaning metal surfaces - before phosphating, in cascade system giving uniform phosphating and reducing water requirements
JPH11264087A (ja) ステンレス鋼のデスケール用処理液及びその使用方法
KR100654513B1 (ko) 실리콘함유 전기강 스트립의 피클링 방법
JPS5550468A (en) Pickling method for cr base stainless steel
AU2002307176A1 (en) Hydrogen peroxide pickling of silicon-containing electrical steel grades
ES2102480T3 (es) Procedimiento de decapado de materiales de acero en continuo en una linea de tratamiento.
JPS57142710A (en) Descaling method for hot rolled strip
Kleingarn Pickling in hydrochloric acid
CN206143318U (zh) 一种镀锌带钢酸洗除污装置
ATE46197T1 (de) Verfahren und vorrichtung zum elektrochemischen polieren und beizen.
Gul et al. Intensification of the Hardening Treatment of Cylindrical Steel Products Having Great Lengths
JPS57200546A (en) Preparation of molten zinc plating and alloying treated steel plate
JPS57194262A (en) Descaling method for stainless steel
JPS55141596A (en) Improvement of soldering property of cold rolled stainless steel strip treated by bright annealing
Heimhard et al. Modern Pickling Processes
TW373035B (en) Method of treating a metal
Lohmeyer Waste Water and Waste Products of Some Metal Surface Treatment Processes
TH16044A (th) กรรมวิธีสำหรับการกัดเซาะแผ่นไทเทเนียมแบบต่อเนื่องและการไม่เกิดปฎิกิริยาโดยไม่ใช้กรดไนตริค
Freedman Cooling Water Treatment

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 769574

Country of ref document: ES