DE69602570T2 - Verfahren zum Beizen und Passivieren von rostfreiem Stahl ohne Salpetersäure - Google Patents

Verfahren zum Beizen und Passivieren von rostfreiem Stahl ohne Salpetersäure

Info

Publication number
DE69602570T2
DE69602570T2 DE69602570T DE69602570T DE69602570T2 DE 69602570 T2 DE69602570 T2 DE 69602570T2 DE 69602570 T DE69602570 T DE 69602570T DE 69602570 T DE69602570 T DE 69602570T DE 69602570 T2 DE69602570 T2 DE 69602570T2
Authority
DE
Germany
Prior art keywords
pickling
stainless steel
nitric acid
passivating stainless
passivating
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
DE69602570T
Other languages
English (en)
Other versions
DE69602570D1 (de
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=DE69602570(T2) "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
Publication of DE69602570D1 publication Critical patent/DE69602570D1/de
Application granted granted Critical
Publication of DE69602570T2 publication Critical patent/DE69602570T2/de
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)
  • 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)
DE69602570T 1995-10-18 1996-10-15 Verfahren zum Beizen und Passivieren von rostfreiem Stahl ohne Salpetersäure Expired - Lifetime DE69602570T2 (de)

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 (2)

Publication Number Publication Date
DE69602570D1 DE69602570D1 (de) 1999-07-01
DE69602570T2 true DE69602570T2 (de) 1999-10-28

Family

ID=11372385

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69602570T Expired - Lifetime DE69602570T2 (de) 1995-10-18 1996-10-15 Verfahren zum Beizen und Passivieren von rostfreiem Stahl ohne Salpetersäure

Country Status (6)

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

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.
CA2443687C (en) 2001-04-09 2009-08-11 Vijay N. Madi Hydrogen peroxide pickling of silicon-containing electrical steel grades
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 (de) * 2007-04-05 2008-10-15 Kerma S.A. Nitrat- und Peroxydfreie Beizzusammensetzung und Verfahren zur Umsetzung einer solchen Zusammensetzung
CN102203324B (zh) * 2008-11-14 2013-09-04 Ak钢铁资产公司 用含三价铁离子的酸性酸洗溶液酸洗硅钢的方法
US8859479B2 (en) 2011-08-26 2014-10-14 United Technologies Corporation Chemical stripping composition and method
TWI452181B (zh) 2011-09-26 2014-09-11 Ak Steel Properties Inc 在氧化、電解酸浴中之不銹鋼酸漬法
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
US10900774B2 (en) * 2016-07-26 2021-01-26 Pirelli Tyre S.P.A. Method for checking tyres for vehicle wheels
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
ES2133874T3 (es) 1999-09-16
IT1276955B1 (it) 1997-11-03
EP0769574A1 (de) 1997-04-23
ITMI952141A1 (it) 1997-04-18
EP0769574B1 (de) 1999-05-26
US6068001A (en) 2000-05-30
DE69602570D1 (de) 1999-07-01
JPH09291383A (ja) 1997-11-11
ITMI952141A0 (de) 1995-10-18

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: ACCIAI SPECIALI TERNI S.P.A., TERNI, IT

Owner name: HENKEL AG & CO. KGAA, 40589 DUESSELDORF, DE