ES2000222A6 - Procedimiento de decapado de productos de acero inoxidable - Google Patents

Procedimiento de decapado de productos de acero inoxidable

Info

Publication number
ES2000222A6
ES2000222A6 ES8600701A ES8600701A ES2000222A6 ES 2000222 A6 ES2000222 A6 ES 2000222A6 ES 8600701 A ES8600701 A ES 8600701A ES 8600701 A ES8600701 A ES 8600701A ES 2000222 A6 ES2000222 A6 ES 2000222A6
Authority
ES
Spain
Prior art keywords
etching
stainless steel
bath
steel products
acid etching
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
Application number
ES8600701A
Other languages
English (en)
Inventor
Bernard Bousquet
Bernard Chetreff
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.)
Ugine Aciers de Chatillon et Guegnon
Original Assignee
Ugine Aciers de Chatillon et Guegnon
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=9323241&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2000222(A6) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ugine Aciers de Chatillon et Guegnon filed Critical Ugine Aciers de Chatillon et Guegnon
Publication of ES2000222A6 publication Critical patent/ES2000222A6/es
Expired 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

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)
  • Detergent Compositions (AREA)
  • ing And Chemical Polishing (AREA)

Abstract

EL INVENTO TIENE POR OBJETO UN PROCEDIMIENTO DE DECAPADO DE PRODUCTOS DE ACERO INOXIDABLE, EN EL CUAL SE UTILIZA UN BAÑO DE DECAPADO DE COMPOSICION INICIAL: HF 10 A 50 G/LITRO HIERRO FERRICO (FE3B) DISUELTO > 15 G/LITRO AGUA: EL RESTO A UNA TEMPERATURA COMPRENDIDA ENTRE 15 Y 70JC, CARACTERIZADO PORQUE, DURANTE LA OPERACION U OPERACIONES DE DECAPADO, SE MANTIENE EL CONTENIDO EN HIERRO FERRICO DEL BAÑO EN AL MENOS 15 G/LITRO POR OXIDACION DEL BAÑO, QUE COMPRENDE AL MENOS UNA O VARIAS INYECCIONES DE AIRE DE CAUDAL TOTAL SUPERIOR O IGUAL A 1 M3 NORMAL POR M2 DE ACERO INOXIDABLE DECAPADO Y POR HORA DE DECAPADO DE CADA ELEMENTO DE SUPERFICIE DECAPADA. EL PROCEDIMIENTO DEL INVENTO SE APLICA PARTICULARMENTE AL DECAPADO INDUSTRIAL DE CHAPAS Y BANDAS DE ACERO INOXIDABLE, EN EL CUAL PERMITE EVITAR EL EMPLEO DE ACIDO NITRICO Y LAS CONTAMINACIONES QUE DE ELLO RESULTAN.
ES8600701A 1985-09-19 1986-07-29 Procedimiento de decapado de productos de acero inoxidable Expired ES2000222A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8514220A FR2587369B1 (fr) 1985-09-19 1985-09-19 Procede de decapage acide de produits en acier inoxydable

Publications (1)

Publication Number Publication Date
ES2000222A6 true ES2000222A6 (es) 1988-01-16

Family

ID=9323241

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8600701A Expired ES2000222A6 (es) 1985-09-19 1986-07-29 Procedimiento de decapado de productos de acero inoxidable

Country Status (10)

Country Link
EP (1) EP0236354B1 (es)
JP (1) JPS62501981A (es)
BR (1) BR8606873A (es)
CA (1) CA1272980A (es)
DE (1) DE3664340D1 (es)
ES (1) ES2000222A6 (es)
FI (1) FI81126C (es)
FR (1) FR2587369B1 (es)
MX (1) MX168028B (es)
WO (1) WO1987001739A1 (es)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2650303B1 (fr) * 1989-07-26 1993-12-10 Ugine Aciers Chatillon Gueugnon Procede de decapage en bain acide de produits metalliques contenant du titane ou au moins un element chimique de la famille du titane
US5338367A (en) * 1989-07-26 1994-08-16 Ugine, Aciers De Chatillon Et Gueugnon Pickling process in an acid bath of metallic products containing titanium or at least one chemical element of the titanium family
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.
IT1245594B (it) * 1991-03-29 1994-09-29 Itb Srl Processo di decapaggio e di passivazione di acciaio inossidabile senza acido nitrico
FR2683551B1 (fr) * 1991-11-07 1994-09-16 Ugine Sa Procede de decapage de materiaux en acier en continu sur une ligne de traitement.
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.
FR2721328B1 (fr) * 1994-06-15 1996-09-06 Ugine Sa Procédé de décapage de matériaux métalliques, notamment en acier allié, en acier inoxydable ou en alliage de titane, par une solution du type contenant des ions ferriques en milieu acide.
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
GB9807286D0 (en) * 1998-04-06 1998-06-03 Solvay Interox Ltd Pickling process
DE19850524C2 (de) * 1998-11-03 2002-04-04 Eilenburger Elektrolyse & Umwelttechnik Gmbh Nitratfreies Recycling-Beizverfahren für Edelstähle
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
JP6031606B2 (ja) * 2012-07-31 2016-11-24 ポスコＰｏｓｃｏ オーステナイト系ステンレス冷延鋼板を製造するための高速酸洗プロセス
CN109328245A (zh) * 2017-05-31 2019-02-12 天佑科技有限责任公司 为清除在不锈钢管道及构筑物焊接部位的剥落和铁锈而进行的酸洗及形成钝化膜的处理剂
IT201900006672A1 (it) 2019-05-10 2020-11-10 Condoroil Stainless Srl Unita' per il decapaggio elettrolitico interno ed esterno di tubi in acciaio inossidabile
KR102300834B1 (ko) 2019-11-21 2021-09-13 주식회사 포스코 스테인리스강 산세용 이온성 액체 및 이를 이용한 스테인리스강의 산세방법
JP7176137B2 (ja) * 2020-01-09 2022-11-21 Ｐｒｉｍｅｔａｌｓ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｊａｐａｎ株式会社 鋼板の酸洗方法及び酸洗装置
IT202000005848A1 (it) 2020-03-19 2021-09-19 Tenova Spa Processo per decapare e/o passivare un acciaio inossidabile.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2474526A (en) * 1940-06-15 1949-06-28 Monsanto Chemicals Picking of stainless steels
US2564549A (en) * 1945-07-02 1951-08-14 Albert R Stargardter Pickling treatment
DE899890C (de) * 1952-03-18 1953-12-17 Deutsche Edelstahlwerke Ag Verfahren zum Regenerieren von Beizbaedern
JPS549120A (en) * 1977-06-24 1979-01-23 Tokai Electro Chemical Co Method of controlling acid cleaning liquid for stainless steel
JPS57194262A (en) * 1981-05-26 1982-11-29 Mitsubishi Gas Chem Co Inc Descaling method for stainless steel
DE3222532A1 (de) * 1982-06-16 1983-12-22 Arno 5042 Erftstadt Kuhlmann Verfahren und mittel zum sauren beizen von austenitischen edelstaehlen
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
EP0188975B8 (fr) * 1985-01-22 2002-01-09 Ugine S.A. Procédé pour le décapage acide des aciers, et notamment des aciers inoxydables

Also Published As

Publication number Publication date
FI81126C (fi) 1990-09-10
FI872187A0 (fi) 1987-05-18
DE3664340D1 (en) 1989-08-17
FR2587369A1 (fr) 1987-03-20
EP0236354B1 (fr) 1989-07-12
FR2587369B1 (fr) 1993-01-29
FI872187A (fi) 1987-05-18
MX168028B (es) 1993-04-29
EP0236354A1 (fr) 1987-09-16
BR8606873A (pt) 1987-11-03
CA1272980A (fr) 1990-08-21
FI81126B (fi) 1990-05-31
JPS62501981A (ja) 1987-08-06
WO1987001739A1 (fr) 1987-03-26
JPH0420996B2 (es) 1992-04-07

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ES2000222A6 (es) Procedimiento de decapado de productos de acero inoxidable
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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20060731