DE69711090T2 - Verfahren zum beizen von eisen enthaltenden metallegierungen und titan und seinen legierungen - Google Patents

Verfahren zum beizen von eisen enthaltenden metallegierungen und titan und seinen legierungen

Info

Publication number
DE69711090T2
DE69711090T2 DE69711090T DE69711090T DE69711090T2 DE 69711090 T2 DE69711090 T2 DE 69711090T2 DE 69711090 T DE69711090 T DE 69711090T DE 69711090 T DE69711090 T DE 69711090T DE 69711090 T2 DE69711090 T2 DE 69711090T2
Authority
DE
Germany
Prior art keywords
titanium
alloys
acid
containing metal
pickling
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 - Fee Related
Application number
DE69711090T
Other languages
English (en)
Other versions
DE69711090D1 (de
Inventor
Franco Mancia
Sandro Fortunati
Ezio Novaro
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.)
Acciai Speciali Terni SpA
Original Assignee
ThyssenKrupp 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 ThyssenKrupp Acciai Speciali Terni SpA filed Critical ThyssenKrupp Acciai Speciali Terni SpA
Publication of DE69711090D1 publication Critical patent/DE69711090D1/de
Application granted granted Critical
Publication of DE69711090T2 publication Critical patent/DE69711090T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
    • C25F1/02—Pickling; Descaling
    • C25F1/04—Pickling; Descaling in solution
    • C25F1/06—Iron or steel
    • 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
    • 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
    • C23G1/10—Other heavy metals
    • C23G1/106—Other heavy metals refractory metals
    • 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
    • C23G1/36—Regeneration of waste pickling liquors
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
    • C25F1/02—Pickling; Descaling
    • C25F1/04—Pickling; Descaling in solution
    • C25F1/08—Refractory metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Electrolytic Production Of Metals (AREA)
DE69711090T 1996-12-09 1997-12-05 Verfahren zum beizen von eisen enthaltenden metallegierungen und titan und seinen legierungen Expired - Fee Related DE69711090T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT96RM000849A IT1288407B1 (it) 1996-12-09 1996-12-09 Metodo per il decapaggio di prodotti in lega metallica contenente ferro e di titanio e sue leghe
PCT/IT1997/000300 WO1998026111A1 (en) 1996-12-09 1997-12-05 Method for pickling products in a metal alloy containing iron and in titanium and alloys thereof

Publications (2)

Publication Number Publication Date
DE69711090D1 DE69711090D1 (de) 2002-04-18
DE69711090T2 true DE69711090T2 (de) 2003-07-24

Family

ID=11404582

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69711090T Expired - Fee Related DE69711090T2 (de) 1996-12-09 1997-12-05 Verfahren zum beizen von eisen enthaltenden metallegierungen und titan und seinen legierungen

Country Status (9)

Country Link
EP (1) EP0960221B1 (de)
AT (1) ATE214436T1 (de)
AU (1) AU7847898A (de)
DE (1) DE69711090T2 (de)
ES (1) ES2178023T3 (de)
IT (1) IT1288407B1 (de)
TW (1) TW451001B (de)
WO (1) WO1998026111A1 (de)
ZA (1) ZA9710983B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1297076B1 (it) 1997-11-24 1999-08-03 Acciai Speciali Terni Spa Metodo per il decapaggio di prodotti in acciaio
IT1302202B1 (it) 1998-09-11 2000-07-31 Henkel Kgaa Processo di decapaggio elettrolitico con soluzioni esenti da acidonitrico.
DE19850524C2 (de) * 1998-11-03 2002-04-04 Eilenburger Elektrolyse & Umwelttechnik Gmbh Nitratfreies Recycling-Beizverfahren für Edelstähle
AT406486B (de) * 1998-12-22 2000-05-25 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
ATE478975T1 (de) 2002-10-15 2010-09-15 Henkel Ag & Co Kgaa Lösung und verfahren zum beizen von rostfreiem stahl
EP1980650A1 (de) * 2007-04-05 2008-10-15 Kerma S.A. Nitrat- und Peroxydfreie Beizzusammensetzung und Verfahren zur Umsetzung einer solchen Zusammensetzung
CN103572303B (zh) * 2013-10-24 2015-11-25 中联重机股份有限公司 一种钢材化学前处理方法及所用酸洗液
CN111057935B (zh) * 2019-12-25 2021-04-02 浦项(张家港)不锈钢股份有限公司 一种耐热不锈钢的制备方法
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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50133125A (de) * 1974-04-10 1975-10-22
DE3937438C2 (de) * 1989-02-23 1998-01-29 Wilfried Simmer Verfahren zum Beizen von Stahl
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
JPH04362183A (ja) * 1991-06-07 1992-12-15 Nippon Paint Co Ltd アルミニウム表面洗浄浴の再生方法
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

Also Published As

Publication number Publication date
IT1288407B1 (it) 1998-09-22
EP0960221B1 (de) 2002-03-13
TW451001B (en) 2001-08-21
ITRM960849A0 (it) 1996-12-09
ES2178023T3 (es) 2002-12-16
ATE214436T1 (de) 2002-03-15
WO1998026111A1 (en) 1998-06-18
EP0960221A1 (de) 1999-12-01
DE69711090D1 (de) 2002-04-18
ZA9710983B (en) 1998-06-15
ITRM960849A1 (it) 1998-06-09
AU7847898A (en) 1998-07-03

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Legal Events

Date Code Title Description
8332 No legal effect for de
8327 Change in the person/name/address of the patent owner

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

8370 Indication related to discontinuation of the patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee