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ZA9811343B - Process for pickling and passivating special steel - Google Patents

Process for pickling and passivating special steel

Info

Publication number
ZA9811343B
ZA9811343B ZA9811343A ZA9811343A ZA9811343B ZA 9811343 B ZA9811343 B ZA 9811343B ZA 9811343 A ZA9811343 A ZA 9811343A ZA 9811343 A ZA9811343 A ZA 9811343A ZA 9811343 B ZA9811343 B ZA 9811343B
Authority
ZA
South Africa
Prior art keywords
passivating
pickling
special steel
special
steel
Prior art date
Application number
ZA9811343A
Inventor
Paolo Giordani
Stefano Trasatti
Christos Comninellis
Original Assignee
Henkel Kgaa
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 filed Critical Henkel Kgaa
Publication of ZA9811343B publication Critical patent/ZA9811343B/en

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
    • 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
    • C23G1/081—Iron or steel solutions containing H2SO4

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)
  • Chemical Treatment Of Metals (AREA)
  • ing And Chemical Polishing (AREA)
ZA9811343A 1997-12-12 1998-12-10 Process for pickling and passivating special steel ZA9811343B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19755350A DE19755350A1 (en) 1997-12-12 1997-12-12 Process for pickling and passivating stainless steel

Publications (1)

Publication Number Publication Date
ZA9811343B true ZA9811343B (en) 1999-06-14

Family

ID=7851742

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9811343A ZA9811343B (en) 1997-12-12 1998-12-10 Process for pickling and passivating special steel

Country Status (7)

Country Link
EP (1) EP1040211B1 (en)
AR (1) AR010966A1 (en)
AU (1) AU2157999A (en)
DE (2) DE19755350A1 (en)
ES (1) ES2217621T3 (en)
WO (1) WO1999031296A1 (en)
ZA (1) ZA9811343B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0974682A1 (en) 1998-07-18 2000-01-26 Henkel Kommanditgesellschaft auf Aktien Method and apparatus for the chemical treatment of metalsurfaces
IT1302202B1 (en) 1998-09-11 2000-07-31 Henkel Kgaa ELECTROLYTIC PICKLING PROCESS WITH SOLUTIONS FREE FROM ACIDONITRICO.
WO2001058625A1 (en) 2000-02-10 2001-08-16 Tetronics Limited Plasma arc reactor for the production of fine powders
GB0004845D0 (en) 2000-02-29 2000-04-19 Tetronics Ltd A method and apparatus for packaging ultra fine powders into containers
DE60201387T2 (en) 2000-04-10 2005-11-17 Tetronics Ltd., Faringdon DOUBLE PLASMA BURNER DEVICE
DE10160318A1 (en) 2001-12-07 2003-06-18 Henkel Kgaa Process for pickling martensitic or ferritic stainless steel
EP1552038B1 (en) * 2002-08-30 2007-08-01 Henkel Kommanditgesellschaft auf Aktien An economic method for restoring the oxidation potential of a pickling solution
WO2004035861A1 (en) 2002-10-15 2004-04-29 Henkel Kommanditgesellschaft Auf Aktien Pickling or brightening/passivating solution and process for steel and stainless steel
DE102004041097A1 (en) * 2004-08-24 2006-03-02 Behr Gmbh & Co. Kg Method for producing a component
US20060182674A1 (en) * 2005-02-02 2006-08-17 Javier Jara Reduction of copper content in the molybdenite concentrate
DE102012024542A1 (en) * 2012-12-14 2014-06-18 Poligrat Gmbh Thixotropic mordant
EP3771749A1 (en) * 2019-07-29 2021-02-03 Ewald Dörken Ag Method for passivating metallic substrates

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2136303B2 (en) * 1971-07-14 1975-08-28 New Canadian Processes Ltd., Toronto, Ontario (Kanada) Process for the production of iron (III) chloride from iron (H) chloride
US4707349A (en) * 1986-02-28 1987-11-17 Hjersted Norman B Process of preparing a preferred ferric sulfate solution, and product
JPH01165783A (en) * 1987-12-23 1989-06-29 Kawasaki Steel Corp Method for refreshing pickling bath for band stainless steel
JPH02205692A (en) * 1989-02-04 1990-08-15 Nippon Steel Corp Method and equipment for pickling stainless steel
FR2673200A1 (en) * 1991-02-25 1992-08-28 Ugine Aciers METHOD FOR OVERDRAWING STEEL MATERIALS SUCH AS STAINLESS STEELS AND ALLIED STEELS.
IT1245594B (en) * 1991-03-29 1994-09-29 Itb Srl PICKLING AND PASSIVATION PROCESS OF STAINLESS STEEL WITHOUT NITRIC ACID
IT1255655B (en) * 1992-08-06 1995-11-09 STAINLESS STEEL PICKLING AND PASSIVATION PROCESS WITHOUT THE USE OF NITRIC ACID
IT1276954B1 (en) * 1995-10-18 1997-11-03 Novamax Itb S R L PICKLING AND PASSIVATION PROCESS OF STAINLESS STEEL WITHOUT THE USE OF NITRIC ACID
FR2745301B1 (en) * 1996-02-27 1998-04-03 Usinor Sacilor PROCESS FOR STRIPPING A STEEL PART AND PARTICULARLY A STAINLESS STEEL SHEET STRIP
EP0795628B1 (en) * 1996-03-14 2001-05-23 CONDOROIL IMPIANTI s.r.l. Pickling of stainless steels while continuously reoxidizing catalytically the pickling solution

Also Published As

Publication number Publication date
EP1040211A1 (en) 2000-10-04
ES2217621T3 (en) 2004-11-01
EP1040211B1 (en) 2004-03-03
DE59810931D1 (en) 2004-04-08
AR010966A1 (en) 2000-07-12
AU2157999A (en) 1999-07-05
WO1999031296A1 (en) 1999-06-24
DE19755350A1 (en) 1999-06-17

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