ZA201405712B - Use of nitrogen compounds in the pickling of stainless steel - Google Patents

Use of nitrogen compounds in the pickling of stainless steel

Info

Publication number
ZA201405712B
ZA201405712B ZA2014/05712A ZA201405712A ZA201405712B ZA 201405712 B ZA201405712 B ZA 201405712B ZA 2014/05712 A ZA2014/05712 A ZA 2014/05712A ZA 201405712 A ZA201405712 A ZA 201405712A ZA 201405712 B ZA201405712 B ZA 201405712B
Authority
ZA
South Africa
Prior art keywords
pickling
stainless steel
nitrogen compounds
nitrogen
compounds
Prior art date
Application number
ZA2014/05712A
Other languages
English (en)
Inventor
Ioannis Demertzis
Paolo Giordani
Mauro Rigamonti
Paolo Gamboggi
Original Assignee
Henkel Ag & Co 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 Ag & Co Kgaa filed Critical Henkel Ag & Co Kgaa
Publication of ZA201405712B publication Critical patent/ZA201405712B/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
    • 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
    • C23C22/07—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 phosphates
    • C23C22/08—Orthophosphates
    • C23C22/12—Orthophosphates containing zinc cations
    • C23C22/13—Orthophosphates containing zinc cations containing also nitrate or nitrite anions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/02—Inorganic compounds
    • C11D7/04—Water-soluble compounds
    • C11D7/08—Acids
    • 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
    • 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
    • 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)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
ZA2014/05712A 2012-02-02 2014-08-01 Use of nitrogen compounds in the pickling of stainless steel ZA201405712B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1201824.8A GB2499000A (en) 2012-02-02 2012-02-02 Aqueous acidic pickling solution with hydroxylamine accelerators
PCT/EP2013/051891 WO2013113811A1 (en) 2012-02-02 2013-01-31 Use of nitrogen compounds in the pickling of stainless steel

Publications (1)

Publication Number Publication Date
ZA201405712B true ZA201405712B (en) 2015-04-29

Family

ID=45896527

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2014/05712A ZA201405712B (en) 2012-02-02 2014-08-01 Use of nitrogen compounds in the pickling of stainless steel

Country Status (10)

Country Link
US (1) US9487741B2 (enExample)
EP (1) EP2809831B1 (enExample)
JP (1) JP6100281B2 (enExample)
KR (1) KR20140121831A (enExample)
CN (1) CN104145049A (enExample)
GB (1) GB2499000A (enExample)
MX (1) MX344298B (enExample)
TW (1) TWI585239B (enExample)
WO (1) WO2013113811A1 (enExample)
ZA (1) ZA201405712B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016210289A1 (de) 2016-06-10 2017-12-14 Henkel Ag & Co. Kgaa Verfahren zur reinigenden Vorbehandlung von durch Schweißen zusammengefügten eisenhaltigen Bauteilen
TWI657167B (zh) * 2018-02-21 2019-04-21 中國鋼鐵股份有限公司 酸洗鋼帶清洗裝置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1107046B (de) * 1957-04-06 1961-05-18 Siemens Ag Verfahren zur Entrostung von aus Eisen und/oder Stahl bestehenden Gegenstaenden und Anlagen, insbesondere zur Reinigung von Kesselanlagen und Anordnung zum Ausueben des Verfahrens
US3085915A (en) * 1958-03-13 1963-04-16 Siemens Ag Method of removing rust from ironcontaining materials, particularly for the cleaning of boiler plants
JPS5249767B2 (enExample) * 1973-11-01 1977-12-20
DD135406A1 (de) * 1978-02-15 1979-05-02 Joerg Broers Verfahren zur verminderung der korrosiven wirkung von eisen-iii-ionen auf stahl in sauren beizloesungen
JPS62180090A (ja) * 1986-02-04 1987-08-07 Sumitomo Metal Ind Ltd 鋼板の片面酸洗方法
IT1245594B (it) * 1991-03-29 1994-09-29 Itb Srl Processo di decapaggio e di passivazione di acciaio inossidabile senza acido nitrico
CN1100759A (zh) * 1993-09-22 1995-03-29 鞍山钢铁公司 硫酸酸洗除鳞加速剂
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
IT1303814B1 (it) 1998-12-02 2001-02-23 Henkel Kgaa Apparecchiatura e metodo per controllare processi di decapaggio peracciaio.
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
ES2322932T3 (es) * 1999-12-30 2009-07-02 HENKEL AG & CO. KGAA Abrillantamiento/pasivacion de superficies metalicas sin peligro de emisiones de oxidos de nitrogeno.
US7294210B2 (en) * 2001-12-13 2007-11-13 Henkel Kommanditgesellschaft Auf Aktien Use of substituted hydroxylamines in metal phosphating processes
JP2008266697A (ja) * 2007-04-18 2008-11-06 Jfe Steel Kk ステンレス鋼材の酸洗方法及び製造方法

Also Published As

Publication number Publication date
CN104145049A (zh) 2014-11-12
TW201333267A (zh) 2013-08-16
EP2809831B1 (en) 2016-03-30
WO2013113811A1 (en) 2013-08-08
EP2809831A1 (en) 2014-12-10
KR20140121831A (ko) 2014-10-16
US9487741B2 (en) 2016-11-08
MX2014009320A (es) 2014-11-12
TWI585239B (zh) 2017-06-01
GB2499000A (en) 2013-08-07
US20140334965A1 (en) 2014-11-13
JP2015505584A (ja) 2015-02-23
GB201201824D0 (en) 2012-03-21
MX344298B (es) 2016-12-09
JP6100281B2 (ja) 2017-03-22

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