FI101981B - Menetelmä ruostumattoman teräksen peittaukseen ja passivointiin ilman typpihappoa - Google Patents

Menetelmä ruostumattoman teräksen peittaukseen ja passivointiin ilman typpihappoa Download PDF

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Publication number
FI101981B
FI101981B FI933474A FI933474A FI101981B FI 101981 B FI101981 B FI 101981B FI 933474 A FI933474 A FI 933474A FI 933474 A FI933474 A FI 933474A FI 101981 B FI101981 B FI 101981B
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FI
Finland
Prior art keywords
bath
pickling
steel
acid
h2so4
Prior art date
Application number
FI933474A
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English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI933474L (fi
FI933474A0 (fi
Inventor
Marco Bianchi
Original Assignee
Novamax Itb S R L
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.)
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Application filed by Novamax Itb S R L filed Critical Novamax Itb S R L
Publication of FI933474A0 publication Critical patent/FI933474A0/fi
Publication of FI933474L publication Critical patent/FI933474L/fi
Application granted granted Critical
Publication of FI101981B publication Critical patent/FI101981B/fi

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    • 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

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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
FI933474A 1992-08-06 1993-08-05 Menetelmä ruostumattoman teräksen peittaukseen ja passivointiin ilman typpihappoa FI101981B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI921946 1992-08-06
ITMI921946A IT1255655B (it) 1992-08-06 1992-08-06 Processo di decapaggio e passivazione di acciaio inossidabile senza impiego di acido nitrico

Publications (3)

Publication Number Publication Date
FI933474A0 FI933474A0 (fi) 1993-08-05
FI933474L FI933474L (fi) 1994-02-07
FI101981B true FI101981B (fi) 1998-09-30

Family

ID=11363848

Family Applications (1)

Application Number Title Priority Date Filing Date
FI933474A FI101981B (fi) 1992-08-06 1993-08-05 Menetelmä ruostumattoman teräksen peittaukseen ja passivointiin ilman typpihappoa

Country Status (12)

Country Link
US (1) US5908511A (cs)
EP (1) EP0582121B1 (cs)
JP (1) JP2819378B2 (cs)
AT (1) ATE191017T1 (cs)
BR (1) BR9400478A (cs)
CZ (1) CZ285442B6 (cs)
DE (2) DE69328139T2 (cs)
ES (1) ES2143995T3 (cs)
FI (1) FI101981B (cs)
HU (1) HUT67521A (cs)
IT (1) IT1255655B (cs)
RU (1) RU2126460C1 (cs)

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EP1840237B1 (en) 2004-12-07 2013-03-06 Nippon Steel & Sumitomo Metal Corporation Martensitic stainless steel pipe for oil well
KR100650887B1 (ko) 2005-12-26 2006-11-28 주식회사 포스코 저크롬 페라이트 스테인레스강의 고속전해 산세방법
US8153057B2 (en) * 2007-07-24 2012-04-10 Nalco Company Method and device for preventing corrosion in hot water systems
BRPI0808453A2 (pt) * 2007-02-12 2014-07-01 Henkel Ag & Co Kgaa Método de tratamento de uma superfície de um substrato de metal
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JP5897717B2 (ja) 2011-09-26 2016-03-30 エイケイ・スチール・プロパティーズ・インコーポレイテッドＡＫ Ｓｔｅｅｌ Ｐｒｏｐｅｒｔｉｅｓ， Ｉｎｃ． 酸化電解酸浴中でのステンレス鋼の酸洗い
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
GB2508827A (en) 2012-12-11 2014-06-18 Henkel Ag & Co Kgaa Aqueous compositions and processes for passivating and brightening stainless steel surfaces
CN103882455A (zh) * 2014-03-18 2014-06-25 浙江大学 一种不含硝酸的不锈钢酸洗液及其制备方法
CN105369266A (zh) * 2015-12-14 2016-03-02 浙江大学 一种基于Fenton氧化反应的钢材酸洗液及酸洗工艺
CN105862049B (zh) * 2016-06-06 2018-07-13 滨中元川金属制品（昆山）有限公司 螺钉防发黑处理工艺
CN108300998B (zh) * 2018-02-02 2020-06-09 西安热工研究院有限公司 显示p91和p92钢原奥氏体晶界的侵蚀剂、制备方法及应用
JP6605066B2 (ja) * 2018-03-30 2019-11-13 日鉄ステンレス株式会社 Ｆｅ−Ｃｒ合金およびその製造方法
RU2712875C1 (ru) * 2019-05-28 2020-01-31 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") Способ разделки корпуса боеприпаса из коррозионностойкой стали
KR102300834B1 (ko) 2019-11-21 2021-09-13 주식회사 포스코 스테인리스강 산세용 이온성 액체 및 이를 이용한 스테인리스강의 산세방법
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CN112941528B (zh) * 2021-02-01 2022-10-21 西安航天发动机有限公司 一种06Cr19Ni10增材制造薄壁夹层结构内腔粉末颗粒的去除方法

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Also Published As

Publication number Publication date
ATE191017T1 (de) 2000-04-15
BR9400478A (pt) 1994-05-17
JPH06212463A (ja) 1994-08-02
IT1255655B (it) 1995-11-09
DE69328139D1 (de) 2000-04-27
FI933474L (fi) 1994-02-07
HU9302112D0 (en) 1993-11-29
JP2819378B2 (ja) 1998-10-30
HUT67521A (en) 1995-04-28
EP0582121A1 (en) 1994-02-09
ITMI921946A0 (it) 1992-08-06
ITMI921946A1 (it) 1994-02-06
FI933474A0 (fi) 1993-08-05
US5908511A (en) 1999-06-01
RU2126460C1 (ru) 1999-02-20
DE69328139T2 (de) 2000-10-19
CZ285442B6 (cs) 1999-08-11
CZ161893A3 (en) 1995-02-15
ES2143995T3 (es) 2000-06-01
DE582121T1 (de) 1994-06-16
EP0582121B1 (en) 2000-03-22

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Owner name: NOVAMAX ITB S.R.L.

GB Transfer or assigment of application

Owner name: NOVAMAX ITB S.R.L.

MA Patent expired