ITMI921946A1 - Processo di decapaggio e passivazione di acciaio inossidabile senza impiego di acido nitrico - Google Patents

Processo di decapaggio e passivazione di acciaio inossidabile senza impiego di acido nitrico

Info

Publication number
ITMI921946A1
ITMI921946A1 IT001946A ITMI921946A ITMI921946A1 IT MI921946 A1 ITMI921946 A1 IT MI921946A1 IT 001946 A IT001946 A IT 001946A IT MI921946 A ITMI921946 A IT MI921946A IT MI921946 A1 ITMI921946 A1 IT MI921946A1
Authority
IT
Italy
Prior art keywords
bath
stainless steel
steel pickling
nitric acid
passivation process
Prior art date
Application number
IT001946A
Other languages
English (en)
Inventor
Marco Bianchi
Original Assignee
Itb Srl
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=11363848&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ITMI921946(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Publication of ITMI921946A0 publication Critical patent/ITMI921946A0/it
Priority to ITMI921946A priority Critical patent/IT1255655B/it
Application filed by Itb Srl filed Critical Itb Srl
Priority to EP93111528A priority patent/EP0582121B1/en
Priority to AT93111528T priority patent/ATE191017T1/de
Priority to DE0582121T priority patent/DE582121T1/de
Priority to ES93111528T priority patent/ES2143995T3/es
Priority to DE69328139T priority patent/DE69328139T2/de
Priority to HU9302112A priority patent/HUT67521A/hu
Priority to RU93046281A priority patent/RU2126460C1/ru
Priority to FI933474A priority patent/FI101981B/fi
Priority to JP5212109A priority patent/JP2819378B2/ja
Priority to CZ931618A priority patent/CZ285442B6/cs
Publication of ITMI921946A1 publication Critical patent/ITMI921946A1/it
Priority to BR9400478A priority patent/BR9400478A/pt
Publication of IT1255655B publication Critical patent/IT1255655B/it
Application granted granted Critical
Priority to US08/874,797 priority patent/US5908511A/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
    • 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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Chemical Treatment Of Metals (AREA)
  • ing And Chemical Polishing (AREA)
ITMI921946A 1992-08-06 1992-08-06 Processo di decapaggio e passivazione di acciaio inossidabile senza impiego di acido nitrico IT1255655B (it)

Priority Applications (13)

Application Number Priority Date Filing Date Title
ITMI921946A IT1255655B (it) 1992-08-06 1992-08-06 Processo di decapaggio e passivazione di acciaio inossidabile senza impiego di acido nitrico
EP93111528A EP0582121B1 (en) 1992-08-06 1993-07-19 Process for stainless steel pickling and passivation without using nitric acid
AT93111528T ATE191017T1 (de) 1992-08-06 1993-07-19 Verfahren zum beizen und passivieren von rostfreiem stahl ohne verwendung von salpetersäure
DE0582121T DE582121T1 (de) 1992-08-06 1993-07-19 Verfahren zum Beizen und Passivieren von rostfreiem Stahl ohne Verwendung von Salpetersäure.
ES93111528T ES2143995T3 (es) 1992-08-06 1993-07-19 Proceso para decapar y pasivar acero inoxidable sin el concurso de acido nitrico.
DE69328139T DE69328139T2 (de) 1992-08-06 1993-07-19 Verfahren zum Beizen und Passivieren von rostfreiem Stahl ohne Verwendung von Salpetersäure
HU9302112A HUT67521A (en) 1992-08-06 1993-07-21 Process for stainless steel pickling and passivation without using nitric acid
JP5212109A JP2819378B2 (ja) 1992-08-06 1993-08-05 ステンレス鋼のピックリング法
RU93046281A RU2126460C1 (ru) 1992-08-06 1993-08-05 Способ протравливания нержавеющей стали
FI933474A FI101981B (fi) 1992-08-06 1993-08-05 Menetelmä ruostumattoman teräksen peittaukseen ja passivointiin ilman typpihappoa
CZ931618A CZ285442B6 (cs) 1992-08-06 1993-08-06 Způsob moření nekorodující oceli
BR9400478A BR9400478A (pt) 1992-08-06 1994-02-09 Processo para a decapagem e passivação de aço inoxidável sem uso de ácido nítrico
US08/874,797 US5908511A (en) 1992-08-06 1997-06-13 Process for stainless steel pickling and passivation without using nitric acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
ITMI921946A0 ITMI921946A0 (it) 1992-08-06
ITMI921946A1 true ITMI921946A1 (it) 1994-02-06
IT1255655B IT1255655B (it) 1995-11-09

Family

ID=11363848

Family Applications (1)

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

Country Status (12)

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

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SE504733C2 (sv) * 1994-06-17 1997-04-14 Ta Chemistry Ab Förfarande för betning
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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
IT1276955B1 (it) * 1995-10-18 1997-11-03 Novamax Itb S R L Processo di decapaggio e passivazione di acciaio inossidabile senza impiego di acido nitrico
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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
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ATE343663T1 (de) 2001-04-09 2006-11-15 Ak Properties Inc Verfharen zum beizen von rostfreiem stahl unter verwendung von wasserstoffperoxid
DE10160318A1 (de) * 2001-12-07 2003-06-18 Henkel Kgaa Verfahren zum Beizen von martensitischem oder ferritischem Edelstahl
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US20050234545A1 (en) * 2004-04-19 2005-10-20 Yea-Yang Su Amorphous oxide surface film for metallic implantable devices and method for production thereof
JP4556952B2 (ja) 2004-12-07 2010-10-06 住友金属工業株式会社 油井用マルテンサイト系ステンレス鋼管
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
CA2677753C (en) * 2007-02-12 2016-03-29 Henkel Ag & Co. Kgaa Process for treating metal surfaces
WO2010056825A2 (en) * 2008-11-14 2010-05-20 Ak Steel Properties, Inc. Ferric pickling of silicon steel
KR101289147B1 (ko) * 2010-12-28 2013-07-23 주식회사 포스코 표면품질이 우수한 저크롬 페라이트계 스테인리스 냉연강판을 제조하기 위한 친환경 고속 산세 프로세스
HUE031817T2 (en) 2011-09-26 2017-08-28 Ak Steel Properties Inc Stainless steel etching in an oxidizing electrolytic acid bath
WO2014021639A1 (ko) * 2012-07-31 2014-02-06 주식회사 포스코 오스테나이트계 스테인리스 냉연강판을 제조하기 위한 고속 산세 프로세스
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
ES2143995T3 (es) 2000-06-01
JPH06212463A (ja) 1994-08-02
FI933474A (fi) 1994-02-07
FI933474A0 (fi) 1993-08-05
HUT67521A (en) 1995-04-28
EP0582121B1 (en) 2000-03-22
DE69328139T2 (de) 2000-10-19
BR9400478A (pt) 1994-05-17
ITMI921946A0 (it) 1992-08-06
IT1255655B (it) 1995-11-09
DE582121T1 (de) 1994-06-16
ATE191017T1 (de) 2000-04-15
CZ285442B6 (cs) 1999-08-11
RU2126460C1 (ru) 1999-02-20
DE69328139D1 (de) 2000-04-27
HU9302112D0 (en) 1993-11-29
CZ161893A3 (en) 1995-02-15
EP0582121A1 (en) 1994-02-09
FI101981B (fi) 1998-09-30
JP2819378B2 (ja) 1998-10-30
US5908511A (en) 1999-06-01

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Effective date: 19970828