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=***_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 JP5212109A priority patent/JP2819378B2/ja
Priority to RU93046281A priority patent/RU2126460C1/ru
Priority to FI933474A priority patent/FI101981B/fi
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)
  • Chemical Treatment Of Metals (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (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
FI933474A FI101981B (fi) 1992-08-06 1993-08-05 Menetelmä ruostumattoman teräksen peittaukseen ja passivointiin ilman typpihappoa
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
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) DE582121T1 (it)
ES (1) ES2143995T3 (it)
FI (1) FI101981B (it)
HU (1) HUT67521A (it)
IT (1) IT1255655B (it)
RU (1) RU2126460C1 (it)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE504733C2 (sv) * 1994-06-17 1997-04-14 Ta Chemistry Ab Förfarande för betning
AU3724095A (en) * 1994-09-26 1996-04-19 E.R. Squibb & Sons, Inc. Stainless steel acid treatment
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
SE510298C2 (sv) * 1995-11-28 1999-05-10 Eka Chemicals Ab Sätt vid betning av stål
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
TW416996B (en) * 1996-05-24 2001-01-01 Armco Inc Hydrogen peroxide pickling of stainless steel
FR2772050B1 (fr) * 1997-12-10 1999-12-31 Imphy Sa Procede de decapage d'acier et notamment d'acier inoxydable
DE19755350A1 (de) * 1997-12-12 1999-06-17 Henkel Kgaa Verfahren zum Beizen und Passivieren von Edelstahl
GB9807286D0 (en) 1998-04-06 1998-06-03 Solvay Interox Ltd Pickling process
USH2087H1 (en) * 1998-05-19 2003-11-04 H. C. Starck, Inc. Pickling of refractory metals
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
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
CA2300492A1 (en) 2000-03-13 2001-09-13 Henkel Corporation Removal of "copper kiss" from pickling high copper alloys
JP4549547B2 (ja) * 2001-01-25 2010-09-22 新日鐵住金ステンレス株式会社 ステンレス鋼の耐食性の評価用試験液および評価方法
EP1377523B1 (en) 2001-04-09 2008-08-13 AK Steel Properties, Inc. Apparatus and method for removing hydrogen peroxide from spent pickle liquor
KR100654513B1 (ko) 2001-04-09 2006-12-05 에이케이 스틸 프로퍼티즈 인코포레이티드 실리콘함유 전기강 스트립의 피클링 방법
DE60215629T2 (de) 2001-04-09 2007-09-06 AK Steel Properties, Inc., Middletown Verfahren 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
ITRM20010747A1 (it) 2001-12-19 2003-06-19 Ct Sviluppo Materiali Spa Procedimento a ridotto impatto ambientale e relativo impianto per descagliare, decapare e finire/passivare, in modo continuo, integrato e fl
US6803354B2 (en) 2002-08-05 2004-10-12 Henkel Kormanditgesellschaft Auf Aktien Stabilization of hydrogen peroxide in acidic baths for cleaning metals
JP4332115B2 (ja) 2002-10-15 2009-09-16 ヘンケル・アクチェンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト・アウフ・アクチェン 鋼及びステンレス鋼の酸洗い又は光沢化／不動態化用溶液及び方法
US20050234545A1 (en) * 2004-04-19 2005-10-20 Yea-Yang Su Amorphous oxide surface film for metallic implantable devices and method for production thereof
WO2006061881A1 (ja) 2004-12-07 2006-06-15 Sumitomo Metal Industries, Ltd. 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
WO2008100476A1 (en) * 2007-02-12 2008-08-21 Henkel Ag & Co. Kgaa Process for treating metal surfaces
US8128754B2 (en) * 2008-11-14 2012-03-06 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
CN103906864B (zh) 2011-09-26 2017-01-18 Ak钢铁产权公司 氧化的电解酸浴中的不锈钢酸洗
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
IT202000005848A1 (it) 2020-03-19 2021-09-19 Tenova Spa Processo per decapare e/o passivare un acciaio inossidabile.
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

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS549120A (en) * 1977-06-24 1979-01-23 Tokai Electro Chemical Co Method of controlling acid cleaning liquid for stainless steel
JPS5442850A (en) * 1977-09-10 1979-04-05 Kubota Ltd Method of treating raw sewage
JPS5551514A (en) * 1978-10-12 1980-04-15 Osaka Cement Steel fiber mixing method and its device
JPS568109A (en) * 1979-07-03 1981-01-27 Toshikazu Iwasaki Reflecting telescope
JPS5920752B2 (ja) * 1980-08-07 1984-05-15 川崎製鉄株式会社 オ−ステナイト系ステンレス鋼板の酸洗方法
JPS5844747B2 (ja) 1980-08-18 1983-10-05 川崎製鉄株式会社 ステンレス鋼帯の連続酸洗における過酸化水素の添加方法
JPS57198273A (en) * 1981-05-28 1982-12-04 Daikin Ind Ltd Pickling accelerator and pickling agent composition containing it
FR2551465B3 (fr) * 1983-09-02 1985-08-23 Gueugnon Sa Forges Procede de decapage acide des aciers inoxydables et solution acide pour sa mise en oeuvre
EP0188975B8 (fr) * 1985-01-22 2002-01-09 Ugine S.A. Procédé pour le décapage acide des aciers, et notamment des aciers inoxydables
JPS61235581A (ja) * 1985-04-12 1986-10-20 C Uyemura & Co Ltd スケ−ル除去剤及びスケ−ル除去方法
FR2587369B1 (fr) * 1985-09-19 1993-01-29 Ugine Gueugnon Sa Procede de decapage acide de produits en acier inoxydable
US5154774A (en) * 1985-09-19 1992-10-13 Ugine Aciers De Chatillon Et Gueugnon Process for acid pickling of stainless steel products
GB8922504D0 (en) * 1989-10-05 1989-11-22 Interox Chemicals Ltd Hydrogen peroxide solutions
SE8903452D0 (sv) * 1989-10-19 1989-10-19 Lars Aake Hilmer Haakansson Foerfarande foer betning av jaern och staalytor
FR2673200A1 (fr) * 1991-02-25 1992-08-28 Ugine Aciers Procede de surdecapage de materiaux en acier tels que les aciers inoxydables et les aciers allies.
IT1245594B (it) * 1991-03-29 1994-09-29 Itb Srl Processo di decapaggio e di passivazione di acciaio inossidabile senza acido nitrico
US5354383A (en) * 1991-03-29 1994-10-11 Itb, S.R.L. Process for pickling and passivating stainless steel without using nitric acid
JP2947695B2 (ja) * 1993-07-30 1999-09-13 日本ペイント株式会社 アルミニウム系金属の酸性洗浄水溶液及びその洗浄方法

Also Published As

Publication number Publication date
EP0582121B1 (en) 2000-03-22
CZ285442B6 (cs) 1999-08-11
JPH06212463A (ja) 1994-08-02
JP2819378B2 (ja) 1998-10-30
BR9400478A (pt) 1994-05-17
RU2126460C1 (ru) 1999-02-20
FI933474A (fi) 1994-02-07
HU9302112D0 (en) 1993-11-29
EP0582121A1 (en) 1994-02-09
HUT67521A (en) 1995-04-28
ITMI921946A0 (it) 1992-08-06
DE69328139D1 (de) 2000-04-27
DE69328139T2 (de) 2000-10-19
IT1255655B (it) 1995-11-09
FI933474A0 (fi) 1993-08-05
ES2143995T3 (es) 2000-06-01
CZ161893A3 (en) 1995-02-15
ATE191017T1 (de) 2000-04-15
DE582121T1 (de) 1994-06-16
FI101981B (fi) 1998-09-30
US5908511A (en) 1999-06-01

Similar Documents

Publication Publication Date Title
ITMI921946A1 (it) Processo di decapaggio e passivazione di acciaio inossidabile senza impiego di acido nitrico
ITMI910879A1 (it) Processo di decapaggio e di passivazione di acciaio inossidabile senza acido nitrico
RU93046281A (ru) Способ протравливания нержавеющей стали
US5810939A (en) Method at treatment of metals
ES2133874T3 (es) Proceso para decapar y pasivar acero inoxidable sin el concurso de acido nitrico.
US5417775A (en) Process for continuous titanium sheet pickling and passivation without using nitric acid
DE69219072D1 (de) Verfahren zum kontinuierlichen Beizen von Stahl-Material in einer Behandlungsstrasse
JPH11264087A (ja) ステンレス鋼のデスケール用処理液及びその使用方法
Bianchi Process for Pickling and Passivating Stainless Steel Without Using Nitric Acid
TH14955EX (th) กรรมวิธีสำหรับแช่และการทำให้เหล็กปลอดสนิมเฉื่อยต่อปฏิกิริยาโดยไม่ใช้กรดไนทริค
TH14955A (th) กรรมวิธีสำหรับแช่และการทำให้เหล็กปลอดสนิมเฉื่อยต่อปฏิกิริยาโดยไม่ใช้กรดไนทริค
Dalin et al. Method of reducing the emission of nitrogen oxides from a liquid containing nitric acid
JPS54123529A (en) Pickling method for stainless steel
Sarhan Optimum pickling time of carbon steel prior to hot-dip galvanizing
TH16044A (th) กรรมวิธีสำหรับการกัดเซาะแผ่นไทเทเนียมแบบต่อเนื่องและการไม่เกิดปฎิกิริยาโดยไม่ใช้กรดไนตริค
JPH11269677A (ja) ステンレスの酸洗処理方法
KR930010233A (ko) 연강물질의 피클링(pickling) 방법과 피클링 배드(pickling bath) 및 피클링 장치
ATA149698A (de) Verfahren zur gewinnung bzw. rückgewinnung von flusssäure und salpetersäure
Tsuchinaga et al. Process for Pickling Steel-Based Metallic Materials
Khvostov et al. Potassium Bromate as an Inhibitor of Stainless Steel Corrosion in Sulfuric Acid
Phillips et al. Batch Pickling of Wire Rod
Novitskii et al. Control and Intensification of the Etching of Rolled Stainless Steels in Chloride-Containing Sulfuric Acid Solutions

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970828