BR9905932A - Processo para decapar aço fino. - Google Patents
Processo para decapar aço fino.Info
- Publication number
- BR9905932A BR9905932A BR9905932-0A BR9905932A BR9905932A BR 9905932 A BR9905932 A BR 9905932A BR 9905932 A BR9905932 A BR 9905932A BR 9905932 A BR9905932 A BR 9905932A
- Authority
- BR
- Brazil
- Prior art keywords
- thin steel
- electrochemical
- pickling
- stripping thin
- stripping
- Prior art date
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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
- C25F1/02—Pickling; Descaling
- C25F1/04—Pickling; Descaling in solution
- C25F1/06—Iron or steel
Landscapes
- Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
Patente de Invenção: <B>"PROCESSO PARA DECAPAR AçO FINO"<D>. A invenção refere-se a um processo para a decapagem químico e/ou eletroquímico de aço nobre em um líquido ácido livre de ácido nítrico. Ele é principalmente caracterizado pelo fato de que a solução de eletrólito utilizada a partir de linhas de decapagem com sal neutro eletroquímicas, de preferência linhas de decapagem com sulfato de sódio, é adicionada dosadamente.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0212998A AT406486B (de) | 1998-12-22 | 1998-12-22 | Verfahren zum beizen von edelstahl |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9905932A true BR9905932A (pt) | 2000-09-12 |
Family
ID=3528401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9905932-0A BR9905932A (pt) | 1998-12-22 | 1999-12-22 | Processo para decapar aço fino. |
Country Status (8)
Country | Link |
---|---|
US (1) | US6398876B1 (pt) |
EP (1) | EP1013800B1 (pt) |
KR (1) | KR100562094B1 (pt) |
CN (1) | CN1195898C (pt) |
AT (2) | AT406486B (pt) |
BR (1) | BR9905932A (pt) |
DE (1) | DE59906582D1 (pt) |
ZA (1) | ZA997788B (pt) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT413697B (de) * | 2001-11-07 | 2006-05-15 | Andritz Ag Maschf | Verfahren zur behandlung säurehältiger abwässer |
CN100451174C (zh) * | 2004-05-28 | 2009-01-14 | 高桥金属株式会社 | 金属氧化皮膜或锈的去除水及该去除水的使用方法 |
JP4911920B2 (ja) * | 2005-05-18 | 2012-04-04 | 英夫 吉田 | 六価クロムの抽出方法 |
KR100650887B1 (ko) * | 2005-12-26 | 2006-11-28 | 주식회사 포스코 | 저크롬 페라이트 스테인레스강의 고속전해 산세방법 |
CN101922039B (zh) * | 2010-09-08 | 2012-01-04 | 西安航空动力股份有限公司 | 一种去除涡轮盘封严齿机加表面缺陷的方法 |
ES2605452T3 (es) * | 2011-09-26 | 2017-03-14 | Ak Steel Properties, Inc. | Decapado de acero inoxidable en un baño ácido electrolítico oxidante |
US9089887B2 (en) | 2012-12-10 | 2015-07-28 | Samuel Steel Pickling Company | Line threading device and method |
ITMI20130494A1 (it) * | 2013-03-29 | 2014-09-30 | Tenova Spa | Metodo per trattare in continuo la superficie di un laminato di acciaio inossidabile in una soluzione a base di acido cloridrico |
JP6137089B2 (ja) * | 2014-09-02 | 2017-05-31 | Jfeスチール株式会社 | 冷延鋼板の製造方法および冷延鋼板の製造設備 |
AT517710B1 (de) * | 2016-04-13 | 2017-04-15 | Andritz Ag Maschf | Verfahren zum elektrolytischen beizen von metallbändern |
US11312048B2 (en) * | 2017-01-10 | 2022-04-26 | Guangdong Everwin Precision Technology Co., Ltd. | Surface treatment method of material, material product and composite material |
CN107299201B (zh) * | 2017-07-21 | 2019-09-03 | 首钢集团有限公司 | 消除碳含量在0.40%以上的冷轧锯片钢表层裂纹的方法 |
CN107350744A (zh) * | 2017-07-25 | 2017-11-17 | 江苏星河阀门有限公司 | 一种用于核电机组的双卡套式管接头的生产工艺 |
JP7058537B2 (ja) * | 2018-03-30 | 2022-04-22 | 日鉄ステンレス株式会社 | 耐塩害腐食性に優れたフェライト系ステンレス鋼 |
CN109267142A (zh) * | 2018-09-26 | 2019-01-25 | 中国民航大学 | 一种沉淀硬化型不锈钢常温电解酸洗方法 |
BE1026907B1 (nl) * | 2018-12-20 | 2020-07-22 | Aperam Stainless Belgium | Werkwijze voor het produceren van op ten minste drie verschillende manieren afgewerkt roestvast plaatstaal |
BE1026906B1 (nl) * | 2018-12-20 | 2020-07-22 | Aperam Stainless Belgium | Werkwijze voor het produceren van op ten minste drie verschillende manieren afgewerkt roestvast plaatstaal |
CA3139440A1 (en) * | 2019-06-07 | 2020-12-10 | Yang Chen | Pfas treatment scheme using separation and electrochemical elimination |
CN111057935B (zh) * | 2019-12-25 | 2021-04-02 | 浦项(张家港)不锈钢股份有限公司 | 一种耐热不锈钢的制备方法 |
CN112831794B (zh) * | 2020-12-30 | 2023-04-28 | 中冶南方工程技术有限公司 | 酸洗废液处理系统、不锈钢酸洗系统及工艺 |
CN113215646A (zh) * | 2021-05-11 | 2021-08-06 | 山西太钢工程技术有限公司 | 一种电解硫酸钠溶液循环利用智能控制系统 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2172041A (en) * | 1937-10-07 | 1939-09-05 | Stephen F Urban | Pickling solution |
US2564549A (en) * | 1945-07-02 | 1951-08-14 | Albert R Stargardter | Pickling treatment |
FR1226856A (fr) * | 1958-12-23 | 1960-08-16 | Procédé de décapage des aciers alliés | |
US3607482A (en) * | 1969-08-11 | 1971-09-21 | Wilson & Co | Process of regeneration of metal treating solutions |
US3787306A (en) * | 1971-10-20 | 1974-01-22 | Cationic Corp | Process for the concurrent recovery of acid and metal values from spent pickle acid containing the same |
US3870585A (en) * | 1973-02-15 | 1975-03-11 | Pureco Systems Inc | Apparatus and method for evaporative concentration of aqueous solutions and slurries |
US3969207A (en) * | 1975-03-05 | 1976-07-13 | Licencia Talalmanyokat Ertekesito Vallalat | Method for the cyclic electrochemical processing of sulfuric acid-containing pickle waste liquors |
US4149946A (en) * | 1978-03-21 | 1979-04-17 | Davis Walker Corporation | Recovery of spent pickle liquor and iron metal |
US4197139A (en) * | 1978-08-23 | 1980-04-08 | Hjersted Norman B | Process for the reclamation of acid from spent pickle liquor |
US4391685A (en) * | 1981-02-26 | 1983-07-05 | Republic Steel Corporation | Process for electrolytically pickling steel strip material |
US4415415A (en) * | 1982-11-24 | 1983-11-15 | Allegheny Ludlum Steel Corporation | Method of controlling oxide scale formation and descaling thereof from metal articles |
HUT53398A (en) * | 1987-01-19 | 1990-10-28 | Borsodi Vegyi Komb | Process for descaling and deoxidating metals and metal alloys, particularly alloyed steels, high-alloyed steels and carbon steels, in pickling bath containing iron(iii)ion active ingredient |
JPS63216986A (ja) * | 1987-03-03 | 1988-09-09 | Sumitomo Metal Ind Ltd | 低Cr鋼の高速酸洗方法 |
AT387406B (de) * | 1987-05-07 | 1989-01-25 | Andritz Ag Maschf | Verfahren zum elektrolytischen beizen von chromhaeltigem edelstahl |
AT391486B (de) * | 1988-09-14 | 1990-10-10 | Andritz Ag Maschf | Verfahren zum elektrolytischen beizen von edelstahlband |
US5076884A (en) * | 1990-07-19 | 1991-12-31 | Westinghouse Electric Corp. | Process of precipitating zirconium or hafnium from spent pickling solutions |
JPH0762279B2 (ja) * | 1991-08-02 | 1995-07-05 | 日本冶金工業株式会社 | ステンレス鋼の中性塩電解脱スケール方法 |
US5213667A (en) * | 1991-08-05 | 1993-05-25 | Hozer Norman R | Electrolytic bath solution and method for improving the surface wear resistance of tools |
JP3377533B2 (ja) * | 1992-03-30 | 2003-02-17 | 新日本製鐵株式会社 | 酸洗廃液中のPt、Pd、Rh金属回収方法 |
AT401183B (de) * | 1995-02-15 | 1996-07-25 | Andritz Patentverwaltung | Verfahren zur regeneration von elektrolyten, insbesondere na2so4 aus abbeizen von edelstahl, insbesondere edelstahlbändern |
AT404030B (de) * | 1995-02-15 | 1998-07-27 | Andritz Patentverwaltung | Verfahren zur beize von materialien aus stahl, insbesondere edelstahl |
JPH0913200A (ja) * | 1995-06-30 | 1997-01-14 | Mitsubishi Heavy Ind Ltd | ステンレス鋼板用酸洗液の再生方法及びその装置 |
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 |
FR2745301B1 (fr) * | 1996-02-27 | 1998-04-03 | Usinor Sacilor | Procede de decapage d'une piece en acier et notamment d'une bande de tole en acier inoxydable |
US5702534A (en) * | 1996-05-24 | 1997-12-30 | Armco Inc. | Hydrogen peroxide pickling of stainless steel |
IT1288407B1 (it) * | 1996-12-09 | 1998-09-22 | Sviluppo Materiali Spa | Metodo per il decapaggio di prodotti in lega metallica contenente ferro e di titanio e sue leghe |
-
1998
- 1998-12-22 AT AT0212998A patent/AT406486B/de not_active IP Right Cessation
-
1999
- 1999-11-27 EP EP99123620A patent/EP1013800B1/de not_active Expired - Lifetime
- 1999-11-27 AT AT99123620T patent/ATE247182T1/de not_active IP Right Cessation
- 1999-11-27 DE DE59906582T patent/DE59906582D1/de not_active Expired - Lifetime
- 1999-12-20 KR KR1019990059281A patent/KR100562094B1/ko not_active IP Right Cessation
- 1999-12-21 ZA ZA9907788A patent/ZA997788B/xx unknown
- 1999-12-21 US US09/467,376 patent/US6398876B1/en not_active Expired - Fee Related
- 1999-12-21 CN CNB991229452A patent/CN1195898C/zh not_active Expired - Fee Related
- 1999-12-22 BR BR9905932-0A patent/BR9905932A/pt not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CN1195898C (zh) | 2005-04-06 |
EP1013800A2 (de) | 2000-06-28 |
EP1013800A3 (de) | 2000-11-15 |
KR100562094B1 (ko) | 2006-03-17 |
ATE247182T1 (de) | 2003-08-15 |
DE59906582D1 (de) | 2003-09-18 |
CN1261630A (zh) | 2000-08-02 |
US6398876B1 (en) | 2002-06-04 |
ATA212998A (de) | 1999-10-15 |
EP1013800B1 (de) | 2003-08-13 |
AT406486B (de) | 2000-05-25 |
ZA997788B (en) | 2000-06-30 |
KR20000048256A (ko) | 2000-07-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B11B | Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements |