ES8608064A1 - Proceso para retirar una cascarilla de oxido de la superfi- cie de un articulo metalico - Google Patents
Proceso para retirar una cascarilla de oxido de la superfi- cie de un articulo metalicoInfo
- Publication number
- ES8608064A1 ES8608064A1 ES543218A ES543218A ES8608064A1 ES 8608064 A1 ES8608064 A1 ES 8608064A1 ES 543218 A ES543218 A ES 543218A ES 543218 A ES543218 A ES 543218A ES 8608064 A1 ES8608064 A1 ES 8608064A1
- Authority
- ES
- Spain
- Prior art keywords
- oxide scale
- article
- metal articles
- descaling
- volume
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title abstract 6
- 229910052751 metal Inorganic materials 0.000 title abstract 3
- 239000002184 metal Substances 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 2
- 229910052760 oxygen Inorganic materials 0.000 abstract 2
- 239000001301 oxygen Substances 0.000 abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
- 229910002651 NO3 Inorganic materials 0.000 abstract 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000003792 electrolyte Substances 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 238000007669 thermal treatment Methods 0.000 abstract 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/76—Adjusting the composition of the atmosphere
-
- 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)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
METODO PARA LA ELIMINACION DE CASCARILLA DE OXIDO DE LA SUPERFICIE DE PIEZAS METALICAS. COMPRENDE LA INMERSION DE LAS PIEZAS DE UN ELECTROLITO CONSTITUIDO POR UNA DISOLUCION ACUOSA DE AL MENOS UNA SAL NEUTRA, TAL COMO CLORURO, SULFATO O NITRATO DE UN METAL ALCALINO O DE AMONIO; AJUSTE DEL PH DEL ELECTROLITO A UN VALOR ENTRE 2,0 Y 3,5; PASO DE UNA CORRIENTE ELECTRICA DE BAJA DENSIDAD, ENTRE 1,55 Y 15,5 A/DM A TRAVES DE LAS PIEZAS EN EL ELECTROLITO, QUE SE MANTIENE A UNA TEMPERATURA COMPRENDIDA ENTRE 65,6JC Y 85JC; RETIRADA DE LAS PIEZAS DEL ELECTROLITO E INRTRODUCCION DE LAS MISMAS EN UNA DISOLUCION Y LAVADO DE LAS MISMAS CON AGUA. TIENE APLICACIONES PARA AL DESCASCARILLADO DE BANDAS O CHAPAS LAMINADAS, BARRAS, ALAMBRES Y PIEZAS TUBULARES.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/444,128 US4415415A (en) | 1982-11-24 | 1982-11-24 | Method of controlling oxide scale formation and descaling thereof from metal articles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES543218A0 ES543218A0 (es) | 1986-06-01 |
| ES8608064A1 true ES8608064A1 (es) | 1986-06-01 |
Family
ID=23763620
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES526242A Expired ES8604660A1 (es) | 1982-11-24 | 1983-10-05 | Metodo de control de la formacion de cascarilla de oxido y su descascarillado de articulos metalicos |
| ES543218A Expired ES8608064A1 (es) | 1982-11-24 | 1985-05-16 | Proceso para retirar una cascarilla de oxido de la superfi- cie de un articulo metalico |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES526242A Expired ES8604660A1 (es) | 1982-11-24 | 1983-10-05 | Metodo de control de la formacion de cascarilla de oxido y su descascarillado de articulos metalicos |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4415415A (es) |
| EP (1) | EP0113500B1 (es) |
| JP (1) | JPS5996300A (es) |
| KR (1) | KR890001379B1 (es) |
| AT (1) | AT381121B (es) |
| BR (1) | BR8306015A (es) |
| CA (1) | CA1217451A (es) |
| DE (1) | DE3381642D1 (es) |
| ES (2) | ES8604660A1 (es) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT387406B (de) * | 1987-05-07 | 1989-01-25 | Andritz Ag Maschf | Verfahren zum elektrolytischen beizen von chromhaeltigem edelstahl |
| AT395601B (de) * | 1990-07-27 | 1993-02-25 | Andritz Ag Maschf | Verfahren zum beizen von edelstahl |
| US5175026A (en) * | 1991-07-16 | 1992-12-29 | Wheeling-Nisshin, Inc. | Method for hot-dip coating chromium-bearing steel |
| AT402737B (de) * | 1992-04-29 | 1997-08-25 | Andritz Patentverwaltung | Verfahren zum diskontinuierlichen beizen von metallischen platten, insbesondere aus edelstahl |
| CN1055510C (zh) * | 1993-06-25 | 2000-08-16 | 川崎制铁株式会社 | 高张力钢板的热浸镀锌方法 |
| US5490908A (en) | 1994-07-11 | 1996-02-13 | Allegheny Ludlum Corporation | Annealing and descaling method for stainless steel |
| US5830291C1 (en) * | 1996-04-19 | 2001-05-22 | J & L Specialty Steel Inc | Method for producing bright stainless steel |
| DE19618899A1 (de) * | 1996-05-10 | 1997-11-13 | Metallgesellschaft Ag | Verfahren zum Entfernen von mit Seifen behafteten Konversionsschichten von metallischen Werkstücken |
| AT406486B (de) * | 1998-12-22 | 2000-05-25 | Andritz Patentverwaltung | Verfahren zum beizen von edelstahl |
| AU739659B2 (en) * | 1999-01-26 | 2001-10-18 | Nippon Steel Corporation | Method of removing scales and preventing scale formation on metal materials and apparatus therefor |
| EP1386012B1 (fr) * | 2001-04-26 | 2005-03-16 | L'AIR LIQUIDE, Société Anonyme à Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des | Procede pour ameliorer la qualite metallurgique de produits traites dans un four |
| KR101304602B1 (ko) * | 2011-12-21 | 2013-09-05 | 주식회사 포스코 | 스케일의 박리성을 향상시키는 방법 |
| DE102014111779A1 (de) * | 2014-08-18 | 2016-02-18 | Iva Industrieöfen Gmbh | Verfahren zur Herstellung einer Retorte für einen Nitrierofen sowie Retorte |
| CN117512306A (zh) * | 2023-11-30 | 2024-02-06 | 甘肃酒钢集团宏兴钢铁股份有限公司 | 一种高效254SMo冷轧卷板退火酸洗方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1226856A (fr) * | 1958-12-23 | 1960-08-16 | Procédé de décapage des aciers alliés | |
| US3254011A (en) * | 1963-09-20 | 1966-05-31 | Allegheny Ludlum Steel | Electrolytic potassium hydroxide descaling |
| US3260619A (en) * | 1965-02-04 | 1966-07-12 | Kolene Corp | Methods and compositions for cleaning metal |
| US4066521A (en) * | 1977-02-09 | 1978-01-03 | Allegheny Ludlum Industries, Inc. | Metallic descaling system |
| US4026777A (en) * | 1976-04-01 | 1977-05-31 | Allegheny Ludlum Industries, Inc. | Metallic descaling system |
| US4012299A (en) * | 1976-04-01 | 1977-03-15 | Allegheny Ludlum Industries, Inc. | Metallic descaling system |
| DE2808399A1 (de) * | 1978-02-27 | 1979-09-06 | Uss Eng & Consult | Verfahren zur oberflaechenkonditionierung von rostfreiem stahl |
| DE3008314C2 (de) * | 1980-03-04 | 1982-09-16 | MTU Motoren- und Turbinen-Union München GmbH, 8000 München | Verfahren zur Aktivierung von Titanoberflächen |
| US4363709A (en) * | 1981-02-27 | 1982-12-14 | Allegheny Ludlum Steel Corporation | High current density, acid-free electrolytic descaling process |
| JPS6047918B2 (ja) * | 1981-03-29 | 1985-10-24 | 住友金属工業株式会社 | 鋼線材の電解脱スケ−ルにおける酸性電解法 |
-
1982
- 1982-11-24 US US06/444,128 patent/US4415415A/en not_active Expired - Lifetime
-
1983
- 1983-09-30 AT AT0347983A patent/AT381121B/de not_active IP Right Cessation
- 1983-10-05 ES ES526242A patent/ES8604660A1/es not_active Expired
- 1983-10-06 JP JP58187676A patent/JPS5996300A/ja active Granted
- 1983-10-06 EP EP83306051A patent/EP0113500B1/en not_active Expired
- 1983-10-06 DE DE8383306051T patent/DE3381642D1/de not_active Expired - Fee Related
- 1983-10-18 KR KR1019830004926A patent/KR890001379B1/ko not_active Expired
- 1983-10-21 CA CA000439442A patent/CA1217451A/en not_active Expired
- 1983-10-31 BR BR8306015A patent/BR8306015A/pt not_active IP Right Cessation
-
1985
- 1985-05-16 ES ES543218A patent/ES8608064A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES8604660A1 (es) | 1986-02-01 |
| US4415415A (en) | 1983-11-15 |
| DE3381642D1 (de) | 1990-07-19 |
| JPS5996300A (ja) | 1984-06-02 |
| AT381121B (de) | 1986-08-25 |
| CA1217451A (en) | 1987-02-03 |
| EP0113500B1 (en) | 1990-06-13 |
| ATA347983A (de) | 1986-01-15 |
| ES543218A0 (es) | 1986-06-01 |
| JPH0314920B2 (es) | 1991-02-27 |
| BR8306015A (pt) | 1984-07-10 |
| EP0113500A2 (en) | 1984-07-18 |
| KR840006832A (ko) | 1984-12-03 |
| KR890001379B1 (ko) | 1989-05-02 |
| ES526242A0 (es) | 1986-02-01 |
| EP0113500A3 (en) | 1987-01-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD1A | Patent lapsed |
Effective date: 20000301 |