ES8406573A1 - Procedimiento mejorado para la produccion de laminas de acero revestidas - Google Patents
Procedimiento mejorado para la produccion de laminas de acero revestidasInfo
- Publication number
- ES8406573A1 ES8406573A1 ES525740A ES525740A ES8406573A1 ES 8406573 A1 ES8406573 A1 ES 8406573A1 ES 525740 A ES525740 A ES 525740A ES 525740 A ES525740 A ES 525740A ES 8406573 A1 ES8406573 A1 ES 8406573A1
- Authority
- ES
- Spain
- Prior art keywords
- chromium
- production
- steel sheet
- galvanized steel
- oxide layers
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/38—Chromatising
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Electrochemical Coating By Surface Reaction (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
METODO DE PRODUCCION DE LAMINAS DE ACERO REVESTIDAS, MEDIANTE DEPOSICION DE UNA CAPA PROTECTORA DE CROMO Y OXIDOS DE CROMO SOBRE UNA LAMINA GALVANIZADA.CONSISTE EN SUMERGIR LA LAMINA EN UNA DISOLUCION ACUOSA QUE CONTIENE 110-170 G/L DE CRO2-4, 0,7-1,4 G/L DE SO2-4, 0,4-1,0 G/L DE CR3B, 0,5-11 G/L DE F- Y 0,01-2 G/L DE BF-, A UNA TEMPERATURA ENTRE 40JC Y 55JC Y UN PH ENTRE 0,3 Y 1; APLICAR UNA DENSIDAD DE CORRIENTE CATODICA ENTRE 40 Y 80 A/DM DURANTE 2-6 SEGUNDOS; EXTRAER LA LAMINA Y SUMERGIRLA EN OTRO BAÑO EN EL QUE LA CONCENTRACION DE CRO2-4 SE HA BAJADOA 33-52 G/L; MANTENER 5-20 SEGUNDOS CON UNA DENSIDAD DE CORRIENTE DE 10-25 A/DM; EXTRAER LA LAMINA Y SECARLA.ESTAS LAMINAS TIENEN APLICACIONES PARA LA FABRICACION DE CARROCERIAS DE VEHICULOS.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT47950/83A IT1197609B (it) | 1983-03-21 | 1983-03-21 | Procedimento perfezionato per la produzione di nastri di acciaio rivestiti |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES525740A0 ES525740A0 (es) | 1984-08-01 |
| ES8406573A1 true ES8406573A1 (es) | 1984-08-01 |
Family
ID=11263554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES525740A Expired ES8406573A1 (es) | 1983-03-21 | 1983-09-19 | Procedimiento mejorado para la produccion de laminas de acero revestidas |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US4547268A (es) |
| JP (1) | JPS59173291A (es) |
| AT (1) | AT380494B (es) |
| AU (1) | AU557641B2 (es) |
| BE (1) | BE897810A (es) |
| BR (1) | BR8305918A (es) |
| CA (1) | CA1212074A (es) |
| CH (1) | CH655133A5 (es) |
| DE (1) | DE3329745C2 (es) |
| ES (1) | ES8406573A1 (es) |
| FR (1) | FR2543167B1 (es) |
| GB (1) | GB2136828B (es) |
| GR (1) | GR79343B (es) |
| IL (1) | IL69212A (es) |
| IT (1) | IT1197609B (es) |
| NL (1) | NL8400421A (es) |
| SE (1) | SE457643B (es) |
| YU (1) | YU43192B (es) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0633465B2 (ja) * | 1986-04-26 | 1994-05-02 | 日本パ−カライジング株式会社 | りん酸塩処理した自動車車体の後処理方法 |
| US4861441A (en) * | 1986-08-18 | 1989-08-29 | Nippon Steel Corporation | Method of making a black surface treated steel sheet |
| DE3713300A1 (de) * | 1987-04-18 | 1988-11-03 | Henkel Kgaa | Verfahren zur vorbehandlung verzinkter stahlbleche |
| IT1216808B (it) * | 1987-05-13 | 1990-03-14 | Sviluppo Materiali Spa | Processo di elettrodeposizione in continuo di cromo metallico e di ossido di cromo su superfici metalliche |
| JP2576570B2 (ja) * | 1988-02-27 | 1997-01-29 | 日本鋼管株式会社 | 電解クロメート処理鋼板の前処理方法 |
| JPH0637713B2 (ja) * | 1988-02-27 | 1994-05-18 | 日本鋼管株式会社 | 電解クロメート処理鋼板の製造方法 |
| GB2233347B (en) * | 1989-06-09 | 1994-01-05 | Toyo Kohan Co Ltd | Tin free steel having a chromium bilayer |
| US5525431A (en) * | 1989-12-12 | 1996-06-11 | Nippon Steel Corporation | Zinc-base galvanized sheet steel excellent in press-formability, phosphatability, etc. and process for producing the same |
| US5108554A (en) * | 1990-09-07 | 1992-04-28 | Collis, Inc. | Continuous method for preparing steel parts for resin coating |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3816082A (en) * | 1969-04-21 | 1974-06-11 | Nat Steel Corp | Method of improving the corrosion resistance of zinc coated ferrous metal substrates and the corrosion resistant substrates thus produced |
| ZA711624B (en) * | 1970-03-24 | 1972-04-26 | Broken Hill Pty Co Ltd | Improved coated metal product and process for coating metal surfaces |
| DE3028587A1 (de) * | 1980-07-28 | 1982-03-04 | Teksid S.p.A., Torino | Verfahren zur herstellung eines spezialfeinbleches fuer dauerhafte wagenkarosserien und ein hiernach hergestelltes feinblech |
| JPS6033192B2 (ja) * | 1980-12-24 | 1985-08-01 | 日本鋼管株式会社 | 耐食性、塗料密着性、塗装耐食性のすぐれた複合被覆鋼板 |
-
1983
- 1983-03-21 IT IT47950/83A patent/IT1197609B/it active
- 1983-07-04 CH CH3790/83A patent/CH655133A5/it not_active IP Right Cessation
- 1983-07-06 GR GR71878A patent/GR79343B/el unknown
- 1983-07-12 IL IL69212A patent/IL69212A/xx unknown
- 1983-07-13 GB GB08318962A patent/GB2136828B/en not_active Expired
- 1983-08-17 DE DE3329745A patent/DE3329745C2/de not_active Expired
- 1983-08-29 CA CA000435560A patent/CA1212074A/en not_active Expired
- 1983-08-30 YU YU1775/83A patent/YU43192B/xx unknown
- 1983-09-02 SE SE8304753A patent/SE457643B/sv not_active IP Right Cessation
- 1983-09-19 ES ES525740A patent/ES8406573A1/es not_active Expired
- 1983-09-22 BE BE6/47876A patent/BE897810A/fr not_active IP Right Cessation
- 1983-09-26 FR FR8315237A patent/FR2543167B1/fr not_active Expired
- 1983-10-24 BR BR8305918A patent/BR8305918A/pt not_active IP Right Cessation
- 1983-11-18 AT AT0406683A patent/AT380494B/de not_active IP Right Cessation
-
1984
- 1984-01-11 AU AU23206/84A patent/AU557641B2/en not_active Ceased
- 1984-01-20 JP JP59007443A patent/JPS59173291A/ja active Granted
- 1984-02-09 NL NL8400421A patent/NL8400421A/nl not_active Application Discontinuation
- 1984-02-10 US US06/579,078 patent/US4547268A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| SE457643B (sv) | 1989-01-16 |
| JPH0359152B2 (es) | 1991-09-09 |
| YU43192B (en) | 1989-04-30 |
| SE8304753D0 (sv) | 1983-09-02 |
| US4547268A (en) | 1985-10-15 |
| NL8400421A (nl) | 1984-10-16 |
| GB8318962D0 (en) | 1983-08-17 |
| AU557641B2 (en) | 1986-12-24 |
| AT380494B (de) | 1986-05-26 |
| ES525740A0 (es) | 1984-08-01 |
| YU177583A (en) | 1986-02-28 |
| GR79343B (es) | 1984-10-22 |
| BE897810A (fr) | 1984-01-16 |
| JPS59173291A (ja) | 1984-10-01 |
| DE3329745C2 (de) | 1986-07-31 |
| BR8305918A (pt) | 1984-11-13 |
| AU2320684A (en) | 1984-09-27 |
| GB2136828A (en) | 1984-09-26 |
| CH655133A5 (it) | 1986-03-27 |
| IL69212A (en) | 1987-01-30 |
| FR2543167B1 (fr) | 1987-01-09 |
| IT1197609B (it) | 1988-12-06 |
| SE8304753L (sv) | 1984-09-22 |
| GB2136828B (en) | 1986-03-26 |
| FR2543167A1 (fr) | 1984-09-28 |
| IT8347950A0 (it) | 1983-03-21 |
| ATA406683A (de) | 1985-10-15 |
| IL69212A0 (en) | 1983-11-30 |
| CA1212074A (en) | 1986-09-30 |
| DE3329745A1 (de) | 1984-09-27 |
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| Ashpahani | Approaches to Chromium Conservation in Materials for Chemical Processing Industries |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD1A | Patent lapsed |
Effective date: 19970203 |