ES2050684T3 - Procedimiento para fabricar tubos estirados en duro y resistentes a la corrosion a base de cobre o aleaciones de cobre. - Google Patents
Procedimiento para fabricar tubos estirados en duro y resistentes a la corrosion a base de cobre o aleaciones de cobre.Info
- Publication number
- ES2050684T3 ES2050684T3 ES88114157T ES88114157T ES2050684T3 ES 2050684 T3 ES2050684 T3 ES 2050684T3 ES 88114157 T ES88114157 T ES 88114157T ES 88114157 T ES88114157 T ES 88114157T ES 2050684 T3 ES2050684 T3 ES 2050684T3
- Authority
- ES
- Spain
- Prior art keywords
- copper
- tubes
- procedure
- film
- corrosion
- 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 - Lifetime
Links
- 230000007797 corrosion Effects 0.000 title abstract 5
- 238000005260 corrosion Methods 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 3
- 229910000881 Cu alloy Inorganic materials 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 2
- 229910052799 carbon Inorganic materials 0.000 abstract 2
- 229910052802 copper Inorganic materials 0.000 abstract 2
- 239000010949 copper Substances 0.000 abstract 2
- IHPYMWDTONKSCO-UHFFFAOYSA-N 2,2'-piperazine-1,4-diylbisethanesulfonic acid Chemical compound OS(=O)(=O)CCN1CCN(CCS(O)(=O)=O)CC1 IHPYMWDTONKSCO-UHFFFAOYSA-N 0.000 abstract 1
- 239000007990 PIPES buffer Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/32—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
- B24C3/325—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks for internal surfaces, e.g. of tubes
- B24C3/327—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks for internal surfaces, e.g. of tubes by an axially-moving flow of abrasive particles without passing a blast gun, impeller or the like along the internal surface
Landscapes
- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- Metal Extraction Processes (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Heat Treatment Of Articles (AREA)
- ing And Chemical Polishing (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
- Chemical Treatment Of Metals (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Meat, Egg Or Seafood Products (AREA)
- Processing Of Meat And Fish (AREA)
- Saccharide Compounds (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Cleaning In General (AREA)
Abstract
LOS DAÑOS POR CORROSION, ESPECIALMENTE POR ATAQUE DE CORROSION SUPERFICIAL LOCAL, SURGEN EN TUBERIAS DE COBRE UTILIZADAS EN EL AMBITO SANITARIO HABITUALMENTE POR PELICULA DE CONTENIDO DE CARBONO, PERO TAMBIEN POR PELICULA DE OXIDO. UNA PELICULA DE CARBONO EN LA PARTE INTERNA DE LA TUBERIA SE FORMA POR EJEMPLO EN AGENTES DE EXTRUSIONADO AÑADIDOS AL FUERTE CALENTAMIENTO DEL EXTRUSIONAMIENTO DEL TUBO. PARA EVITAR ESTA PELICULA DAÑINA O PARA MEJORAR LA ESTABILIDAD A LA CORROSION SUPERFICIAL DE TUBOS DUROS DE COBRE O ALEACIONES DE COBRE SE ENGRASAN ANTE TODO LOS TUBOS. EN UN SEGUNDO PASO DEL PROCEDIMIENTO SE TRATA LA SUPERFICIE INTERIOR DEL TUBO CON UN MEDIO DE RADIACION PARA REGULAR UNA ASPEREZA MINIMA. SE PRODUCE UN VALOR MEDIO DE ASPEREZA MINIMA. SE PRODUCE UN VALOR MEDIO DE ASPEREZA DE 0,8 A 1,0 (MU)M COMO ESPECIALMENTE VENTAJOSO. LOS TUBOS ENDURECIDOS TRATADOS CON EL PROCEDIMIENTO SEGUN EL INVENTO MUESTRAN INCLUSO TRAS LA SOLDADURA Y/O DOBLAMIENTO EN CALIENTE NO TENER NINGUNA PELICULA QUEREVELE EL ATAQUE DE CORROSION SUPERFICIAL.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3730367A DE3730367C2 (de) | 1987-09-10 | 1987-09-10 | Verfahren zur Herstellung lochfraßbeständiger hartgezogener Rohre aus Kupfer oder Kupferlegierungen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2050684T3 true ES2050684T3 (es) | 1994-06-01 |
| ES2050684T5 ES2050684T5 (es) | 2000-07-01 |
Family
ID=6335681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES88114157T Expired - Lifetime ES2050684T5 (es) | 1987-09-10 | 1988-08-31 | Procedimiento para fabricar tubos estirados en duro y resistentes a la corrosion a base de cobre o aleaciones de cobre. |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP0306810B2 (es) |
| AT (1) | ATE103225T1 (es) |
| DE (2) | DE3730367C2 (es) |
| DK (2) | DK493288D0 (es) |
| ES (1) | ES2050684T5 (es) |
| FI (1) | FI94496B (es) |
| GR (1) | GR3033568T3 (es) |
| IE (1) | IE63028B1 (es) |
| PL (1) | PL163146B1 (es) |
| PT (1) | PT88473B (es) |
| YU (1) | YU46572B (es) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4417455C2 (de) | 1994-05-19 | 1997-09-25 | Wieland Werke Ag | Verwendung eines korrosionsbeständigen Rohres mit inneren Oxidschichten |
| FI107543B (fi) | 1998-07-30 | 2001-08-31 | Outokumpu Oy | Menetelmä kupariputken valmistamiseksi |
| FI20001467A7 (fi) * | 2000-06-20 | 2001-12-21 | Outokumpu Oy | Menetelmä sisäpuolelta pinnoitettujen kupari- tai kupariseosputkien valmistamiseksi |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2308436A1 (fr) * | 1975-04-25 | 1976-11-19 | Cit Alcatel | Traitement des tubes en cuivre et alliages en vue de l'elimination des produits carbones subsistant a leur surface |
| LU81564A1 (fr) * | 1979-07-31 | 1981-03-24 | Liege Usines Cuivre Zinc | Procede de fabrication de tubes,tubes obtenus par ce procede et leur utilisation dans des condenseurs et des echangeurs de chaleur |
| DE3018036A1 (de) * | 1980-05-10 | 1981-11-12 | Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover | Verfahren von behandlung von kupferrohren |
| IT1160196B (it) * | 1983-02-24 | 1987-03-04 | Dalmine Spa | Procedimento di disossidazione a caldo di tubi metallici semilavorati |
| DE3415376A1 (de) * | 1984-04-25 | 1985-11-07 | Uhlmann, Otto, 3167 Burgdorf | Verfahren und vorrichtung zum entfetten von rohren |
| US4579596A (en) * | 1984-11-01 | 1986-04-01 | Union Carbide Corporation | In-situ removal of oily deposits from the interior surfaces of conduits |
-
1987
- 1987-09-10 DE DE3730367A patent/DE3730367C2/de not_active Expired - Fee Related
-
1988
- 1988-08-31 AT AT88114157T patent/ATE103225T1/de not_active IP Right Cessation
- 1988-08-31 EP EP88114157A patent/EP0306810B2/de not_active Expired - Lifetime
- 1988-08-31 ES ES88114157T patent/ES2050684T5/es not_active Expired - Lifetime
- 1988-08-31 DE DE88114157T patent/DE3888605D1/de not_active Expired - Fee Related
- 1988-09-02 FI FI884071A patent/FI94496B/fi not_active Application Discontinuation
- 1988-09-05 DK DK493288A patent/DK493288D0/da not_active Application Discontinuation
- 1988-09-06 DK DK495488A patent/DK170250B1/da not_active IP Right Cessation
- 1988-09-07 IE IE270788A patent/IE63028B1/en not_active IP Right Cessation
- 1988-09-07 PL PL88274547A patent/PL163146B1/pl not_active IP Right Cessation
- 1988-09-08 YU YU171088A patent/YU46572B/sh unknown
- 1988-09-09 PT PT88473A patent/PT88473B/pt not_active IP Right Cessation
-
2000
- 2000-05-31 GR GR20000401261T patent/GR3033568T3/el not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0306810B2 (de) | 2000-03-29 |
| FI884071L (fi) | 1989-03-11 |
| FI94496B (fi) | 1995-06-15 |
| IE63028B1 (en) | 1995-03-22 |
| EP0306810B1 (de) | 1994-03-23 |
| YU171088A (en) | 1990-04-30 |
| DK170250B1 (da) | 1995-07-17 |
| GR3033568T3 (en) | 2000-09-29 |
| DE3730367A1 (de) | 1989-03-23 |
| FI884071A0 (fi) | 1988-09-02 |
| PT88473B (pt) | 1992-11-30 |
| PT88473A (pt) | 1988-10-01 |
| DK495488A (da) | 1989-03-11 |
| DE3888605D1 (de) | 1994-04-28 |
| YU46572B (sh) | 1993-11-16 |
| IE882707L (en) | 1989-03-10 |
| DE3730367C2 (de) | 1997-10-09 |
| EP0306810A2 (de) | 1989-03-15 |
| EP0306810A3 (en) | 1990-05-30 |
| DK495488D0 (da) | 1988-09-06 |
| PL274547A1 (en) | 1989-05-02 |
| DK493288D0 (da) | 1988-09-05 |
| PL163146B1 (pl) | 1994-02-28 |
| ATE103225T1 (de) | 1994-04-15 |
| ES2050684T5 (es) | 2000-07-01 |
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