IE892217L - Internally oxidized pipes - Google Patents
Internally oxidized pipesInfo
- Publication number
- IE892217L IE892217L IE892217A IE221789A IE892217L IE 892217 L IE892217 L IE 892217L IE 892217 A IE892217 A IE 892217A IE 221789 A IE221789 A IE 221789A IE 892217 L IE892217 L IE 892217L
- Authority
- IE
- Ireland
- Prior art keywords
- copper
- tubes
- oxide
- pitting
- oxide layer
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F15/00—Other methods of preventing corrosion or incrustation
-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/10—Oxidising
- C23C8/12—Oxidising using elemental oxygen or ozone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/02—Rigid pipes of metal
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heat Treatment Of Articles (AREA)
- Metal Extraction Processes (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Materials For Medical Uses (AREA)
- Chemical Treatment Of Metals (AREA)
- Laminated Bodies (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Corrosion damage to tubes made of copper or copper alloys by local pitting is usually triggered by the residues of drawing oil located on the inner surface and/or by oxide layers of poor adhesion. To achieve an especially high resistance of internally oxidised tubes to pitting or to prevent an uneven formation or detachment of the oxides located on the inner surface, according to the invention the thickness of the copper-oxide layer adhering to the basic metal is limited to values of between 0.01 and 0.2 mu m. Preferably, the copper-oxide crystals have a maximum grain size of 0.5 mu m and possess an oriented structure. The good adhesion of the copper-oxide layer formed on the inner surface of the tube preferably by continuous annealing is preserved even when the tubes have been subjected to a machining reducing their cross-section, for example by bending or drawing.
[EP0356732A1]
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3827353A DE3827353A1 (en) | 1988-08-12 | 1988-08-12 | INTERNAL OXIDIZED TUBES |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE892217L true IE892217L (en) | 1990-02-12 |
| IE61097B1 IE61097B1 (en) | 1994-09-21 |
Family
ID=6360685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE221789A IE61097B1 (en) | 1988-08-12 | 1989-07-10 | Internally oxidized pipes |
Country Status (28)
| Country | Link |
|---|---|
| EP (1) | EP0356732B1 (en) |
| JP (1) | JP2895095B2 (en) |
| KR (1) | KR940010772B1 (en) |
| AR (1) | AR247013A1 (en) |
| AT (1) | ATE76175T1 (en) |
| CA (1) | CA1324584C (en) |
| CZ (1) | CZ280990B6 (en) |
| DD (1) | DD284078A5 (en) |
| DE (2) | DE3827353A1 (en) |
| DK (1) | DK169750B1 (en) |
| DZ (1) | DZ1349A1 (en) |
| ES (1) | ES2036763T3 (en) |
| FI (1) | FI90136C (en) |
| GR (1) | GR3004809T3 (en) |
| HU (1) | HU214381B (en) |
| IE (1) | IE61097B1 (en) |
| IL (1) | IL91145A (en) |
| MA (1) | MA21591A1 (en) |
| MX (1) | MX173263B (en) |
| NO (1) | NO177688C (en) |
| PL (1) | PL161517B1 (en) |
| PT (1) | PT91428B (en) |
| RO (1) | RO109463B1 (en) |
| SK (1) | SK278911B6 (en) |
| SU (1) | SU1716974A3 (en) |
| TN (1) | TNSN89088A1 (en) |
| YU (1) | YU46649B (en) |
| ZA (1) | ZA896043B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3155365B2 (en) * | 1992-08-10 | 2001-04-09 | 日本ケーブル・システム株式会社 | Accelerator operation device |
| DE4417455C2 (en) * | 1994-05-19 | 1997-09-25 | Wieland Werke Ag | Use of a corrosion-resistant tube with inner oxide layers |
| DE19819925A1 (en) * | 1998-05-05 | 1999-11-11 | Km Europa Metal Ag | Process for creating a protective layer on the inner surface of a copper pipe |
| FI107543B (en) * | 1998-07-30 | 2001-08-31 | Outokumpu Oy | A method for making a copper tube |
| US6293336B1 (en) | 1999-06-18 | 2001-09-25 | Elkay Manufacturing Company | Process and apparatus for use with copper containing components providing low copper concentrations portable water |
| KR100466182B1 (en) * | 2002-09-16 | 2005-01-13 | 허봉락 | Anti-shocking member |
| FI120359B (en) * | 2002-12-18 | 2009-09-30 | Cupori Group Oy | Method and apparatus for treating an inner surface of a copper or copper alloy tube |
| DE102007055446A1 (en) * | 2007-11-12 | 2009-05-14 | Hansgrohe Ag | Provision of water-bearing components from brass alloys with reduced metal ion release |
| JP7181860B2 (en) * | 2017-05-12 | 2022-12-01 | 株式会社クラレ | Polishing layer containing polyurethane, method for modifying polishing layer, polishing pad, and polishing method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU80891A1 (en) * | 1979-02-07 | 1980-09-24 | Liege Usines Cuivre Zinc | SANITARY TUBES OF PHOSPHORUEX COPPER OR CORROSION-RESISTANT PHOSPHORUS COPPER ALLOYS AND PROCESS FOR THEIR PRODUCTION |
| DE3003228C2 (en) * | 1980-01-30 | 1981-11-26 | Wieland-Werke Ag, 7900 Ulm | Process for improving the corrosion resistance of installation pipes made of copper |
| LU83165A1 (en) * | 1981-02-25 | 1982-09-10 | Liege Usines Cuivre Zinc | TUBES FOR CONDENSERS OR HEAT EXCHANGERS OF CORROSION RESISTANT COPPER ALLOYS AND METHOD FOR THE PRODUCTION THEREOF |
| DE3760510D1 (en) * | 1987-03-07 | 1989-10-05 | Wieland Werke Ag | Process for improving the corrosion resistance of hard or semi-hard copper fitting tubes |
-
1988
- 1988-08-12 DE DE3827353A patent/DE3827353A1/en not_active Withdrawn
-
1989
- 1989-06-08 YU YU118689A patent/YU46649B/en unknown
- 1989-06-12 AR AR89314134A patent/AR247013A1/en active
- 1989-07-07 JP JP1174308A patent/JP2895095B2/en not_active Expired - Fee Related
- 1989-07-07 MA MA21840A patent/MA21591A1/en unknown
- 1989-07-10 DZ DZ890108A patent/DZ1349A1/en active
- 1989-07-10 SK SK4206-89A patent/SK278911B6/en unknown
- 1989-07-10 CZ CS894206A patent/CZ280990B6/en not_active IP Right Cessation
- 1989-07-10 IE IE221789A patent/IE61097B1/en not_active IP Right Cessation
- 1989-07-19 PL PL89280658A patent/PL161517B1/en unknown
- 1989-07-26 SU SU894614651A patent/SU1716974A3/en active
- 1989-07-28 IL IL9114589A patent/IL91145A/en unknown
- 1989-07-31 AT AT89114082T patent/ATE76175T1/en not_active IP Right Cessation
- 1989-07-31 EP EP89114082A patent/EP0356732B1/en not_active Expired - Lifetime
- 1989-07-31 ES ES198989114082T patent/ES2036763T3/en not_active Expired - Lifetime
- 1989-07-31 DE DE8989114082T patent/DE58901399D1/en not_active Expired - Lifetime
- 1989-08-01 MX MX017016A patent/MX173263B/en unknown
- 1989-08-05 RO RO141139A patent/RO109463B1/en unknown
- 1989-08-08 ZA ZA896043A patent/ZA896043B/en unknown
- 1989-08-08 DK DK388089A patent/DK169750B1/en not_active IP Right Cessation
- 1989-08-10 PT PT91428A patent/PT91428B/en not_active IP Right Cessation
- 1989-08-10 DD DD89331673A patent/DD284078A5/en not_active IP Right Cessation
- 1989-08-10 FI FI893785A patent/FI90136C/en active IP Right Grant
- 1989-08-10 TN TNTNSN89088A patent/TNSN89088A1/en unknown
- 1989-08-11 CA CA000608090A patent/CA1324584C/en not_active Expired - Lifetime
- 1989-08-11 NO NO893246A patent/NO177688C/en not_active IP Right Cessation
- 1989-08-11 HU HU894154A patent/HU214381B/en unknown
- 1989-08-12 KR KR1019890011597A patent/KR940010772B1/en not_active IP Right Cessation
-
1992
- 1992-06-04 GR GR920401153T patent/GR3004809T3/el unknown
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Patent lapsed |