PL2027947T3 - Method for the production of alloy pipes for heat exchangers using precipitation hardening through underwater extrusion - Google Patents
Method for the production of alloy pipes for heat exchangers using precipitation hardening through underwater extrusionInfo
- Publication number
- PL2027947T3 PL2027947T3 PL07425533T PL07425533T PL2027947T3 PL 2027947 T3 PL2027947 T3 PL 2027947T3 PL 07425533 T PL07425533 T PL 07425533T PL 07425533 T PL07425533 T PL 07425533T PL 2027947 T3 PL2027947 T3 PL 2027947T3
- Authority
- PL
- Poland
- Prior art keywords
- pipe
- production
- subjecting
- blank
- hardening
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, bars, tubes
- B21C23/085—Making tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Extrusion Of Metal (AREA)
Abstract
Production method for heat exchanger pipes comprising the following stages:
a) production of a billet in an alloy suitable for hardening through precipitation;
b) direct hot extrusion under hydrostatic head in a water bath, of the billet previously heated to a temperature equal to or higher than the solution heat treatment of the alloy, in order to construct an extruded pipe blank of a pre-determined size;
c) cold rolling of the extruded pipe blank to obtain a rolled blank having a reduced transversal measurement and consequently having an increased length;
d) subjecting the rolled blank to a straight drawing process to obtain a semi-finished pipe;
e) subjecting the semi-finished pipe to spinner drawing to reduce the transversal measurement and consequently, to obtain a pipe having its definitive size;
f) subjecting the pipe to annealing in a tunnel furnace in a manner to determine the hardening of the pipe through precipitation.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07425533A EP2027947B1 (en) | 2007-08-14 | 2007-08-14 | Method for the production of alloy pipes for heat exchangers using precipitation hardening through underwater extrusion |
Publications (1)
Publication Number | Publication Date |
---|---|
PL2027947T3 true PL2027947T3 (en) | 2011-09-30 |
Family
ID=38805774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL07425533T PL2027947T3 (en) | 2007-08-14 | 2007-08-14 | Method for the production of alloy pipes for heat exchangers using precipitation hardening through underwater extrusion |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2027947B1 (en) |
AT (1) | ATE504366T1 (en) |
DE (1) | DE602007013750D1 (en) |
ES (1) | ES2366979T3 (en) |
PL (1) | PL2027947T3 (en) |
PT (1) | PT2027947E (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101961730A (en) * | 2010-09-27 | 2011-02-02 | 苏州奕欣特钢管业有限公司 | Method for making steel tube |
CN102581061B (en) * | 2012-03-09 | 2015-04-15 | 泉州中宇卫浴科技实业有限公司 | Production method for seamless brass pipe |
CN102699103A (en) * | 2012-06-11 | 2012-10-03 | 常熟市旋力轴承钢管有限公司 | Preparation method of 20CrMo steel pipe |
CN103567253B (en) * | 2012-07-19 | 2015-09-02 | 常州市武进长虹结晶器有限公司 | The manufacture craft of major diameter copper pipe |
FR2995383B1 (en) | 2012-09-12 | 2015-04-10 | Kme France Sas | COPPER ALLOYS FOR HEAT EXCHANGERS |
CN102974645B (en) * | 2012-11-16 | 2015-05-13 | 宝鸡市鼎裕钛业有限公司 | High-accuracy TA18 titanium alloy pipe preparation method |
CN102974646B (en) * | 2012-12-20 | 2015-02-04 | 西南铝业(集团)有限责任公司 | Manufacturing process of aluminum alloy water-drop-shaped thin-wall tubular material |
JP6360363B2 (en) * | 2014-06-18 | 2018-07-18 | 株式会社Uacj | Copper alloy tube |
CN105195547A (en) * | 2015-09-07 | 2015-12-30 | 闫建平 | Production method of small-batch cold-drawn profiled bars |
CN114525461B (en) * | 2022-01-19 | 2023-03-14 | 江西铜业技术研究院有限公司 | Method for preparing fine-grain KFC strip and fine-grain KFC strip |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2817261A1 (en) * | 1977-05-09 | 1978-11-23 | Alusuisse | Aluminium-silicon-magnesium alloy - for prodn. of seamless tubes |
JPS5997714A (en) * | 1982-11-27 | 1984-06-05 | Kobe Steel Ltd | High temperature hot hydrostatic extruding method of brass pipe |
US6248189B1 (en) * | 1998-12-09 | 2001-06-19 | Kaiser Aluminum & Chemical Corporation | Aluminum alloy useful for driveshaft assemblies and method of manufacturing extruded tube of such alloy |
JP2004292917A (en) * | 2003-03-27 | 2004-10-21 | Kobe Steel Ltd | Method of producing copper alloy smooth tube for heat exchanger, and method of producing copper alloy internally grooved tube for heat exchanger |
-
2007
- 2007-08-14 PL PL07425533T patent/PL2027947T3/en unknown
- 2007-08-14 DE DE602007013750T patent/DE602007013750D1/en active Active
- 2007-08-14 PT PT07425533T patent/PT2027947E/en unknown
- 2007-08-14 ES ES07425533T patent/ES2366979T3/en active Active
- 2007-08-14 AT AT07425533T patent/ATE504366T1/en not_active IP Right Cessation
- 2007-08-14 EP EP07425533A patent/EP2027947B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
ATE504366T1 (en) | 2011-04-15 |
EP2027947A1 (en) | 2009-02-25 |
EP2027947B1 (en) | 2011-04-06 |
DE602007013750D1 (en) | 2011-05-19 |
ES2366979T3 (en) | 2011-10-27 |
PT2027947E (en) | 2011-07-12 |
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