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WO2001066812A3 - Aluminum alloys having high corrosion resistance after brazing - Google Patents

Aluminum alloys having high corrosion resistance after brazing Download PDF

Info

Publication number
WO2001066812A3
WO2001066812A3 PCT/CA2001/000276 CA0100276W WO0166812A3 WO 2001066812 A3 WO2001066812 A3 WO 2001066812A3 CA 0100276 W CA0100276 W CA 0100276W WO 0166812 A3 WO0166812 A3 WO 0166812A3
Authority
WO
WIPO (PCT)
Prior art keywords
weight
alloy
nickel
corrosion resistance
zinc
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.)
Ceased
Application number
PCT/CA2001/000276
Other languages
French (fr)
Other versions
WO2001066812A2 (en
Inventor
Pierre Henri Marois
Nicholas Parson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rio Tinto Alcan International Ltd
Original Assignee
Alcan International Ltd Canada
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alcan International Ltd Canada filed Critical Alcan International Ltd Canada
Priority to AU2001239054A priority Critical patent/AU2001239054A1/en
Priority to US10/204,428 priority patent/US6939417B2/en
Publication of WO2001066812A2 publication Critical patent/WO2001066812A2/en
Publication of WO2001066812A3 publication Critical patent/WO2001066812A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081—Heat exchange elements made from metals or metal alloys
    • F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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, rods or tubes
    • B21C23/085—Making tubes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • 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
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium 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)
  • General Engineering & Computer Science (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Extrusion Of Metal (AREA)

Abstract

When using AA3000 series and AA1000 series aluminum alloys to produce extruded products for heat exchanger applications, by controlling the level of copper and nickel in the alloy to very low levels it is possible to produce excellent corrosion resistance both before and after a brazing cycle. To achieve these results, the copper content should be no more than 0.006% by weight and the nickel no more than 0.005% by weight. A typical alloy of the invention contains about 0.001 - 0.5% by weight manganese, 0.001 - 0.7% by weight iron, 0.001-0.02% by weight titanium, 0.001 - 0.3% by weight silicon, less than 0.006% by weight copper, less than 0.005% by weight nickel and 0.001-0.02% by weight zinc, with the balance consisting of aluminum and incidental impurities. No zinc addition to the alloy is required either by zinc spraying or by alloy addition.
PCT/CA2001/000276 2000-03-08 2001-03-06 Aluminum alloys having high corrosion resistance after brazing Ceased WO2001066812A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2001239054A AU2001239054A1 (en) 2000-03-08 2001-03-06 Aluminum alloys having high corrosion resistance after brazing
US10/204,428 US6939417B2 (en) 2000-03-08 2001-03-06 Aluminum alloys having high corrosion resistance after brazing

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US18783500P 2000-03-08 2000-03-08
US60/187,835 2000-03-08

Publications (2)

Publication Number Publication Date
WO2001066812A2 WO2001066812A2 (en) 2001-09-13
WO2001066812A3 true WO2001066812A3 (en) 2002-01-03

Family

ID=22690661

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2001/000276 Ceased WO2001066812A2 (en) 2000-03-08 2001-03-06 Aluminum alloys having high corrosion resistance after brazing

Country Status (2)

Country Link
AU (1) AU2001239054A1 (en)
WO (1) WO2001066812A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003289789B2 (en) 2002-12-23 2009-03-19 Alcan International Limited Aluminum alloy tube and fin assembly for heat exchangers having improved corrosion resistance after brazing
KR20050085891A (en) * 2002-12-27 2005-08-29 쇼와 덴코 가부시키가이샤 Aluminum pipe and process for producing same
US8313590B2 (en) * 2009-12-03 2012-11-20 Rio Tinto Alcan International Limited High strength aluminium alloy extrusion
EP2514555A1 (en) * 2011-04-21 2012-10-24 Aleris Aluminum Koblenz GmbH Extruded aluminium alloy tube product
CN115014117B (en) * 2022-06-20 2025-05-02 乳源东阳光优艾希杰精箔有限公司 A high corrosion resistance header material and its preparation method and application

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991014794A1 (en) * 1990-03-27 1991-10-03 Alcan International Limited Improved aluminum alloy
US5286316A (en) * 1992-04-03 1994-02-15 Reynolds Metals Company High extrudability, high corrosion resistant aluminum-manganese-titanium type aluminum alloy and process for producing same
EP0665298A1 (en) * 1993-12-17 1995-08-02 Ford Motor Company Extrudable corrosion resistant aluminium alloy
US5906689A (en) * 1996-06-06 1999-05-25 Reynolds Metals Company Corrosion resistant aluminum alloy
US5976278A (en) * 1997-10-03 1999-11-02 Reynolds Metals Company Corrosion resistant, drawable and bendable aluminum alloy, process of making aluminum alloy article and article
JP2000063970A (en) * 1998-08-21 2000-02-29 Nippon Light Metal Co Ltd Extruded tube for heat exchanger made of aluminum alloy
JP2000119784A (en) * 1998-10-08 2000-04-25 Sumitomo Light Metal Ind Ltd Aluminum alloy material excellent in high temperature creep characteristics and method for producing the same

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991014794A1 (en) * 1990-03-27 1991-10-03 Alcan International Limited Improved aluminum alloy
US5286316A (en) * 1992-04-03 1994-02-15 Reynolds Metals Company High extrudability, high corrosion resistant aluminum-manganese-titanium type aluminum alloy and process for producing same
EP0665298A1 (en) * 1993-12-17 1995-08-02 Ford Motor Company Extrudable corrosion resistant aluminium alloy
US5906689A (en) * 1996-06-06 1999-05-25 Reynolds Metals Company Corrosion resistant aluminum alloy
US5976278A (en) * 1997-10-03 1999-11-02 Reynolds Metals Company Corrosion resistant, drawable and bendable aluminum alloy, process of making aluminum alloy article and article
JP2000063970A (en) * 1998-08-21 2000-02-29 Nippon Light Metal Co Ltd Extruded tube for heat exchanger made of aluminum alloy
JP2000119784A (en) * 1998-10-08 2000-04-25 Sumitomo Light Metal Ind Ltd Aluminum alloy material excellent in high temperature creep characteristics and method for producing the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HUFNAGEL W: "Key to Aluminium Alloys, 4th Edition", 1992, ALUMINIUM-SCHLUESSEL = KEY TO ALUMINIUM ALLOYS, XX, XX, PAGE(S) 195,197, XP002176784 *

Also Published As

Publication number Publication date
AU2001239054A1 (en) 2001-09-17
WO2001066812A2 (en) 2001-09-13

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