EP1484420B1 - Verwendung eines gewalzten oder stranggepressten Produkts aus Aluminium-Legierung mit hoher Korrosionbeständigkeit - Google Patents

Verwendung eines gewalzten oder stranggepressten Produkts aus Aluminium-Legierung mit hoher Korrosionbeständigkeit Download PDF

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Publication number
EP1484420B1
EP1484420B1 EP04356087A EP04356087A EP1484420B1 EP 1484420 B1 EP1484420 B1 EP 1484420B1 EP 04356087 A EP04356087 A EP 04356087A EP 04356087 A EP04356087 A EP 04356087A EP 1484420 B1 EP1484420 B1 EP 1484420B1
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EP
European Patent Office
Prior art keywords
alloy
rolled
corrosion resistance
content
aluminium alloy
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.)
Not-in-force
Application number
EP04356087A
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English (en)
French (fr)
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EP1484420A1 (de
Inventor
Sylvain Henry
Gilbert Gutmann
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.)
Constellium Issoire SAS
Original Assignee
Alcan Rhenalu SAS
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Publication date
Application filed by Alcan Rhenalu SAS filed Critical Alcan Rhenalu SAS
Publication of EP1484420A1 publication Critical patent/EP1484420A1/de
Application granted granted Critical
Publication of EP1484420B1 publication Critical patent/EP1484420B1/de
Anticipated expiration legal-status Critical
Not-in-force legal-status Critical Current

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Classifications

    • 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
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/02—Alloys based on aluminium with silicon as the next major constituent

Definitions

  • the invention relates to the use of laminated or spun aluminum alloy products of the 4000 series having both good mechanical strength and good resistance to corrosion.
  • Aluminum alloys containing silicon as the main alloying element are widely used for the manufacture of molded parts. On the other hand, they are rarely used in the form of rolled or spun products. Uses in the form of rods or profiles are related to the good resistance to wear and temperature of high silicon alloys, and mainly concern the manufacture of mechanical parts such as connecting rods, transmission shafts, bearings and engine and compressor components.
  • the alloy of the document JP-A-9-256095 is used for the manufacture of automotive components.
  • the document JP-A-2000-303134 discloses an alloy consisting of, in weight percent: 1.5-5% Si, 0.2-1% Mg, 0.05-1% Mn, 0.2-1.2% Fe, 0.1-1, 5% Zn, 0.1-2.0% Cu, 0.01-0.1% Cr, 0.005-0.1% Ti, remains Al with the inevitable impurities.
  • the alloy of the document JP-A-2000-303134 is used for the manufacture of engine components or machine parts.
  • the invention which is defined in claim 1 relates to the use of a rolled product or spun aluminum alloy composition (% by weight): If: 1.2 - 2.2 Fe ⁇ 1.5 Cu: 0.2 - 0.8 Mn: 0.6 - 1.5 Mg ⁇ 0.20 Zn ⁇ 0.5
  • Ti ⁇ 0.10 remains inevitable aluminum and impurities, for the manufacture of parts having both good mechanical strength and good resistance to corrosion, exposed to the atmosphere without protection, that is to say for panels insulation or components for building and signaling.
  • the Si content is between 1.4 and 2%, the copper content between 0.3 and 0.5%, the manganese content between 0.9 and 1.2%, the lower iron content. 0.7% and the magnesium content less than 0.15%.
  • the products according to the invention are distinguished from 4015 alloy products by a higher copper content and a lower magnesium content.
  • a controlled copper content of between 0.2 and 0.8%, and preferably between 0.3 and 0.5%, leads to an improvement in corrosion resistance, be it pitting corrosion or filiform corrosion.
  • This corrosion resistance is also favored by a low magnesium content of less than 0.20%, and preferably of 0.15%.
  • the decrease in mechanical strength resulting from the reduction of the magnesium content is more than offset by the increase in the copper content, so that the mechanical strength is higher than for similar products in 4015.
  • the products according to the invention have, in the naked state, a resistance to corrosion, measured by the puncture depth in the Sea Water Acetic Acid Test (SWAAT) according to the ASTM G85 standard, which is much better than that of the alloy 4015. They can therefore be used in industrial environments, for example to insulation panels for cables or pipes in workshops, signage and the building.
  • SWAAT Sea Water Acetic Acid Test
  • Sheet samples were prepared whose thickness (in mm) and chemical composition (in% by weight) are shown in Table 1: Table 1 Alloy e (mm) Yes Fe Cu mn mg AT 1.0 1.61 0.30 0.38 1.05 0.15 B 1.45 1.61 0.30 0.38 1.05 0.15 VS 1.0 1.60 0.58 0.15 1.09 0.28 D 1.45 1.55 0.50 0.17 1.06 0.28 E 1.45 1.59 0.59 0.13 1.16 0.33
  • the alloys A and B are according to the invention, the alloys C to E are alloys 4015.
  • the manufacturing range is conventional, and comprises a casting of plates, a hot rolling, a cold rolling, and a final work hardening. the state H12.
  • the breaking strength R m (in MPa) the conventional yield strength at 0.2% R 0.2 (in MPa) and the elongation A 50 (in%) were measured. according to standard NF EN 10002-1 relating to tensile tests on metallic materials. The results are shown in Table 2: Table 2 Sample rm R 0.2 A 50 AT 176 168 3.2 VS 160 155 4.8
  • alloy sheet A according to the invention has a better mechanical strength than the sheet of the same thickness of alloy C. which contains less copper but more magnesium.
  • the depths of the pits were measured on the sheets using the SWAAT test, taking into account 5 stitches per sample, and averaging, for 3 samples of the same sheet, maximum depths and mean depths (in ⁇ m). The results are shown in Table 3 / Table 3 Alloy Maximum depth Average depth AT 230 196 B 250 189 VS 660 464 D 700 535 E 730 502

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Conductive Materials (AREA)
  • Laminated Bodies (AREA)
  • Extrusion Of Metal (AREA)
  • Metal Rolling (AREA)

Claims (5)

  1. Verwendung eines für der Atmosphäre ausgesetzte Dämmplatten oder Bauteile für Gebäude und Signalisation bestimmten Walz- oder Strangpresserzeugnisses aus Aluminiumlegierung der Zusammensetzung (Gew.-%):
    Si : 1,2 - 2,2 Fe < 1,5 Cu : 0,2 - 0,8 Mn : 0,6 - 1,5 Mg < 0,20 Zn < 0,5 Ti < 0,10, Rest Aluminium und unvermeidbare Verunreinigungen.
  2. Verwendung nach Anspruch 1, dadurch gekennzeichnet, dass der Siliziumgehalt der Legierung zwischen 1,4 und 2 % liegt.
  3. Verwendung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass der Kupfergehalt der Legierung zwischen 0,3 und 0,5 % liegt.
  4. Verwendung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Mangangehalt der Legierung zwischen 0,9 und 1,2 % liegt.
  5. Verwendung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Magnesiumgehalt der Legierung unter 0,15 % liegt.
EP04356087A 2003-06-05 2004-06-03 Verwendung eines gewalzten oder stranggepressten Produkts aus Aluminium-Legierung mit hoher Korrosionbeständigkeit Not-in-force EP1484420B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0306783 2003-06-05
FR0306783A FR2855833B1 (fr) 2003-06-05 2003-06-05 Produit lamine ou file en alliage d'aluminium a bonne resistance a la corrosion

Publications (2)

Publication Number Publication Date
EP1484420A1 EP1484420A1 (de) 2004-12-08
EP1484420B1 true EP1484420B1 (de) 2010-06-02

Family

ID=33155655

Family Applications (2)

Application Number Title Priority Date Filing Date
EP04356088A Not-in-force EP1484421B1 (de) 2003-06-05 2004-06-03 Verwendung eines gewalzten oder stranggepressten Produkts aus Aluminium-Legierung mit einer guten Korrosionsbeständigkeit
EP04356087A Not-in-force EP1484420B1 (de) 2003-06-05 2004-06-03 Verwendung eines gewalzten oder stranggepressten Produkts aus Aluminium-Legierung mit hoher Korrosionbeständigkeit

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP04356088A Not-in-force EP1484421B1 (de) 2003-06-05 2004-06-03 Verwendung eines gewalzten oder stranggepressten Produkts aus Aluminium-Legierung mit einer guten Korrosionsbeständigkeit

Country Status (4)

Country Link
EP (2) EP1484421B1 (de)
AT (2) ATE425273T1 (de)
DE (2) DE602004019840D1 (de)
FR (1) FR2855833B1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007033827A1 (de) * 2007-07-18 2009-01-22 Technische Universität Clausthal Aluminium-Gusslegierung und deren Verwendung
CN102548751B (zh) * 2009-10-08 2015-03-25 阿莱利斯铝业迪弗尔私人有限公司 具有铝合金芯管的多层管
CN106661679A (zh) * 2014-07-04 2017-05-10 爱励轧制产品德国有限责任公司 用于建筑工业的铝合金
CN111575513A (zh) * 2020-06-12 2020-08-25 包头常铝北方铝业有限责任公司 一种铝合金带材及其制备方法和中空玻璃用铝隔条
CN112746199B (zh) * 2020-12-16 2022-05-31 银邦金属复合材料股份有限公司 百叶窗用铝合金及其制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63216939A (ja) * 1987-03-03 1988-09-09 Kobe Steel Ltd ろう付用高強度高耐食性アルミニウム合金複合材
FR2617188B1 (fr) * 1987-06-23 1989-10-20 Cegedur Alliage a base d'al pour boitage et procede d'obtention
JPH0456095A (ja) * 1990-06-22 1992-02-24 Arco Ind Kk ３相交流アーク炉における大電流導体の配設方式
JPH0516577A (ja) * 1991-07-08 1993-01-26 Dainippon Printing Co Ltd 反復印字可能なカードの利用方法
JP2925884B2 (ja) * 1993-03-19 1999-07-28 川崎製鉄株式会社 加熱硬化性に優れたＡｌ−Ｍｇ−Ｓｉ系合金板材の製造方法
JPH08218143A (ja) * 1995-02-14 1996-08-27 Furukawa Electric Co Ltd:The 熱交換器コネクタ用アルミニウム合金押出材及びその製造方法
JPH09256095A (ja) * 1996-03-22 1997-09-30 Furukawa Electric Co Ltd:The 成形性に優れたアルミニウム合金板およびその製造方法
JPH09316577A (ja) * 1996-05-30 1997-12-09 Furukawa Electric Co Ltd:The 熱交換器の冷媒通路部材用ブレージングシート
JP4063388B2 (ja) * 1998-02-20 2008-03-19 株式会社神戸製鋼所 表面性状に優れた成形加工用Ａｌ−Ｍｇ−Ｓｉ系アルミニウム合金板及びその製造方法
JP3332885B2 (ja) * 1999-04-20 2002-10-07 古河電気工業株式会社 セミソリッド加工用アルミニウム基合金及びその加工部材の製造方法

Also Published As

Publication number Publication date
FR2855833B1 (fr) 2007-03-16
DE602004019840D1 (de) 2009-04-23
EP1484420A1 (de) 2004-12-08
EP1484421B1 (de) 2009-03-11
FR2855833A1 (fr) 2004-12-10
ATE425273T1 (de) 2009-03-15
ATE469990T1 (de) 2010-06-15
EP1484421A1 (de) 2004-12-08
DE602004027443D1 (de) 2010-07-15

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