US3842185A - Aluminium alloy conductor wire - Google Patents

Aluminium alloy conductor wire Download PDF

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Publication number
US3842185A
US3842185A US00420592A US42059273A US3842185A US 3842185 A US3842185 A US 3842185A US 00420592 A US00420592 A US 00420592A US 42059273 A US42059273 A US 42059273A US 3842185 A US3842185 A US 3842185A
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US
United States
Prior art keywords
weight percent
conductor
aluminium alloy
aluminium
iron
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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
Application number
US00420592A
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English (en)
Inventor
P Raw
R Llewellyn
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.)
Balfour Beatty PLC
Original Assignee
BICC PLC
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Filing date
Publication date
Application filed by BICC PLC filed Critical BICC PLC
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Publication of US3842185A publication Critical patent/US3842185A/en
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    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H01B1/023—Alloys based on aluminium
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
    • H01B5/08—Several wires or the like stranded in the form of a rope
    • H01B5/10—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material
    • H01B5/102—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material stranded around a high tensile strength core
    • H01B5/104—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material stranded around a high tensile strength core composed of metallic wires, e.g. steel wires
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/0009—Details relating to the conductive cores

Definitions

  • An aluminium alloy conductor wire consists of between 98.0 and 99.5 weight percent aluminium, between 0.3 and 1.0 (preferably 0.4 to 0.6) weight percent iron, between 0.08 and 1.0 (preferably 0.2 to 0.4) weight percent copper, a maximum of 0.15 (preferably 0.05 to 0.08) weight percent silicon, and trace quantities of conventional impurities.
  • the conductor wire is especially suitable for use as a conductor of a telecommunication cable or as a component element of an overhead electric conductor.
  • our improved conductor wire is composed of an aluminium alloy consisting of betwen 98.0 and 99.5 weight percent aluminium, between 0.3 and 1.0 weight percent iron; between 0.08 and 1.0 weight percent copper; at maximum of 0.15 weight percent silicon; and trace quantities of conventional impurities.
  • the copper content of the aluminium alloy preferably lies in the range 0.2 to 0.4 weight percent.
  • the iron content lies in the range 0.40 to 0.60 weight percent and the silicon content lies in the range 0.05 to 0.08 weight percent.
  • a conductor wire in accordance with the present in-v vention has significantly improved tensile strength as compared with that of conductor wires of the same diameter of known aluminium alloys containing similar quantities of iron but only a trace quantity of copper and the improved tensile properties of our improved conductor wire are illustrated by the following results achieved with a conductor wire of a known aluminium alloy (Alloy A) having a diameter of 0.5 mm and with conductor wire in accordance with the present invention (Alloys B, C, D and E) of the same diameter, as
  • conductor wires of the present invention show a slight loss in electrical conductivity as compared with a conductor wire of a known aluminium alloy containing a similar quantity of iron and only a trace quantity of copper, i.e., approximately 0.001 weight percent
  • the improvement in tensile strength for a given elongation renders our im proved conductor wires especially suitable for use in telephone cables and in other cables where a high tcnsile strength is desirable and a high electrical conductivity is not of primary importance.
  • conductor wires in accordance with the present invention especially those of an aluminium alloy having a copper content in an upper region of the quoted range, display relatively high tensile strength even in the fully annealed condition.
  • unannealed conductor wires of the present invention are especially suitable for use in overhead electric conductors where tensile strength is a primary consideration.
  • the conductor wire of the present invention may be prepared by any of the known processes for preparing aluminium alloy wire but we prefer to prepare our improved conductor wire by continuously casting a bar of our aluminium alloy and immediately rolling the bar down to rod form, subsequently drawing the rod to the required wire size and finally annealing the wire.
  • the invention also includes an electric insulated wire comprising a conductor wire as hereinbefore defined provided with at least one covering layer of insulating material, for instance an extruded layerof plastics insulating material, and the invention further includes an electric cable comprising at least one insulated conductor comprising a plurality of conductor wires as hereinbefore defined and, enclosing the insulated conductor or conductors, an outer protective sheath.
  • the invention further includes a telecommunication cable comprising a multiplicity of insulated conductors, each conductor comprising a conductor wire as hereinbefore defined.
  • the conductors may be insulated with solid or cellular plastics material and the interstices between the insulated conductors and between them and a surrounding water-proof sheath from end to end of the cable length may be filled with a waterimpermeable medium of a grease-like nature.
  • the invention still further includes an overhead electric conductor comprising at least one'conductor wire as hereinbefore defined.
  • FIG. 1 is a cross-sectional end view of the telecommunication cable
  • FIG. 2 is a cross-sectional'end view of the overhead electric conductor.
  • the telecommunication cableshown in FIG. 1 comprises twenty-five pairs ofv insulated conductors each consisting of an aluminium alloy wire 1 of diameter 0.50 mm and an insulating covering 2 of extruded cellular polyethylene of radial thickness 0.014 mm.
  • the aluminium alloy of each wire 1 consists of 99.0 weight percent aluminium 0.59 weight percent iron; 0.32 weight percent copper; 0.07 weight percent silicon and trace quantities of conventional impurities.
  • Wire 1 has an electrical conductivity of 60.7 percent lACS, a 0.1 percent proof stress of 90 MN/m a tensile strength of 138 MN/m and elongation on 250 mm of 16.9 percent.
  • the assembly of insulated conductors is surrounded by a longitudinally applied, transversely folded polyester tape 4, a longitudinally applied, transversely folded aluminium tape 5 and an extruded polyethylene sheath 6.
  • the interstices between the insulated conductors and between the insulated conductors and the polyester tape 4 are filled with a water-impermeable medium 3 comprising highly refined petroleum jelly.
  • the overhead electric conductor shown in FIG. 2 is of overall diameter 42.5 mm and comprises a stranded core 11 of seven steel wires each of diameter 4.72 mm which is surrounded by three stranded layers 12, 13 and 14 of round aluminium alloy wires 15 of diameter 4.72 mm, the direction of lay of the wires of each layer being opposite to that of the wires in the or each adjacent layer.
  • the aluminium alloy of each wire 15 consists of 99.14 weight percent aluminium; 0.5-weight percent iron; 0.3 weight percent copper; 0.06 weight percent silicon and trace quantities of conventional impurities.
  • a conductor wire composed of an aluminium alloy consisting of between 98.0 and 99.5 weight percent aluminium; between 0.3 and 1.0 weight percent iron; between 0.08 and 1.0 weight percent copper; a maximum of 0.15 weight percent silicon; and trace quantities of conventional impurities.
  • a conductor wire composed of an aluminium alloy consisting of between 98.0 and 99.5 weight percent aluminium between 0.3 and 1.0 weight percent iron, between 0.2 and 0.4 weight percent copper; a maximum of 0.15 weight percent silicon and trace quantities of conventional impurities.
  • a conductor wire as claimed in claim 1 which has at least one covering layer of insulating material.
  • An electric cable comprising at least one conductor comprising a plurality of conductor wires, each conductor wire being composed of an aluminium alloy consisting of between 98.0 and 99.5 weight percent aluminium; between 0.3 and 1.0 weight percent iron; between 0.08 and 1.0'weight percent copper; a maximum of 0.15 weight percent silicon; and trace quantities of conventional impurities.
  • a telecommunication cable comprising a multiplicity of insulated conductors, each conductor comprising a wire composed of an aluminium alloy consisting of between 98.0 and 99.5 weight percent aluminium; between 0.3 and 1.0 weight percent iron; between 0.08 and 1.0 weight percent copper; a maximum of 0.15 weight percent silicon; and trace quantities of conventional impurities.
  • a telecommunication cable comprising a multiplicity of insulated conductors, each conductor comprising a wire composed of an aluminium alloy consisting of between 98.0 and 99.5 weight percent aluminium; between 0.3 and 1.0 weight percent iron; between 0.08 and 1.0 weight percent copper; a maximum of 0. 15 weight percent silicon; and trace quantities of conventional impurities, a water-proof sheath enclosing the insulated conductors and, filling the interstices between these insulated conductors and between them and the cable sheath from end to end of the cable length, a water-impermeable medium of greaselike nature.
  • An overhead electric conductor comprising at least one stranded layer of wires, wherein at least some of the wires are composed of an aluminium alloy conwires each composed of an aluminium alloy consisting of between 98.0 and 99.5 weight percent aluminium; between 0.3 and 1.0 weight percent iron; between 0.08 and 1.0 weight percent copper; a maximum of 0.15 weight percent silicon; and trace quantities of conventional impurities.

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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)
  • Insulated Conductors (AREA)
US00420592A 1973-08-09 1973-11-30 Aluminium alloy conductor wire Expired - Lifetime US3842185A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3787073A GB1444153A (en) 1973-08-09 1973-08-09 Aluminium alloy conductor wire

Publications (1)

Publication Number Publication Date
US3842185A true US3842185A (en) 1974-10-15

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ID=10399598

Family Applications (1)

Application Number Title Priority Date Filing Date
US00420592A Expired - Lifetime US3842185A (en) 1973-08-09 1973-11-30 Aluminium alloy conductor wire

Country Status (11)

Country Link
US (1) US3842185A (it)
BE (1) BE818667A (it)
CA (1) CA1031987A (it)
CH (1) CH578775A5 (it)
DE (1) DE2438177C2 (it)
DK (1) DK145396C (it)
FR (1) FR2240505B1 (it)
GB (1) GB1444153A (it)
IT (1) IT1018867B (it)
NL (1) NL7410738A (it)
SE (1) SE7410155L (it)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3939299A (en) * 1973-08-09 1976-02-17 British Insulated Callender's Cables Limited Aluminium alloy conductor wire
US4048794A (en) * 1975-05-27 1977-09-20 Societe Anonyme Des Hauts Fourneaux De La Chiers Sealed cables for attachment to submarine anchorages
US5994647A (en) * 1997-05-02 1999-11-30 General Science And Technology Corp. Electrical cables having low resistance and methods of making same
US6019736A (en) * 1995-11-06 2000-02-01 Francisco J. Avellanet Guidewire for catheter
US6137060A (en) * 1997-05-02 2000-10-24 General Science And Technology Corp Multifilament drawn radiopaque highly elastic cables and methods of making the same
US6215073B1 (en) 1997-05-02 2001-04-10 General Science And Technology Corp Multifilament nickel-titanium alloy drawn superelastic wire
US6313409B1 (en) 1997-05-02 2001-11-06 General Science And Technology Corp Electrical conductors and methods of making same
US6399886B1 (en) 1997-05-02 2002-06-04 General Science & Technology Corp. Multifilament drawn radiopaque high elastic cables and methods of making the same
US6449834B1 (en) 1997-05-02 2002-09-17 Scilogy Corp. Electrical conductor coils and methods of making same
CN101492783B (zh) * 2009-02-27 2011-08-17 云南铝业股份有限公司 一种Al-Cu合金圆铝杆的配制方法
CN102254605A (zh) * 2011-05-09 2011-11-23 无锡市沪安电线电缆有限公司 一种铝合金环保型电缆
US20130126231A1 (en) * 2008-08-11 2013-05-23 Sumitomo Electric Industries, Ltd. Aluminum alloy wire
US9099218B2 (en) 2009-07-06 2015-08-04 Yazaki Corporation Electric wire or cable
EP3736349A1 (en) 2019-05-10 2020-11-11 General Cable Technologies Corporation Aluminum alloy wires with high strength and high electrical conductivity
CN112951488A (zh) * 2021-01-28 2021-06-11 吉安丽姝科技有限公司 一种铝合金线缆、制作设备及其制作方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1562322A (en) * 1976-01-16 1980-03-12 Bicc Ltd Aluminium conductor wire
US4213799A (en) * 1978-06-05 1980-07-22 Swiss Aluminium Ltd. Improving the electrical conductivity of aluminum alloys through the addition of mischmetal
US5466312A (en) * 1993-01-11 1995-11-14 Reynolds Metals Company Method for making aluminum foil and cast strip stock for aluminum foilmaking and products therefrom
US5618358A (en) * 1995-03-01 1997-04-08 Davisson; Thomas Aluminum alloy composition and methods of manufacture
DE19744667B4 (de) * 1996-10-09 2007-11-22 Kabelwerk Lausitz Gmbh Niederspannungsleitung für Kraftfahrzeuge

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3261908A (en) * 1964-03-26 1966-07-19 Kaiser Aluminium Chem Corp Composite aluminum electrical conductor cable
US3264404A (en) * 1964-03-26 1966-08-02 Kaiser Aluminium Chem Corp Power transmission cable
US3378631A (en) * 1966-12-30 1968-04-16 Aluminium Lab Ltd Conductor with self-damping characteristics
US3445586A (en) * 1966-12-30 1969-05-20 Aluminium Lab Ltd Loose-core conductor having improved self-damping combined with improved internal wear resistance
US3496285A (en) * 1967-01-27 1970-02-17 Elektrisitetsforsyning Self-damping electrical line
US3619480A (en) * 1970-09-08 1971-11-09 Aluminum Co Of America Self-damping cable
US3647939A (en) * 1970-05-15 1972-03-07 Southwire Co Reinforced composite aluminum alloy conductor cable
US3676578A (en) * 1970-10-14 1972-07-11 Gkn Somerset Wire Ltd Electric conductor cables for use in overhead power transmissions
US3795760A (en) * 1970-03-16 1974-03-05 British Insulated Callenders Electrical cables

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1052795A (it) * 1963-02-19 1900-01-01
US3512221A (en) * 1969-04-07 1970-05-19 Southwire Co Aluminum alloy wire

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3261908A (en) * 1964-03-26 1966-07-19 Kaiser Aluminium Chem Corp Composite aluminum electrical conductor cable
US3264404A (en) * 1964-03-26 1966-08-02 Kaiser Aluminium Chem Corp Power transmission cable
US3378631A (en) * 1966-12-30 1968-04-16 Aluminium Lab Ltd Conductor with self-damping characteristics
US3445586A (en) * 1966-12-30 1969-05-20 Aluminium Lab Ltd Loose-core conductor having improved self-damping combined with improved internal wear resistance
US3496285A (en) * 1967-01-27 1970-02-17 Elektrisitetsforsyning Self-damping electrical line
US3795760A (en) * 1970-03-16 1974-03-05 British Insulated Callenders Electrical cables
US3647939A (en) * 1970-05-15 1972-03-07 Southwire Co Reinforced composite aluminum alloy conductor cable
US3619480A (en) * 1970-09-08 1971-11-09 Aluminum Co Of America Self-damping cable
US3676578A (en) * 1970-10-14 1972-07-11 Gkn Somerset Wire Ltd Electric conductor cables for use in overhead power transmissions

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Metals Handbook, 8th Ed., 1961, Vol. American Soc. of Metals pp. 943 945. *
Standards For Aluminum Mill Products, The Aluminum Assoc., Eighth Ed. 1965, pp. 10, 21, 74. *

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3939299A (en) * 1973-08-09 1976-02-17 British Insulated Callender's Cables Limited Aluminium alloy conductor wire
US4048794A (en) * 1975-05-27 1977-09-20 Societe Anonyme Des Hauts Fourneaux De La Chiers Sealed cables for attachment to submarine anchorages
US6019736A (en) * 1995-11-06 2000-02-01 Francisco J. Avellanet Guidewire for catheter
US6248955B1 (en) 1997-05-02 2001-06-19 General Science And Technology Corp Electrical cables having low resistance and methods of making the same
US6137060A (en) * 1997-05-02 2000-10-24 General Science And Technology Corp Multifilament drawn radiopaque highly elastic cables and methods of making the same
US6215073B1 (en) 1997-05-02 2001-04-10 General Science And Technology Corp Multifilament nickel-titanium alloy drawn superelastic wire
US6313409B1 (en) 1997-05-02 2001-11-06 General Science And Technology Corp Electrical conductors and methods of making same
US6399886B1 (en) 1997-05-02 2002-06-04 General Science & Technology Corp. Multifilament drawn radiopaque high elastic cables and methods of making the same
US6449834B1 (en) 1997-05-02 2002-09-17 Scilogy Corp. Electrical conductor coils and methods of making same
US5994647A (en) * 1997-05-02 1999-11-30 General Science And Technology Corp. Electrical cables having low resistance and methods of making same
US9147504B2 (en) * 2008-08-11 2015-09-29 Sumitomo Electric Industries, Ltd. Aluminum alloy wire
US10304581B2 (en) 2008-08-11 2019-05-28 Sumitomo Electric Industries, Ltd. Aluminum alloy wire
US20130126231A1 (en) * 2008-08-11 2013-05-23 Sumitomo Electric Industries, Ltd. Aluminum alloy wire
CN101492783B (zh) * 2009-02-27 2011-08-17 云南铝业股份有限公司 一种Al-Cu合金圆铝杆的配制方法
US9099218B2 (en) 2009-07-06 2015-08-04 Yazaki Corporation Electric wire or cable
USRE46950E1 (en) 2009-07-06 2018-07-10 Yazaki Corporation Electric wire or cable
CN102254605A (zh) * 2011-05-09 2011-11-23 无锡市沪安电线电缆有限公司 一种铝合金环保型电缆
EP3736349A1 (en) 2019-05-10 2020-11-11 General Cable Technologies Corporation Aluminum alloy wires with high strength and high electrical conductivity
CN112951488A (zh) * 2021-01-28 2021-06-11 吉安丽姝科技有限公司 一种铝合金线缆、制作设备及其制作方法
CN112951488B (zh) * 2021-01-28 2022-09-20 深圳市汇昇科技发展有限公司 一种铝合金线缆制作设备及其制作方法

Also Published As

Publication number Publication date
DK423474A (it) 1975-04-14
CA1031987A (en) 1978-05-30
SE7410155L (it) 1975-02-10
IT1018867B (it) 1977-10-20
CH578775A5 (it) 1976-08-13
DE2438177A1 (de) 1975-02-20
BE818667A (fr) 1975-02-10
DK145396C (da) 1983-04-11
FR2240505B1 (it) 1980-03-21
GB1444153A (en) 1976-07-28
AU7194774A (en) 1976-02-05
NL7410738A (nl) 1975-02-11
DK145396B (da) 1982-11-08
FR2240505A1 (it) 1975-03-07
DE2438177C2 (de) 1982-12-09

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