COLDUR-A® Copper Alloy

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Description

2.1525 (CuSi3Mn) is a high copper alloy that is renowned for its combination of strength, corrosion resistance and formability and for its attractive colour. Known as a high silicon bronze, COLDUR-A® (C65500) is renowned as being one of the easiest of all copper alloys to fabricate - by a wide range of techniques - and is readily formable by both hot and cold methods. It offers excellent forming characteristics combined with an attractive rich, reddish old gold colouration that makes the alloy highly desirable for many architectural and decorative applications. It shows the following features and properties:


  • Excellent hot and cold formability
  • High strength properties
  • Excellent general corrosion resistance
  • Low magnetic permeability
  • Attractive reddish old gold colouration
  • Related Standards

    Equivalent Materials

    Diese Materialdaten wurden von Matmatch zur Verfügung gestellt

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    Eigenschaften

    Allgemein

    PropertyTemperatureValue

    Dichte

    23.0 °C

    8.53 g/cm³

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    Mechanisch

    PropertyTemperatureValue

    Dehnung

    23.0 °C

    20 %

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    Elastizitätsmodul

    23.0 °C

    105 GPa

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    Härte, Brinell

    23.0 °C

    75 - 95 [-]

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    Streckgrenze Rp 0,2

    23.0 °C

    260 MPa

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    Zugfestigkeit

    23.0 °C

    485 MPa

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    Thermisch

    PropertyTemperatureValue

    Schmelzpunkt

    970 - 1025 °C

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    Wärmeleitfähigkeit

    23.0 °C

    36 W/(m·K)

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    Chemical properties

    PropertyValueComment

    Eisen

    0.8 %

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    max.

    Kupfer

    Balance

    Mangan

    0.5 - 1.3 %

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    Silizium

    2.8 - 3.8 %

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    Zink

    1.5 %

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    max.

    Technological properties

    Property
    Application areas

    Architectural & decorative: Furniture, fire place surrounds, nameplates, sculptures, signs, bolts, cladding, door and window frames, hinge pins, latches, masonry fixings, slate and tile nails, panels, spring brackets, screws, step irons, tension bolts and wall ties;Electrical: current-carrying electrical components such as slip rings, squirrel cages, springs, rotary switch contacts, contact blades, short-circuit rings, heavy-duty switchgear, bearing plates, bolts, busbar clamps, bushes, clutch discs, cotter pins, electrical conduit, fasteners, locking washers, piston rings, thrust washers and u-bolts;Automotive: valve guides, bushes and valve seats;Chemical processing: Autoclaves, chemical apparatus, drains, explosives plant, fans and ducts for corrosive vapours, fasteners, heat exchanger tube plates, filters, pickling and recovery plant, pressure vessels, pump rods and shafts, screen plates, stirrers, valve stems, vats and washers;Offshore & marine: Fasteners, propeller shafts, hull and deck fittings, fuel and water tanks, non-magnetic instrumentation, subsea electromechanical equipment and other hardware

    Cold Forming

    Excellent cold formability

    Corrosion properties

    Excellent corrosion resistance

    Hot forming

    Excellent hort formability, Hot Working Temperature (°C): 710-870