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

    Los datos sobre este material han sido proporcionados por Matmatch.

    A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
    Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

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    Propiedades

    General

    PropertyTemperatureValue

    Densidad

    23.0 °C

    8.53 g/cm³

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    Mecánica

    PropertyTemperatureValue

    Dureza Brinell

    23.0 °C

    75 - 95 [-]

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    Elongación

    23.0 °C

    20 %

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    Límite elástico Rp 0,2

    23.0 °C

    260 MPa

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    Módulo elástico

    23.0 °C

    105 GPa

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    Resistencia a la tracción

    23.0 °C

    485 MPa

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    Aplicaciones térmicas

    PropertyTemperatureValue

    Conductividad térmica

    23.0 °C

    36 W/(m·K)

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    Temperatura de fusión

    970 - 1025 °C

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    Chemical properties

    PropertyValueComment

    Cobre

    Balance

    Hierro

    0.8 %

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    max.

    Manganeso

    0.5 - 1.3 %

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    Silicona

    2.8 - 3.8 %

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    Zinc

    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