UNS C63000 / AMS 4640 Bronze

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Description

2.0966 (CuAl10Ni5Fe4) most popular American grade of nickel aluminum bronze with a chemical composition of approximately 10% aluminium, 5% nickel and 3% iron, is readily hot worked and offers a good machinability. The alloy displays good erosion and cavitation resistance in seawater and brackish water, together with a good resistance to dilute sulphuric, hydrochloric and non-oxidising acids. Columbia Metals stocks C63000 in the HR50 condition to meet the requirements of AMS4640. It shows the following features and properties:


  • Very good strength and toughness
  • High resistance to corrosion and erosion
  • Retention of properties at cryogenic temperatures
  • Excellent resistance to shock, wear and abrasion
  • Spark resistance
  • Good fabrication and welding properties
  • Retention of properties at cryogenic temperatures
  • 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.

    Ashby charts

    Propiedades

    General

    PropertyTemperatureValue

    Densidad

    23.0 °C

    7.6 g/cm³

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    Mecánica

    PropertyTemperatureValue

    Elongación

    23.0 °C

    5 - 12 %

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    Límite elástico Rp 0,2

    23.0 °C

    275 - 415 MPa

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    Resistencia a la tracción

    23.0 °C

    550 - 760 MPa

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    Aplicaciones térmicas

    PropertyTemperatureValueComment

    Coeficiente de dilatación térmica

    23.0 °C

    1.7E-5 1/K

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    for 0-300°C

    Conductividad térmica

    23.0 °C

    38 - 46 W/(m·K)

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    Temperatura de fusión

    1050 - 1070 °C

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    Eléctrico

    PropertyTemperatureValue

    Conductividad eléctrica

    23.0 °C

    4.06E+6 - 5.22E+6 S/m

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    Specific Electrical conductivity

    7 - 9 % IACS

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    Magnético

    PropertyTemperatureValue

    Permeabilidad magnética relativa

    23.0 °C

    1 [-]

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    Chemical properties

    PropertyValueComment

    Aluminio

    9 - 11 %

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    Cobre

    Balance

    Hierro

    2 - 4 %

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    Manganeso

    1.5 %

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    max.

    Níquel

    4 - 5.5 %

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    Silicona

    0.25 %

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    Technological properties

    Property
    Application areas

    Offshore & marine: Marine fasteners, hardware and fittings;Aerospace: Landing gear components, thrust washers, gears, control bushes, faucet balls, springs and worm wheels;Other: Non-sparking safety tooling, valve stems and seats, wear plates, welding clamps, valve spindles and components, fasteners and bearing bushes

    Corrosion properties

    High resistance to corrosion and erosion

    General machinability

    Good machinability

    Hot forming

    Easily hot worked