DTD498 / BSB25 Copper Alloy

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Description

DTD498 (CuNi2Si) is a copper-nickel-silicon alloy which demonstrates a combination of high mechanical strength and notch ductility whilst still possessing superior electrical and thermal conductivities. It shows the following features and properties:


  • Good electrical and thermal conductivity
  • Low magnetic permeability
  • Resistance to corrosion and hydrogen embrittlement
  • Related Standards

    Equivalent Materials

    This material data has been provided by Matmatch.

    "Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
    All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
    Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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    Properties

    General

    PropertyTemperatureValue

    Density

    23.0 °C

    8.87 g/cm³

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    Mechanical

    PropertyTemperatureValue

    Elastic modulus

    23.0 °C

    150 GPa

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    Elongation

    23.0 °C

    18 %

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    Hardness, Vickers

    23.0 °C

    159 - 207 [-]

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    Shear modulus

    23.0 °C

    106 GPa

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    Tensile strength

    23.0 °C

    580 MPa

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    Yield strength Rp0.2

    23.0 °C

    430 MPa

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    Thermal

    PropertyTemperatureValue

    Specific heat capacity

    23.0 °C

    419 J/(kg·K)

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    Thermal conductivity

    23.0 °C

    190 W/(m·K)

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    Electrical

    PropertyTemperatureValue

    Electrical resistivity

    23.0 °C

    2.5E-7 Ω·m

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    Specific Electrical conductivity

    6.9 % IACS

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    Chemical properties

    PropertyValue

    Copper

    Balance

    Nickel

    2.5 %

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    Silicon

    0.6 %

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    Technological properties

    Property
    Application areas

    Offshore & marine: Non-magnetic naval architecture and high strength fasteners (non-magnetic and cryogenic);Aerospace: Bearing cages, aircraft undercarriage components, fasteners and bearings;Other: Fasteners, engine valve guides and seats, pump and valve components, high performance bearings, bushes, gears safety tools, mechanical seals, electrical contacts, resistance welding electrodes and brake pads

    Corrosion properties

    Excellent corrosion resistance