Brass Alloy C46400

  • Brass Alloy C46400
  • General Characteristics

    C46400, Naval Brass is a high strength and corrosion resistant alloy. It is widely used in marine construction where a strong, corrosive resistant and hard material is required. The addition of tin gives the alloy an inherent resistance to dezincification, thereby further inhibiting the impingement by seawater at higher than normal temperatures.

  • Typical Chemical Composition

    Weight % Cu Pb Sn Fe Zn
    Minimum 59.00 0.50 Bal
    Maximum 62.00 0.20 1.00 0.10
  • Physical Properties

    Characteristics English Metric
    Nominal density 20°C   /   68°F 0.304 lbs/in3 8.41g/cm3
    Melting range 1630-1650 °Fz 885-900 °C
    Specific heat 20°C   /   68°F 0.09 BTU/lb – °F 377 J/KG- °K
    Thermal conductivity 20°C   /   68°F 5.58 BTU/ft-hr-°F 9.65 W/m- °K
    Average coefficient of

    thermal expansion

    From 20°C (68°F) to

    temperature,

    300°C / 572°F 11.8 micro in/in- °F 21.2 micro m/m- °K
    Electrical  conductivity 20°C   /   68°F

    Volume  basis

    26 %IACS
    Electrical  resistivity 20°C   /   68°F 66.3 nΩ×m
  • Mechanical Properties

    Temper Tensile Hardness
    Outside Diameter

    0.375 in.

    Wall thickness

    0.097 in.

    Ultimate Yield Elongation in

    50 mm (2 in.)

    Reduction

    of area

    HRB
    KSI MPa KSI MPa % %
    H80- hard drawn 88 607 66 455 18 40 95
    O61- Annealed 62 427 30 207 45 25
  • Specifications

    • Military Specifications: MIL-T-6945

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