Copper Alloy C15000

  • Copper Alloy C15000

  • General Characteristics

    C15000 this alloy is an important and unique copper alloy with high electrical conductivity, hardness and ductility, moderate strength, and excellent resistance to softening at elevated temperatures. The addition of 0.15% zirconium (Zr) to copper results in a heat treatable copper alloy which may be solution treated and subsequently aged to produce these desirable properties. Rod is supplied from the mill in the fully aged and drawn condition so no further heat treatment is required by the fabricator.

  • Typical Chemical Composition

    Weight % Cu + Ag + Zr Zr
    minimum 99.95 0.13
    maximum — 0.20

  • Physical Properties

    Characteristics English Metric
    Nominal density

    (68°F/20°C)

    		 0.321 lbs/in3 8.89 g/cm3
    Melting range 1800 – 1980 °F 980 – 1080 °C
    Specific heat

    (212 °F/100°C)

    		 0.092 BTU/lb – °F 385 J/KG- °K
    Coefficient of thermal

    expansion

    		 68°F – 212°F

    20°C – 100°C

    		 9.39 micro in/in- °F 16.9 micro m/m- °K
    68°F – 392°F

    20°C – 200°C

    		 9.78 micro in/in- °F 17.6 micro m/m- °K
    68°F – 572°F

    20°C – 300°C

    		 11.2 micro in/in- °F 20.2 micro m/m- °K
    Thermal conductivity 20°C   /   68°F 213 BTU/ft- hr – °F 367 W/m – °K
    Electrical conductivity Volumetric:

    20°C   /   68°F

    		 93% IACS
    Electrical resistivity 20°C   /   68°F 18.6 nΩ · m

  • Mechanical Properties

    Section size C.W. % after Tensile
    Solution

    treating

    		 Aging Ultimate Yield Elongation in

    50 mm

    (2 in.)
    mm In. At 900 – 925 °C 1 hour at

    400-425 °C

    		 KSI MPa KSI MPa %
    5 0.20 — 76 62 430 56 385 8
    6 0.25 10 (*)

    mill annealed

    		 — 41 285 36 250 34
    9.5 0.37 80 44 68 470 64 440 11
    13 0.50 56 47 67 460 63 435 15
    16 0.62 61 31 64 440 62 430 15
    19 0.75 50 34 63 435 61 420 15
    22 0.87 48 52 62 430 60 415 15
    25 1.00 48 47 62 430 60 415 15
    32 1.25 32 17 60 413 58 400 18

  • Specifications

    • ASTM – B124, B301
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