Beryllium Copper Alloy C17200

  • Beryllium Copper Alloy C17200

  • General Characteristics

    C17200 is manufactured to provide a combination of high strength and hardness properties coupled with superior thermal properties. This range of properties makes C17200 the premier material for copper alloy molds and a wide range of other applications from oil and gas to aerospace.

  • Typical Chemical Composition

    Weight % Be Ni+Co Ni+Co+Fe Pb Cu Other
    minimum 1.80 0.20 — — Bal —
    maximum 2.00 — 0.60 0.10 0.5

  • Physical Properties

    Characteristics English Metric
    Nominal density

    (68°F/20°C)

    		 0.298 lbs/in3 8.25 g/cm3
    Specific heat

    (212 °F/100°C)

    		 0.10 BTU/lb – °F 420 J/KG- °K
    Melting range 1590-1800 °F 865-980 °C
    Coefficient of thermal

    expansion

    		 68°F – 212°F

    20°C – 100°C

    		 9.3 micro in/in- °F 16.7 micro m/m- °K
    68°F – 392°F

    20°C – 200°C

    		 9.4 micro in/in- °F 17.0 micro m/m- °K
    68°F – 572°F

    20°C – 300°C

    		 9.9 micro in/in- °F 17.8 micro m/m- °K
    Thermal conductivity 20°C   /   68°F 60-75 BTU/ft- hr – °F 105-130 W/m – °K
    200°C / 392°F 75-77 BTU/ft- hr – °F 130-133 W/m – °K
    Electrical resistivity 20°C   /   68°F 57-115 nΩ ∙ m
    Electrical conductivity Volumetric:

    20°C   /   68°F

    		 15-30% IACS

  • Mechanical Properties

    Temper Tensile Electrical

    conductivity,
    Ultimate Yield Elongation in 50 mm (2 in.) %IACS
    KSI MPa KSI MPa
    TB00 – Solution Heat Treated 60-78 410-540 28-53 190-370 35-60 17-19
    TD01 – Solution Heat Treated and Cold Worked: 1⁄4 Hard 75-88 520-610 45-75 310-520 10-35 16-18
    TD02 – Solution Heat Treated and Cold Worked: 1⁄2 Hard 85-100 590-690 65-90 450-620 2-25 15-17
    TD04 – Solution Heat Treated and Cold Worked: Hard (H) 100-120 690-625 80-110 550-760 2-8 15-17
    TF00 – Precipitation Hardened (AT) Aged 3 h at 315 °C 150-180 1030-1240 130-165 895-1140 4-10 22-25
    TH01 – 1⁄4 Hard and Precipitation Heat Treated Cold rolled and aged 2 h at 315 °C 160-185 1100-1280 135-170 930-1170 3-6 22-25
    TH02 – 1⁄2 Hard and Precipitation Heat Treated Cold rolled and aged 2 h at 315 °C 170-195 1170-1340 145-175 1000-1210 2-5 22-25
    TH04 – Hard and Precipitation Heat Treated (HT) Aged 2 h at 315 °C 180-200 1240-1380 100-135 690-930 1-4 22-25
    TM00 – AM Mill treated 100-110 690-760 75-90 520-620 18-22 20-33
    TM01 – 1/4 HM 110-120 760-825 90-110 620-760 15-19 20-33
    TM02 – 1/2 HM 120-135 825-930 100-125 690-860 12-16 20-33
    TM04 – 3/4 HM 135-150 930-1030 110-135 760-930 9-13 20-33
    TM06 – XHM 150-160 1030-1100 125-140 860-965 9-12 20-33
    TM08 – XHMS 160-175 1100-1210 140-165 965-1140 3-7 20-33

  • Specifications

    • AMS – QQ-C-533
    • ASTM – B194
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