# Material Properties: Beryllium Copper

### Data Available:

• Thermal Conductivity (No plot available)
• Linear expansion (No plot available)
 Thermal Conductivity UNITS W/(m•K) a -0.50015 b 1.93190 c -1.69540 d 0.71218 e 1.27880 f -1.61450 g 0.68722 h -0.10501 i 0 data range 2-80 equation range 1-120 curve fit % error relative to data 2
 Curve fit equation of the form: log10 y = a+b(log10T) + c(log10T) 2 + d(log10T) 3 + e(log10T) 4 + f(log10T) 5 + g(log10T) 6 + h(log10T) 7 + i(log10T) 8 Solves as: y = 10 a+b(log10T) + c(log10T) 2 + d(log10T) 3 + e(log10T) 4 + f(log10T) 5 + g(log10T) 6 + h(log10T) 7 + i(log10T) 8 Where: Coefficients a - i are summarized in the appropriate table and T is the temperature in K (x-axis), and y is the property to solve for.

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 Linear Expansion .UNITS [(L-L293)/L293] x 105 unitless, eg. m/m a -3.1150E2 b -4.4498E-1 c 1.0133E-2 d -2.4718E-5 e 2.6277E-8 Tlow (K) 24 f> -316.68 data range (K) 4-300 equation range (K) 4-300 curve fit % error relative to data 1.5
 equation of the form: y = a + bT + cT 2 + dT 3 + eT 4 >T > Tlow y = f T < Tlow solves as expected: Where: Coefficients a-e are summarized in the appropriate table and T is the temperature in K (x-axis), and y is the property to solve for.

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