# Material Properties: Inconel 718 (UNS N107718)

### Data Available:

• Thermal Conductivity
• Linear Expansion
 Thermal Conductivity UNITS W/(m-K) a -8.28921 b 39.4470 c -83.4353 d 98.1690 e -67.2088 f 26.7082 g -5.7205 h 0.51115 i 0 data range 6-275 equation range 4-300 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 -2.368E2 b -2.120E-1 c 5.497E-3 d -6.882E-6 e 0 Tlow (K) 20 f> -238.87 data range (K) 4-300 equation range (K) 4-300 curve fit % error relative to data 1.1
 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.

See References

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