# Material Properties: Nickel Steel (Fe-3.25 Ni) (UNS S20103)

### Data Available:

• Thermal Conductivity
• Specific Heat (Plot Unavailable)
• Young's Modulus
• Linear Expansion (Plot Unavailable)
 Thermal Conductivity Specific Heat UNITS W/(m-K) J/(kg-K) a 0.89481 15503.108 b -8.1998 -37280.377 c 22.096 26788.417 d -27.645 7010.0877 e 19.7524 -22731.651 f -8.1113 15386.526 g 1.77866 -5175.7968 h -0.16172 896.97274 i 0 -64.055866 data range 4-300 60-300 equation range 4-300 55-300 curve fit % error relative to data 2 1.5
 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.

See References

 Young's Modulus Linear expansion .Units GPa [(L-L293)/L293] x 105 unitless, eg. m/m a 2.15351E2 -2.104E2 b 1.04624E-2 -5.699E-2 c -3.55710E-4 5.072E-3 d 8.9497E-7 -1.381E-5 e -8.48640E-10 1.897E-8 Tlow (K) 6 f> -210.56 data range (K) 0-298 4-300 equation range (K) 0-298 4-265 curve fit % error relative to data 1 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.

See References