# Material Properties: Nickel Steel (Fe-2.25 Ni)

### Data Available:

• Thermal Conductivity
• Specific Heat
• Young's Modulus
• Linear Expansion
 Thermal Conductivity Specific Heat UNITS W/(m-K) J/(kg-K) a -3.5785 15503.108 b 20.804 -37280.377 c -55.826 26788.417 d 87.812 7010.0877 e -83.5016 -22731.651 f 49.08 15386.526 g -17.4348 -5175.7968 h 3.4277 896.97274 i -0.28622 -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 2.17656E2 -2.104E2 b 1.11923E-2 -5.699E-2 c -3.54650E-4 5.072E-3 d 8.31168E-7 -1.381E-5 e -7.03680E-10 1.897E-8 Tlow (K) 6 f> -210.56 data range (K) 0-297 4-300 equation range (K) 0-297 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