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Cryogenic technologies group
Material Properties: Nickel Steel (Fe-3.25 Ni) (UNS S20103)
 Data Available:
 Thermal Conductivity
 Specific Heat

 

 
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.

Link to References

  Young's Modulus Linear expansion
.Units
GPa [(L-L293)/L293] x 10 5 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.

link to references                                 Icon used as link to return to Material Properties Index page