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Cryogenic technologies group
Material Properties: 304L Stainless (UNS S30403)
 Data Available:
 Thermal Conductivity
 Specific Heat

 

 
Thermal Conductivity
Specific Heat
UNITS W/(m-K) J/(kg-K)
a -1.4087 -351.51
b 1.3982 3123.695
c 0.2543 -12017.28
d -0.6260 26143.99
e 0.2334 -35176.33
f 0.4256 29981.75
g -0.4658 -15812.78
h 0.1650 4719.64
i -0.0199 -610.515
data range
4-300 4-20
equation range
1-300 4-23
curve fit % error relative to data
2 1
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 10 5 unitless, eg. m/m
a
-2.9554E2
b
-3.9811E-1
c
9.2683E-3
d
-2.0261E-5
e
1.7127E-8
Tlow (K)
23
f>
-300.04
data range (K)
4-300
equation range (K)
4-300
curve fit % error relative to data
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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