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Thermal Conductivity & Thermal Diffusivity of Alloy 20

1. Coefficient of Thermal Conductivity of Alloy 20(UNS N08020)

Temp. °F70100150200250300350400450500
TC6.96.97.27.57.88.08.38.68.89.1
Temp. °F5506006507007508008509009501000
TC9.49.710.010.210.510.811.011.311.611.9
*TC: the coefficient of thermal conductivity, Btu/hr-ft-°F.
*Temp.: metal temperature, not exceeding.

2. Coefficient of Thermal Diffusivity of Alloy 20(UNS N08020)

Temp. °F70100150200250300350400
TD0.1980.1980.2070.2140.2220.2300.2380.246
Temp. °F450500550600650700750800
TD0.2550.2630.2710.2780.2860.2930.3000.309
*TD: the coefficient of thermal diffusivity, ft2/hr.
*Temp.: metal temperature, not exceeding.

All tabulated values are in accordance with ASME Boiler & Pressure Vessel Code Section II, Part D.

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