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What is the heat conductivity difference between copper and stainless steel?
Wiki User
∙ 14y ago
A figure of merit for copper is 231
A figure of merit for stainless steel is 8.1
A figure of merit for steel (mild) is 32
A figure of merit for aluminum is 136.
The units are BTU / H * ft * Degrees F.
For a given length of time copper will conduct almost twice as much heat as aluminum and 28 times as much as stainless steel (but only about 7 times as much as regular steel). This is why there are copper bottomed stainless steel pots.
From the definition of thermal conductivity: for 1 Ft cube of copper it would take 231 BTU per hour to maintain a 1 degree (Fahrenheit) temperature difference across the the length of the cube. This compares to 0.04 BTU for a 1 ft. cube of fiberglass insulation.
Wiki User
∙ 14y ago
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