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Steel Pipes - Temperature Expansion

Calculate temperature expansion with carbon steel pipes.

The maximum and minimum length of a pipe depends to the maximum and minimum temperature of the pipe - in cold (non operating) and running (operating) condition. The temperature expansion coefficient steel pipes per degree change of temperature is nearly constant:

  • 6.5×10-6 (in/in oF)
  • 14.0×10-6 (m/m oC)

Carbon Steel Pipes - Temperature Expansion - Fahrenheit

The temperature expansion of carbon steel pipes expressed in inches per 100 feet per degree Fahrenheit:

Steel pipes - temperature expansion diagram - in fahrenheit

Carbon Steel Pipes - Temperature Expansion - Celcius

The temperature expansion of carbon steel pipes expressed in mm per m per degree Celsius:

Steel pipes - temperature expansion - in celcius

Example - Expansion of Steam Pipe

The expansion of 10 m steam pipe from an installation temperature of 20 oC to design temperature 180 oC (pressure 10 bar) is 2.4 mm/m or 

10 (m) 2.4 (mm/m) = 24 mm

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