Steel Pipes and Temperature Expansion

Temperature expansion of 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 pipe temperature expansion diagram fahrenheit

Carbon Steel Pipes - Temperature Expansion - Celcius

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

steel pipe temperature expansion 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

Related Topics

  • Temperature Expansion - Thermal expansion of pipes and tubes - stainless steel, carbon steel, copper, plastics and more
  • Piping Systems - Dimensions of pipes and tubes - dimensions, materials, capacities - pressure drop calculations and charts - insulation and heat loss diagrams

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