Related Resources: heat transfer

Thermal Expansion or Contraction of Piping per. ASME B31.8

Heat Transfer Engineering and Design

Thermal Expansion or Contraction of Piping Materials

Carbon and Low Alloy High Tensile Steel and Wrought Iron per. ASME B31.8

The thermal expansion and contraction of the more common carbon and low alloy steels may be calculated using 6.5×10−6 in./in./°F (1.17×10−5 cm/cm/°C) as the coefficient of thermal expansion. The expansion or contraction to be considered is the difference between the maximum or minimum design temperatures and the expected average installation temperature. For more precise thermal expansion coefficients for specific materials, refer to authoritative source data, such as publications of the national Institute of Standards and Technology.

The following table contains approximate amounts of expansion or contraction per unit length for selected temperatures.

Related:

Reference:

  • American Society of Mechanical Engineers ASME B31-8

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