Pipe Thermal Expansion Calculation

Pipe Thermal Expansion Calculation


ΔT -change of temperature (ᵒC)
L – Initial length of the pipe
a – Coefficient of linear expansion for the material.

ABS– 73.8 x 10-6Copper– 16.6 x 10-6
Aluminum– 22.2 x 10-6Iron– 12.0 x 10-6
Brass– 18.7 x 10-6PEX-AL-PEX– 24 x 10-6
Cast iron– 10.4 x 10-6Polyethylene (PE)– 200 x 10-6
Cement– 10.0 x 10-6Polypropylene (PP)– 90.5 x 10-6
CPVC– 66.6 x 10-6PVC– 110 x 10-6
Concrete– 14.5 x 10-6Rubber– 77 x 10-6