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