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 |