Thermal resistivity pipe material

According IEC 60287-2-1 Ed.3.0 (2023).
With exception to metal, where the thermal conductivity of wrought iron/steel with a value of 59 W/(m.K) is taken instead.

Symbol
$\rho_p$
Unit
K.m/W
Related
Used in
Choices
MaterialValue
Plast3.5
Metal0.017
Cem2.0