The materials are essentially low carbon steels and have the same coefficient of thermal conductivity. 30 Btu/hr. ft. Deg F at 70F (121 Watts/m Deg C) is a reasonable figure. My reference is the TEMA (Tubular Exchanger Manufacturers Association) Code, Table D-12. There are other references which will give similar data.

The materials you mentioned are per ASTM standards.
Ray Delaforce
CADWorx & Analysis Solutions
Hexagon PPM