le? Fin Materials: Aluminum, Copper? Tube Materials: No theoretical limits.'G' Embedded Finned Tube(Embedded Fin)The fin strip is wound into a machined groove and securely locked into place by back filling with base tube material. This ensures that maximum heat transfer is maintained at high tube metl temperatures. Maximum Working Temperature: 450℃Atmospheric Corrosion Resistance: PoorMechnical Resistance: AcceptableFin Materials: Aluminum, Copper, Carbon SteelTube Materials: No theoretical l