Carbon Steel Extruded Fin Tube with Aluminium Fins Carbon steel extruded fin tubes combine a steel pressure-bearing tube with an aluminium sleeve mechanically formed into continuous helical fins. This construction increases the external heat-transfer surface for air-cooled heat exchangers while ...
ASTM A252 Grade 2 Large Diameter Spiral Welded Structural Pipe Product Overview ASTM A252 Grade 2 seamless structural steel pipe is designed primarily for steel pipe pile and foundation engineering where the tubular section functions as a permanent load-bearing member or as a shell for cast-in-place ...