Originally Posted by
cycle_maven
Tenax is seamed butted tubing of approximately the same metallurgy as Chromor. Very respectable tubing, but not as flashy as SP and SL.
Correct. Tenax alloy is the same as Cromor (25CrMo4), and both are welded seam tubing that are drawn and butted post welding; The alloy used for SL and SP is Columbus Cyclex and those tubesets are seamless.