ews is also known by crew tube, or cold rolled electricly welded....
also to clarify..... dom is actually seamed tubing, it is drawn over a mandrel to smooth out the seam, and to make the tube thickness more uniform.
chrome moly is a true seamless tube, as it is manufactured by drawing 4130 solid rods over a mandrel (heated of course) to get it into a tube of the required thickness. This is a simplified explaination, as there are other steps involved in both proceedures.
this is how I understand it anyway.... :wink: