Quote:
Originally Posted by Mulcahy
I think the confusion comes from pipe vs tubing. Tubing is measured o.d. pipe is measured I.D. The official field uses 1.5" DOM tubing, the "cheap" field uses 1 1/4" pipe (slightly larger than 1.5"). Pipe is much cheaper.
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That being said, if you get electric welded (ERW) tubing, you can have the end resulting price be very similar to pipe. Granted the disadvantage of ERW is you are going to have the weld flash making it difficult to nest tubes and duplicate the official construction technique.