About four years ago, I purchased Menards tubular track. It is quite different from Lionel and K-Line tubular. At least that was my experience then.
The galvanizing was rough and the track ties were not spaced the same as traditional tubular track on some of their offerings.
It is difficult to solder to.
I've heard differently about the newer track from Menards. But have no actual experience with it.
I've purchased a bit of tubular Made by Williams by Bachmann, which was originally K-Line. It is alot nicer than the Menards track.