CRS or HRS for this application?

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Hi guys - I am going to work with a buddy to plasma cut me a bunch of parts out.  It's relatively simple but I want to keep warping down to a minimum.  Thinking 3/16" material thickness.  Knowing I will be welding a tube into the center would you guys go with HRS or CRS?  I know CRS is more susceptible to warpageMiller Diversion 180Hobart Handler 140 (Soon to be replaced with Miller 211?)Miller Spectrum 625 Extreme
Reply:Hot rolled pickled and oiled . . . no mill scale.Dynasty 300DXSmith He/Ar gas mixerMM350PHobart Handler 120Smith LW7, MW5, AW1A