Does "same materials" mean Fusion Welded = Seamless?
this is the first and easiest point to compare. there are many others.
I do not wish to become the engineer of record on this one.
So this is as far as I go.
I suggest that you purchase the specifications and compare.
(test reports could also be compared, but heat lot specific differences could confuse the layman.)
Milo
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People say between two opposed opinions the truth lies in the middle. Not at all! Between them lies the problem, what is unseeable,eternally active life, contemplated in repose. Goethe