DIY step notch ... need help

[sevensixoh]

So i was looking at doing a step notch on a 60 apache and thinking ... hey i could do this myself . And i saw a company selling 3/16 thick steel tube pre bent . Im wondering if this would work versus the common square ones they sell . I would think the pre bent steel would be better versus the ones you have to weld together.

let me know what you think !! I wanna use the bent tubing