Interesting Scrambler used 6106...that's a pretty soft mid-range alloy designed primarily for complex extrusions, rather than round tubing.
Even before welding, 6106-T6 has only 75-80% the tensile and Yield strength of 6061-T6. (UTS 250 vs 310 MPa, Yield 200 vs 270 MPa).
While 6061 is fairly...