weld penetration!

I'm a certified welder where I work, but i do not know everything by any means. We use a Millermatic with .045 size gas wire. Unfortunatley, I cannot take my big projects to work to weld them. I have a licoln mig at home with .030 flux wire. I'm wanting to build some tubular bag brackets, so I cut a piece of tubing here at home, notched it, and welded it to another piece of tubing with my flux welder, I set everything up on my welder to get the best penetration i could get without burning through the pipe which is a little thinner than 1/8 inch. i welded it all the way around and the penetration was great, so I stuck the end that i welded to the longer piece of pipe and pryed on it till my back hurt and my legs tired out and couldn't budge the weld, i was just wondering if it would be safe under a load on a ranger.

yes it'll be fine. That's all I have welded on either of my mazdas with is flux. as long as it's set up right, and you take your time, it's fine to do medium size jobs with. Now I wouldn't go building a complete frame with it, but for brackets and medium stuff it's fine.

A litle bit less that 1/8 inch thats like a 1/16 is that strong enough for bag brackets?

i was more so referring to the welder. alot of folks use .120 wall for brackets and tube work, just as long as it's not the frame. 1/8 inch is .128. I don't see a problem with it as long as you gusset it properly.

if thats just a crossmember, it will be fine. if its gona be a load carrying crossmember it will fail due to the thickness of the pipe.

I know a lot of people say only use 1/4 wall or 3/16 but the only thing going on my truck is 1/8 wall. except maybe for link tabs because I don't feel like cutting my own. I would use 3/16 bag brackets just for the sake of ease, and your bag is obviously putting its load fully on that...

I appreciate all your replys, I was just wondering if anyone has had problems with flux welds over gas.