Anything welding

What type of gas is better for DOM tube welding? Argon, CO2 or 25%/75%?

 

Mix for cleaner welds, straight co2 for small welders as it runs hotter than mix.

 

No, just fluxcore.

A lot of my welding is outside, and do not want to deal with bottles.

Example of my work,

 

But is flux as strong as MIG?

Maybe I'll spend the extra buck and get the miller 211

 

Yes.

Mig and flux-core are both er-70, which is a 70,000 pound wire, which is the same as a 7018 welding rod.

MIG uses gas for shielding while flux-core has flux inside the wire that provides shielding.

If you are working outside, around a farm, welding on farm equipment in the field, flux-core is the only way to go.

EDIT

Here is my welding setup. I was tacking a section of cattle panel on the chicken yard gate.

I just load the welding machine and generator in the back of my truck and drive to wherever I am going to be welding at.

 

This 1 has been great to me so far.
http://store.cyberweld.com/twfa14miwew1.html

But there is this 1 too....
http://store.cyberweld.com/hoha125.html

But the larger you can get the better. just like Jerry said.

 

Get the 211 you will not be happy with Flux of your welding on your truck you want gas.

 

I run 90/10 in my Mig welders the welds are a lot cleaner but you need a bigger welder that can handle the higher amps. We weld .120 wall around the setting recommended for .250 on the welder because the lack of C02 in the mix.

 

Welding thicker metal is not limited by the size of the machine, but rather the knowledge of the welder.

One does not weld 3/4 inch thick steel with a single pass. Stack your beads and you can weld anything.

 

We are not talking industrial welding we are talking truck fab We don't run multiple passes on .120 wall. Anyone needing to run more then one pass on thinner then .500 needs a bigger welder.

 

If someone is welding 1/8 thick plate or pipe, why would they be happier with mig? When the finished product is wire brushed and painted, the two welds are going to look exactly the same.

To answer tacomonazuls question about mig and flux-core:

If the majority if your welding will be inside, get a mig.

If the majority of your welding will be outside, get a flux-core.


I went with flux-core because:

1. I did not want the hassle of a bottle.

2. All of my welding is outside. Whether it is on a truck, bar-b-q pit, gate, trailer,,,, etc all of my welding is in the open.

 

Thanks so much man, Im a noob at welding

Ill do all the welding at my garage, this is how it looks like:



Also plan on getting a flux/MIG welder so I can flux first and when I get a bit more $$ buy a bottle for cleaner welds. I don't care much right now as Ill powder coat the bumper soo...

 

Yeah i dont think so but whatever floats your boat.

 

x2

No way I'd run flux cored welds on a LT truck build. Just going to make it scream ghetto fab/hack, IMHO.


PS: FTFY


PPS: Happy B-day Jerry! Just noticed on the homepage.

 

Dual-shield

 

You should come to so cal, visit east county San Diego. It's all about long travel....bro. Flux core harbor freight machines rule in the danger ranger world. The welds may look like the handy work of a pigeon with spastic bowel syndrome but hey, the bigger the blob the better the job.

 

I'd rather make a strong weld with fluxcore than a bad weld with porosity caused by bad gas coverage. Not everyone has the luxury of welding inside and for many of those people, flux is a better answer.

 

I despise slider work..

Whoever welded them to this truck's frame looked like they were running 6011 on a buzz box, and might've had Tourette's.

Don't think I'm going to take anymore jobs that are adding to someone else's previous jobs after this one..

 

Yep I know what you mean. Fixing hack jobs is 3x worse and starting fresh.....