MIG Welding
Technique for a Tee Joint

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Is there one simple MIG Welding Technique that works for all positions?

YES.

For short circuit mig welding with C25 (75/25 argon/co2) there is.

This simple mig welding technique might not be the absolute best for appearance sake, but it definitely works for every position.

For this video, We are demonstrating this one simple technique for all positions.

1F, 2F, 3F, and 4F tee joints.

One Simple technique that works for all of them.

Why this mig welding technique works

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It works because it keeps the arc on the leading edge of the puddle.

when you do this, and also have the right stickout length(3/8-1/2")

and of course have the machine set right, you have a really good chance of getting the right penetration into the root of a tee joint.

1F tee joint

The Esab Rebel 205 has a chart on the inside of the wire feed door and recommended settings for 1/4" thick steel are 20 volts and 370 inches per minute using .035" ER70S6 wire and C25 shielding gas.

I used a Vee shape pattern technique to trace the leading edge of the puddle while maintaining a 3/8"-1/2" stickout.

2F tee joint

The same exact technique was used for the 2F horizontal tee.

a series of Vees tracing the leading edge of the puddle while maintaining as short a stickout as possible.

3F tee

4F tee

What about a cut and etch test?

Coming soon with be adding several more beads using a slightly different technique followed by a cut and etch cross section test to verify penetration. link to that video will be here soon.

Practicing your mig welding

The cool thing about a tee joint cross like I used for this video is that it provides for a lot of practice.

So if you are feeling like you need more practice on overhead or vertical uphill mig welding, you can keep adding beads until every side is completely full.

that makes for a lot of hood time with very little time preparing the metal.

So that is exactly what I plan on doing for the next video.

I will practice stacking beads in all positions while experimenting with different inductance settings, wire speed settings, and more.

After I have enough practice for the day, I will explain how a cut and etch test is such a good training tool for welding students and explain some tips for etching.

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