HOW TO: Weld an Exhaust Pipe

In today's video, Western Welding Academy Instructor, Carl Burrow, goes through the simple process of welding an exhaust pipe together.
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[@BigWesLawns]

Notice something important he did. Time the stop/start of the welding so that the puddle never cools down between welds, or there won't be a solid weld. This is especially important in structural. The Metal Cored process tests a vertical up plate and you need to stack tacks to do it, because it's a flat position wire. Hope this helps stop start tacs.

[@WesternWeldingAcademy]

Appreciate the insight!

[@andrewbeekman67]

I just started welding exhaust pipes and that method has worked best for me.

[@Vincent-y3y]

I really really appreciate you doing this in 4 minutes rather than extending your video to 20 minutes explaining one little thing.

[@WesternWeldingAcademy]

Glad you like it!

[@thegrey8643]

Im new at welding and this video helped me greatly. I was able to complete a flex pipe replacement on an exhaust down pipe without issue. Thank you! 👍

[@WesternWeldingAcademy]

Glad it helped

[@MrStaybrown]

I use .035 fluxcore on exhaust, its best with a natural breeze or fan to carry fumes away from you.

[@WesternWeldingAcademy]

Yes, having a natural breeze or a fan to carry the fumes away can greatly improve the working environment and safety. Thanks for the tip!

[@RusselWierema]

Coat hangers and a victor welding tip old school style

[@chauncey5962]

The best way even better with a henrob

[@WesternWeldingAcademy]

Old school but effective!

[@A-A-Ron95]

Awesome video brother! An additional tip for cleaning the pieces you're welding: If you don't have a brush or grinder with a wire wheel you can use sandpaper to clean the areas to be welded.

[@WesternWeldingAcademy]

Great tip!

[@Aphelion79]

Another great idea for exhaust is a strip of emery cloth... kinda wrap it around and alternate pulling on the ends!

[@yoganlates7775]

Thanks for the straight forward video. Now onto buying my first welding machine.

[@SirEpifire]

Thanks! I was trying to see how long you ended up welding for putting down beads. This helps me get a better idea.

[@WesternWeldingAcademy]

No problem! Glad we could help

[@kemppih]

I too use carbon monoxide to weld

[@evanmixon1808]

😂😂😂

[@adamkamm6331]

I had to rewind to be sure I heard what I thought I heard

[@WesternWeldingAcademy]

Lmao

[@Blackeaglewelder]

for exhausts and rusty panels change on cars , always i use 0.8mm wire and carbon dioxide ( CO2 ) i had professional and cheap mig welding machines

[@mattfogarty8144]

I sleeve them together with a connector makes the metal thicker and you can weld it with 2 passes downhill easily

[@WesternWeldingAcademy]

Thanks for sharing your technique!

[@n2audiodiane]

Okay, wait a minute... I learned from my father, the super custom hot rod exhaust welder for 40+ years that when you do a weld on exhaust pipes that you use the tubing bender first and taper the one end? To me that's logical because I couldn't imagine trying to get the pieces of pipe perfectly touching each other to spot weld, let alone the entire circumference. Right? I mean sure its easier to weld like that on a table but that's not how it is in real life welding pipes, muffler and tailpipes.

[@WesternWeldingAcademy]

Very cool! Thanks for sharing your valuable insight from years of experience in hot rod exhaust welding!

[@gregoryteigen]

I've been welding for 25 years. any welder who's good at all can line up pipe, clamps on bar or angle work best.

[@kimdecastro9156]

great video.

[@WesternWeldingAcademy]

Glad you enjoyed it

[@jwoodyr1]

Carbon monoxide?

[@BigWesLawns]

Be more specific.

[@Roadglide2020.]

Its carbon dioxide

[@craighalpin896]

Now I just want to see someone really use carbon monoxide to weld... What would it do... Or would it be the exact same with an extra hazard

[@markbrandon7756]

Comments were bait on this hook … CO. CO2 His Autocorrect got him so the video would gets lots of fun comments about chemistry class, I meant welding school.. 😊

[@markbrandon7756]

Keep spreading that attention that way you know they are paying close attention to ever word. Iron Fever Welding.

[@tommys2979]

Carbon monoxide? Isnt 75 25 co2?

[@electricpuddle7]

Can I use Dual shield ? Or do you recommend solid wire

[@WesternWeldingAcademy]

Using dual shield wire for welding exhaust pipes is not recommended. Dual shield wire is typically used in heavy-duty welding applications, such as structural welding or heavy equipment repair, where higher deposition rates and deeper penetration are needed. For welding exhaust pipes, which are typically thin-walled and require precise control to prevent burn-through, solid wire with a shielding gas like MIG welding (GMAW) is generally preferred. Solid wire provides better control over the welding process and produces cleaner welds with less spatter, which is essential for welding thin materials like exhaust pipes.

[@electricpuddle7]

@@WesternWeldingAcademy thank you for the Feedback 🙏🏻🔥

[@MustangFourSix]

Can i use a welder from harbor freight

[@WesternWeldingAcademy]

We don't see why not

[@sandrorizzi3313]

"Carbon Monoxide" I thought welding fumes were bad enough but welding with Carbon Monoxide? I love it.

[@tntfreddan3138]

Hence why it's such a dangerous occupation. The majority of professional welders "slack" on the safety at least once in a while, or some work in very tight spots without proper ventilation. Read an article yesterday about the Swedish welding industry. They asked a welder of 25 years if he'd ever slacked with the safety, and he just grinned and replied "Who told you that?". He followed up by saying "We're responsible for our own work space. No boss will ever come out and tell us we need to put on the mask, because everybody knows he's done the same thing.". In the same article, they wrote about a case where two welders had been working in a verry narrow area without proper ventilation. It was a small job so they didn't think they'd need it. 20 seconds in and one of them collapse on the floor due to breathing in too much carbon monoxide.

[@Mcdtm08]

It's carbon dioxide not monoxide. Carbon dioxide is injected into all your favorite carbonated beverages. CO2. Gotta love it.

[@tempnullname]

Just curious where your ground is on the exhaust? I’m not seeing it

[@AutoKeycardTyranny]

Probably the weld Table itself is grounded

[@tempnullname]

@@AutoKeycardTyranny I always thought that would arc weld that to the table. I have no welding experience yet just asking lol

[@wrekitfin]

My man looking like Doc Oct

[@figz_126]

This was an amazing video! I would love a longer demonstration? 😮

[@WesternWeldingAcademy]

alright we’ll try next time

[@derrickphillips354]

How do you tell if your too cold or hot? What am I looking for?

[@WesternWeldingAcademy]

Determining whether a weld is too cold or too hot involves observing several key indicators. A cold weld might exhibit insufficient penetration and fusion, resulting in a high and convex weld bead profile with streaks of unmelted filler metal and a grayish appearance, while a hot weld can produce excessive spatter, burn-through, and undercutting, with a whitish or bluish tint and irregularities like ripples or waviness in the bead shape. Additionally, paying attention to the sound of the welding process can provide clues about the weld quality, with a proper weld emitting a steady crackling sound. Regular visual inspection and, if necessary, non-destructive testing methods can help ensure weld integrity and adherence to desired specifications.

[@luisarashirovideo]

I learned welding by using the spot method but with stick, the end result is not a high quality weld lol. But with mig it’s better because is colder and there’s gas. I like cars a lot so hopefully one day I can do some pipes for cars, after watching some videos I found that people that weld SS/Titanium for exhaust charge in their price like $100 and hour for welding with tig. But you have to know what are you doing since it’s a car exhaust, fitting, buying the parts.

[@WesternWeldingAcademy]

Right on! Keep practicing - you might find yourself creating custom car exhausts someday!

[@luisarashirovideo]

hey, ty @@WesternWeldingAcademy

[@Fcnjesse]

Nice

[@WesternWeldingAcademy]

Thanks!

[@PatrickPrice-vd5fj]

Weld done

[@BG-xh5rb]

Great video without all the hoopla.

[@WesternWeldingAcademy]

Glad you liked it!

[@jesse.vr6]

Thumbnail looks like scotty kilmer

[@marcc109e]

That's what he said. No wonder I have trouble. I need to get me a carbon monoxide bottle.

[@WesternWeldingAcademy]

Stay safe out there!

[@erichuggins1801]

Carbon dioxide. Not carbon monoxide

[@adamr8628]

Your exhaust will sound "better" or "louder" No, louder IS better, they aren't opposites. Haha. He missed that.

[@WesternWeldingAcademy]

Thanks for the input

[@cham955]

Carbon monoxide? 😅😅😅

[@scottysutherland3568]

I'm sorry, but too much of this info is sus. He definitely nailed some of it, but there are a lot of issues that beginners are going to run into if they try extending a muffler the way he just did.

[@SaltyJoeI]

tragic video, tragic welding