Flux Core Welding 101 - Self Shielded VS Dual Shielded
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- Опубліковано 7 лип 2024
- Jason Becker explains the big differences between self and dual-shielded flux core welding.
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Question - What are the biggest benefits to flux core welding compared to other welding processes?
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Time Codes
00:00 Introduction
00:49 The Difference Between Self And Dual-Shielded FCAW
03:44 Wire Specifications
05:10 Setting Up Your Machine
06:34 Best Practices For Self-Shielded FCAW
07:30 How Does Self-Shielded FCAW Run?
08:24 Fixing Work Angle And Travel Speed
10:13 Switching Over To Dual-Shielded FCAW
11:33 Best Practices For Dual-Shielded FCAW
12:30 How Does Dual-Shielded FCAW Run?
13:13 How Hard Is It To Weld Dual-Shielded FCAW?
13:35 What Happens If You Run Dual-Shielded FCAW With No Gas?
14:33 What Happens If You Run Self-Shielded FCAW With Gas?
15:40 Pros And Cons For Self-Shielded And Dual-Shielded FCAW
#fcaw #fluxcore #dualshieldedfcaw #selfshieldedfcaw #welding
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Yeah red beard is back. And dont be afraid of taking gas shielded outside. We do it all the time. It can be quite windy outside. As long as you stand with the wind at your back and cover with your body. We use the Kemppi evo 200 one phase machine and run 1 mm 0.0394 3/64 ″ wire. Now Kemppi has the new evo 220amp one phase This can run 1.2mm wire
Jason is the best. Explains things so well. Humble and doesn't try to BS people.
I'll be saving this video, so that I can refer back to it when I have the time to digest it completely. Thanks for posting this!
Absolutely, hope it is helpful.
Red beard! He made the channel worth watching!!
Yes indeed I stopped watching video after he disappeared
I am currently an ironworker apprentice, and fully certified, gasless flux core was definitely not my favorite but in the field it self is a huge help because your not lugging around bottles, makes life a little easier. Love the videos btw💯
Yeah cutting the need to carry a gas bottle around opens up a whole world.
I got my AWS certification in 2012. I wish I could have had this channel in my toolbox back then…sure would have made it easier!
you got that right....
We are just out here trying to help get more people interested in welding a answer questions along the way.
Really happy to see Jason.
That man is full of Welding knowledge!
The best example of this on the net. Awesome work boys
Jason's the best! He's sharp and into the science of this stuff.
He has a ton of knowledge on all kinds of stuff and happy he could help explain FCAW.
Great video! Very informative and educational! Thanks for sharing! 👌👍
Thank you for thorough. Professional explanation.
I use gas shield flux core exclusively, and I love it because it’s so easy. I’ve bent tested and cut-and-polish tested a bunch of my welds and they’re rock solid. And I use a Yeswelder so it’s not high end equipment. It’s probably the most versatile process for the guy who wants to weld steel at home.
Do you have any issues with wormhole porosity on a machine that size? What wire do you use
I used to, but once I started cleaning the weld area with a wire wheel the problem fixed itself. I’ve been using Blue Demon .035 but when it’s gone I’m going to give the Lincoln a shot.
Hell yeah Jason is the man! Always super informative, presentation is always easy to understand, and a joy to watch. Unlike the chuckle head who thinks he's a comedian channeling Bob Ross. I wish Jason had the time to do this full time!
Happy to work with Jason any time we can.
FCAW rocks,Dual shield rocks a bit harder.
I remember back in the day when folks,non welders said fcaw isn't good for structural welds,22 years later I would have to disagree.
Nothing broke yet.
Another reason for the gas-shielding in dual shield wire is the arc will cause the gas to ionize across the arc stream giving you a “hotter”, higher penetrating arc.
I heard you say “sometimes” when you spoke of flux core used in structural work. It’s the most common used. 3” flange column, spices using Lincoln electric 232 fluxcore 072. An LN 25 and a gas drive Lincoln 350. Bring your lunch baby gonna be there a while.
That will take awhile indeed, might need to pack 2 lunches.
@@Welddotcom yup. Time for a mail box. Most of your 8 hour day will be right there sitting on your bucket welding 2’ above slab. Don’t forget your weed burner and temp stick. I’ve got more than a 1000 full pen welds in my career and have never had a cut out. I love being a local 29 Ironworker. But now I’m retired and now I will be going full time custom building cars and motorcycles.
Many years ago, I was a welder on the gas lines in Prudoe Bay alaska and also welded for Todd ship yards in Ketchikan. Musta burnt about a school bus load of rod... sure would of enjoyed a mig back then. They had some wire feed machines but I was told I had to be certified to use them.
Yeah the speed at which you can weld with FCAW compared to SMAW is pretty wild.
I worked for a steel boat company and they were stick all the way. I was an electrician but welded my own racks. I asked the owner why he hadn't gone mig as it was far better in production than stick swapping. Checked in on him a couple years later and he had included MIG. Seemed to improve construction a bit. Can't use it in small spaces and backside of pipes in corners, but it was a big plus on hull and stringers. (Especially on the 100'+ boats)
2:50
Dual Shield. The flux is essentially a heavy deoxidizing agent that rips through millscale like nobody's business, floating it to the top in the slag (which slag also helps support the puddle out of position.) Shield 1.
Shield 2, keep the atmosphere from destroying the weld. The flux isn't designed to do that; that's where the gas shielding comes in.
Dual shield.
That makes sense!
With those self shielded passes, it seems to me that you either turn up the settings so you can get a flatter weld for that type of thickness or do more up and down manipulation as you travel
Thanks for the tip I will have to see if I can get a flatter one like that.
Very Kool, and informative!
Glad it was helpful!
Thank you for watching!
The only things I gotta say yall missed was 1) when he asked about the first pass on the 1/2" plate, Jason shouldve told him to turn the volts up. 2) running gas on self shielded wire is not only wasting gas, it might be detrimental to the strength of the weld. The alloys and deoxydizers in the flux werent designed to have shielding gas, so they're fighting that additional unnecessary contamination.
I believe he was doing it to have a little fun experiment.
@@donsmith9081 Sure. I'm all for an experiment. However, some people may not know what I said and something critical could fail and/or someone could get hurt or die. That was my only concern. I only know what I do because I was taught in school and apply that knowledge at work with adjustments from the more experienced guys that have been held to much higher standards than myself.
@@wargamingsupernoob I Appreciate your reply. Lets hope those people know enough to stay away from all critical welding until they know what they are doing.
Haven't commented in some time as my health tends to tell me when or not to do stuff. I have straight up envy of your table. I am pushing seventy five right soon and just wish we had tools and machines like this in the sixties and even up to eighties. I really don't know when these new machines came to be but golly whiz, nice welds and little efforts for nice looking great welds. Other day I seen my landlord trying to use a torch and couldn't keep my trap shut. He blows off at me and said if you can do better then hop to it. I told him to hang onto my suspenders so I don't get to be a part of it. He had metal starting to warp and nasty looking jagged looking cuts going. He also had been at it for around fifteen minutes and was getting nowhere fast. It took me more time to clean the tip, do a little prep and then slick as a whistle sliced off the offending metal he was messing up. My cut looked like a plasma cut and no slag, just straight and sweet! He looks at me and just shook his head, where did you learn all this? Oh about forty some years ago we had to buy oxygen and acetylene plus it came from the main land so getting tanks out on a job site was right expensive. Best learn quick or learn how to use a hack saw..... he is now asking me to teach him. I just wish tho I had a better memory as I have seen the newer welders that have a great many functions that are right at the fingertips.
Nice story never underestimate an older gentleman. Especially not with suspenders.
😂😂
I started in 1973. Boy, the machines are sooo much better. I know some guys who huff and puff when they say they prefer an old transformer machine. But as far as I’m concerned, they can all be thrown off the boat and used to build a reef. I also like ESAB these days. I’ve got a 205 and am very happy with it. My Siegmund table is also much better than tables back then too.
I started in 1973. Boy, the machines are sooo much better. I know some guys who huff and puff when they say they prefer an old transformer machine. But as far as I’m concerned, they can all be thrown off the boat and used to build a reef. I also like ESAB these days. I’ve got a 205 and am very happy with it. My Siegmund table is also much better than tables back then too.
Dual shield gets you sexy welds flat like a bead of calk and it is more forgiving then 232 self shielded you can push or pull
No problem to push but have you seen the test video where they show penetration test of push vs pull?
Good to see red on the show
Always a treat to work with Jason
red beard returns
Nice Exento LowVac you guys got there! Review soon?
The flux in dual shield facilitates running out of position as the slag actually freezes before the molten weld pool. Also, I’m guessing, the flux contains iron powder therefore increasing deposition rates. I run a ton of it and always say that if you can’t run vertical up and overhead with dual shield, you better find a new profession.
Dual Shield defiantly is super easy to pick up and don't think enough people know about the benefits.
I hear ESAB still has not toned down their turbines.
I ran both running it with 75/25 gas is better to me then the gas being inside the wire
Can dual sheild use 92 argon/8 co2?
You told us the voltage 26 but didn’t mention the wire speed ? What wire speed ?
I do believe dual shield, the gas acts as a coolant for the gun.... I'm not super sure.
Cooling of torch is just an exstra bennefit of the cold gas. But main reason is to protect weld against oxygen. But the gas also affects penetration. The slag helps to suck out Contaminants from the weld. And it works as a mold when you do position welds.
관우인줄?
Dual shield has huge deposit rates
Clean shirt, new shoes
And I don't know where I am goin' to
Silk suit, black tie (black tie)
I don't need a reason why
They come runnin' just as fast as they can
'Cause every girl crazy 'bout a sharp-dressed man
That weld's "got legs, and knows how to use them"
💯💯💯💯💯💯
👀🇮🇪⚓
I hate MiG, outdoors it is junk. Looks like a sponge.
fcaw gas or no looks ,smells and tastes like full pen. Just sayin'.
Dang ole shit ain't broke yet!
We do alot of welding outside using dual shield. Of course not when the wind is hurricane force.
But as long as you manage to position yourself so that the wind is at your back, it can withstand an incredible amount of wind. I prefer to weld with wire rather than electrodes.