3G Flux Core Test | BIG .072 Wire
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- Опубліковано 27 лют 2020
- #welddotcom
We've got Jerry Mathison back in the shop running some .072 seismic flux core wire that is typically used in bridge applications, as well as other structural buildings.
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I miss welding! Out of position always made my days fly by. It felt good to walk away from a day knowing you laid some nice to code welds. Now I spend my time in the mountains of Colorado with my DSLR camera capturing nature. Enjoyed the video!
Just an automotive repair professional here but I love hearing from true tradesmen on how to do something correct. Great video
From what I observed, consistent fusion along his toes was a problem and that bulge he said he’d get was because he ran the wire too fast and at the top end of the puddle, You want your wire in the middle to bottom of the puddle so the shelf builds appropriately and washes outward.This is how I was taught and how I passed the D1.1 tests if anyone cares to know, just putting it out there.
1)Root Pass: Preheat 6 inch long 1 inch thick plate to 350 degrees. 140 wfs and 20 volts, try to get your root passes small but fused in order to run a manageable hot pass.
2)Hot pass: 155 wfs 21.5 volts. You want your volts up a bit to make your bead wider and wash into your walls and fuse. I was taught not to hold the sides with this process, just one consistent slow back and forth motion and leave the wall when I see the puddle wash into the toe, never get any of the toe skips as seen here.
3) Fill passes: Stringers at 140 wfs 20 volts
4) Cap: let plate cool to about 350- 400 degrees. Stringers at 135 19.5 volts, I run 3 smaller beads to cap. Increase your stick out if you feel it’s too hot and decrease your drag angle to build your shelf faster if needed.
* Biggest Tips for this wire: keep a drag angle, keep your wire in the middle to bottom half of the puddle( the slag buildup limits your speed), do not rush this process the slag shelf can hold an insane amount of metal if ran right, 1/2- 1 1/4 inch stick out. Push in to get hotter, out to get colder and build the shelf faster, more drag for more reinforcement and deposit and less drag for less deposit and faster buildup. Good luck, if anyone needs specific help find me at @structuralsandoval, I’ll be glad to help 👌. Good video, not much .072 out there.
Yes,don't hold the sides.Alot of people try to use it like stick.
For your root pass, do you hold the sides like he did on the root, or do you just keep the puddle in the middle and move straight up? I need a little help troubleshooting the root. I keep burning through the backing plate.
@@ceasargarcia4914 On everything I’ve welded to this day, with 232 wire, you never hold the sides, the puddle should wash over into where you want to go. I’ve found myself in some roots I do a slight left to right motion or a circle motion just so I get the slag out of my way and keep it below my wire becuase on tight roots the slag is going to want to jump in front of your wire.
@@alberts9086 Thank you.
Jerry is the man, I’d like to have a few beers with him. You can learn a lot from guys like that.
Me too, i could listen to Gerry all day, big respect.
I’ve switched to 072 wire from 5/64. Loose a little max disposition rate, gain of wider operational range. Our productivity on bridge erecting was up, primarily because the smaller wire could easily be turned down to handle poor fit up then increase wire speed to finish joint without switching process. The t-8 wire in 072 has mostly replaced stick welding on earth moving equipment repairs when done in field.
I just bought a welder as a hobby. Don't use it much but love using it to make things or fix stuff. Videos like this just show how on a professional level there is so much more to welding. How it isn't just bonding metal together. The types of metal, metal thickness, wire size, rod size, amps,volts,gasses, polarity,mixture of gasses,proper beads, undercutting, arc distance, travel speed,up,down,horizontal,porosity etc. So much science, experience and technology to bring it all together. The average Joe though,not familiar with it thinks "it cant be hard,you are just melting metal together with heat" Not hardly
DXT61 I wish people on some of the, let’s say, less professional channels, would understand that. All too often I see a guy who can hardly weld, “review” something really cheap, make bad welds, and tell people that after playing around in their garage for three months, they’re ready for paying work. Quite frankly, it worries me.
Awesomely, lots to learn. I’m actually practicing to run this type wire on jobs in near future, thanks again.
Great tutorial! The teacher is one very dedicated smart man. THANK YOU JERRY
Great video for Real world structural application. I use this wire all the time. Pain in the ass to get the hang of, damn near threw my Ln25 out of the man basket when I first started.
I'm at that point now 😅
Main thing is to make sure your settings are dialed in and everything is feeding correctly. Then it’s just practice.
Gotta remember, bigger wire, lower resistance. Lower resistance, lower settings to get the same amperage.
Real world stuff I like this. It’s awesome to see these different methods and it’s great to listen to such knowledgeable guys, the type of guys that you want to follow around.
Always a pleasure learning from a professional
I miss welding and fabricating so much if i didn't have poor heath id still be doing it
You 2 are a wealth of help and knowledge
Should've work full ppe
This is by far the best welding channel on here. Amazing stuff.
Love 072. I run that stuff all day long on cjps.
Yep, I used to run that same wire welding heavy plate, 250lb spools that had to be loaded on the welding machine with a forklift or overhead crane.
Duke Craig wow
Duke Craig... WHISKEY TANGO FOXTROT??? You do realize this is ""inner shield""???I know what you're talkin about but the size of the spools that you are talking about is either gas assisted or automated... Most likely both!!!
Yep, innershield, Lincoln would wind 250lb spools for us for a custom built machine we had where I worked, the machine was entirely engineered and developed where I worked at, for a while it was so top secret that nobody was allowed anywhere around it with a camera, but of course that was pre cellphone days, the only people from outside the company that was allowed anywhere around it were the people from Lincoln Electric, there was even big signs in the area that said "Camera's are strictly forbidden in this area"
Another place I worked at in Cleveland specialized in heavy plate weldment's, we had 2 machines there that took those massive spools of 71M wire and had guns with the "Jog" option on them, and we had the magnetic track Bug-O machines we could set up the guns in although we didn't always use the Bug-O's because despite the plate thickness sometimes the passes would only be 2 to 3 feet so it just wasn't worth setting them up, at that place 3" to 4" thick plate was small, we worked with plate up to 16" thick building press frames there.
The place I worked at with the custom built welding machine had a close working relationship with Lincoln Electric, they used that place to field test new wires outside of Lincoln that they'd develop, the first time 232 innershield was ever run in the field was there although it was before my time, but the old timers there told me about how the people from Lincoln would come down and look at things and talk to the operators and then go back to their headquarters and adjust the amount of different metals in the wire until everyone was happy with everything and that's what turned out to be 232 Innershield, the place was tucked away in the countryside and I guess that's why Lincoln liked to use the place for field testing was for it's privacy.
Jerry the Buildup Ventura?
I like this guy 👍🏼
Thank you!! Hate 3G Flux Core but he made it look like butter.
This is SO helpful. Thank you so much.
Another badass video, thanks for sharing 👍
Thank you. Very informative.
I like this guy Jerry a lot. He's so straightforward, so knowledgeable and skilled with the products he knows the science behind. I don't do D1.1 structural as a Steamfitter, but I'm always up to learn and I really love the way this guy teaches.
I sure would love to see a video on a few ways to check Voltage and Amperage with a multimeter!
We can do that. Super simple 👍
Nice! You guys rock
Nice video. If you were going to test with 233 5/64 what settings would you use for 3G and 4G on 1” plate, V groove. Thanks
The t-6 wire (nr305) isn't normally used for moment connections because it is only rated for flat and horizontal. The overheads still need to be dont with t-8 (nr 232). Rarely they may have one guy fly through with 305 and hit all the flats, then a guy comes in after him and hits the back gouge and overheads. But not often.
T-6 or 305 wire is maily used on column splices with flange thicknesses over 1 inch
thats why he referenced D1.5 with a rat hole meaning that moment connection has 2 flat full pens. where the overhead would be is the backing strip.
I have a 6g 6” xxh open root no backer with this wire. Was the first guy to come out of my school with it.
Thanks for making the vdeo its close enough to what I was inquiring about....which was 3/32 Dualshield D1.8. This wire does NOT run vertical. Were at 30 Volts about 400 Amps.
Pretty Large diameter for flux core I know u can get that 3/32 to fill in thick
hey what happens if you use argoshield gas to cover the arc instead of flux with subarc? I want to see what happens under the flux
that wire welds like that harbor freight shit, thanks for the school Jerry let's have a beer sometime if your ever in the desert southwest
I fell victim to the get it done fast! On a 1" vert. Everything was just rolling smooth, felt like a welding boss....blew a nice big hole in that SOB. Lesson learned!
Thanks for the video very informative
I used to weld in bucket lips with 1/16" shielded flux core I wish I knew what these gentlemen do.
TBF, I've never run .072 wire before, but I've never seen anyone drag fluxcore uphill.
Also, I saw one of your vertical up fluxcore welds, and it was wayyyy better than this.
Jerry's 1st 2 passes have occlusions all down the left side.
His weave is extremely inconsistent.
And his cover, that he was happy with, had undercut all down the right side.
Think you guys can run 5/64 inner shield wire and maybe make 1/4in and some 5/16in welds?? I nk do structural welding for my shop and we run this wire. NR 311 Lincoln inner shield wire andnim having some issue such as porosity, undercut and cold rolls. Just need some advice.
Great video! Only suggestion is to spend more time on the sides and less on the middle. A couple more volts will help as well. 👨🏽🏭
Is it just me, or are all CWI the same? When you ask them to show you and they can’t make a weld, make excuses for how it turned out and say “that would be okay” and you turn around and do the exact same, they fail you. Also, all select arc wires I’ve ran have been absolute garbage, i dont know, maybe it is just me 🤷♂️🤔
Yeah but if you were a CWI you would do the same thing.
Nope, not just you, it’s junk wire
Select arc has always been my least favorite shielded fluxcore to run. Not sure about self shielded. Now esab that’s some good wire!
NR-232 is the best
Those that can do, and those that can't inspect.
una pregunta amigo, que es mejor hilo tubular 1,2 mm o hilo tubular 1,6 mm en vertical. gracias.
Great video and information
IMO, as good as any welder is it's a bit tough to see the characteristics of the product through the variable of the welder(person). IF, the welder is consistent try benchmarking the Select-Arc product with LINCOLN's NR-203 or Hobart's Fabshield 8. With some fine tuning(optimizing), one could realize difference in wash, spatter/splatter level & even self-peel slag etc. Good video!
Quick question i have a welding test coming up at my shipyard and the test consists of the same 3/4 in plates but the wire size is 0.52 . What would be good machine settings for both the 3g and 4g postions?
ask your tradesmen
they are onsite, know the conditions an machinery.... ask an relax
Hey Red Beard what are you using for ear plugs????
Very informative video, really enjoyed it. Watching the video and being somewhat new would this be considered globular?
Yes
Rough root pass there 3/8 gab no need to weave just run it steady let it fill till your edges burn.. you can see when he cleans his root the issue with weaving the first pass lots of little spots that could hide slag inclusions
Great Video!
Would this work well for heavy equipment repair like welding on grade 50, hardox or AR400+ plate? Also what kind of amperage was that running?
Most of those plate you'll be wanting metal core wire. Better deposition, higher tensile strengths.
@@mikeford963 I should have specified that my intent was for repairs in field where something like metal core requiring a gas shielding would not be a realistic option, but trying to improve deposition rates over something like 7018 or a higher tensile strength lohi rod for all position use.
@@markbreidenbaugh6033 Yeah, that's going to be difficult. There higher tensile lohi rods. Also, 7014 and up rods that aren't lohi but have the same characteristics as 7018.
Self shielding Flux core is a great option for field work. And there are products available for higher tensile and specialty steels like you're working with.
so, Jason, you are saying that size DOES matter? LOL. Great video for those who do the "big boy" work.
Very helpful!!
Nr 232 is boss wire, it takes some practice nothing like running dual shield but it’s easy as anything with some practice
Is that downward angle on 3G to keep from cutting into the metal?
Why such a thick wire size? Does the AWS wire test use the same size? Asking because I will be taking a test in the near future. Thank you.
Hello, interesting, it is possible to weld with ceramic in an overhead position?
Yes with practice you can weld any thing
We run 3/32 fluxcore dual-shield wire, what is the size difference between these two?
Keep this puddle as fluid as possible. Never pause on the sides of your root pass, turn it up if you have to otherwise it cools so fast and you get those ugly pockets. Its hard to explain what the puddle should look like. But this wire shkuld run like gravy into the toes with little effort
T1, A500, A400 steel plate, I would absolutely love to know what to weld that with to keep the strength , I didn’t know what type of Meg wire to use or if there’s a certain type of flux Core wire to use, just looking to learn more about it and you guys are awesome with your videos and very informative especially for us who need A little help in guidance, hoping you can help. Thank you for taking the time to read this even if you can’t do a video a response would be great👍
As a start you might look at Hobart's Fabco 110 per AWS A5.29 class E111T1-K3 MJ H8. The filler metal is kinda based around but not limited to ASTM A514. Good luck.
List of Weld Parameters for the same T-8 wire but 5/64 diameter? THX!!
Thanks
T8 WIRES in reality if you're outside is the best option no gas needed very ductile material super tough
Thanks for the hot poop bag of trick's 👍😎
Just bought a Multimatic 255 last year. It’s a 350 amp machine. The largest wire I’ve ever ran is .035. Just bought some .045 solid wire and some .045 gas shielded flux core. Gonna play with it this weekend just for fun. I can’t imagine the bead that .072 can lay down. Wondering what welder can handle that. Anyways, I will occasionally fabricate some kind of implement with 1 inch plate or thicker. But to be honest, my welder is usually configured with .030 solid wire. If I need to glue two thick pieces together real quick I’ll just stick weld it. Can’t even find electrodes big enough to max my Trailblazer out so I’m good. I actually find myself stick welding quite a bit with my Multimatic. It runs 6010 like a dream. Almost can’t tell the difference between it and my engine drive. Very good machine. Both of them.
Miller CP-302
@@anthonypereztovar91 just looked up the CP-302. Very cool. You trying to make me spend more money? LOL. I bet that’s an experience to run that full throttle.
Can't wait to run that .072 through my Titanium 125 on some body panels!
the absurdity of this comment is underappreciated
@@theuniversalbean9352 Succinctly put...
Do a bend test on it, that weld didn’t look great unless I’m just that unknowledgeable
R.B.S weld
theres a reason they didnt bend it, it is a mediocre weld. that wire is dead simple to run once you are dialed in. hold the sides for 1 second or so each side, move fast across the middle. the puddle wont fall out on you it freezes fast with t11 and t8 especially. t8 you just cant fuck up if you run the right setting and keep the right stickout, its like 6010 on a spool.
@@redmorse4321 there are onley 2 types of weld ..acceptable and not acceptable it probably wasent the most aesthetically pleasing but it was good enough
I thought it looked lumpy and irregular but I've never used wire that big. I didn't think his first pass looked good either. Maybe that's just how that wire looks. I have to give him credit.
It wouldn’t have bent. If your root isn’t tied in good the test won’t bend.
Could this be comparable to open root pipe?
Is there an overhead 4g with this or 5/64? If not can you make one? Please.
Yah I run 711 flux 1/16th with gas, I run verts 28.5v 270 and the beads lay smooth 3g . I haven't tried it with out gas looks toldly different
I think hes talking more about welding in the field
"Thats correct" said like a boss.
How do you check voltage at the arc, like in the beginning of the video?
Also a question I had
Good job tough wire to master
Can u run dat on overhead as well?
Whats the difference between T8, T11 and Gs fluxcore wire
"[...]flux core in the shop[...]" - yeah, that sounds like some kind of hotbox inside :D smokey joe
On what planet is that a proper finish weld or for the milenels a proper finish pass???
I've ran some monster flux core myself. I used to weld up Brush rakes for Fire Line Bulldozers.
Can you try out a titanium unlimited 200 for starters?
If you think your root and second passes looked good, you should be the CWI on the job I just came from. You’d pass all the welds I’ve been fixing.
the whole weld looked like shit, considering it was done by an old timer 'expert' in a controlled perfect world environment.
Red Morse I stopped watching after the first two passes.
How are you guys running .072 out of the esas 285ic? Max specs on it says 1/16th innershield which is .062, can this machine run .072 or did you guys change to bigger rollers, etc?
We swapped out the rollers on the machine for 072
Weld.com Thank you, that’s just what I wanted, an inverted that can run .072 thank you. Will any properly sized .072 rollers work or Specific esab ones?
They are running lower amps than you would with dual shield from what it looks like!
Montana farmer Yeah, dual shield runs way more amps than innershield.
I honestly thought you had to run that t8 hotter!
I'd love to see some 410NiMo wire
Can you do a video on earthmoving and construction equipment. Please thank you
What in particular? Repair, hardfacing?
wish you'd talk amps, wide speed means different amps on different power packs, but great vid thanks
On our machines (LN 25s hooked up to a rectifier) we adjust Volts, not amps. Amps should be more or less changing constantly unless you have machine-like stickout control... volts are constant, however due to the constant arc gap. Opposite of stick
I take this test tomorrow with 1in plate and no grinder. Ridiculous that they even allow that
Why the welds look like theres no penetration?. Is this how it's supposed to look?
Hello, I really like your program) Could you include Russian subtitles?
When are you guys going to do a video on ceramic backing tape 1g 2g 3g
I've been asking this for months.
@@mightylaidlow1 maybe if we keep asking they will put one out. I just did a test on a 3g n I suck
For 3G i do long, steep "U" pattern, coming up high on the bevels. And STAY IN THE PUDDLE!! when coming across the root. Come outta that puddle and you'll poke thru!
1/8" gap & 3/32 land
21volts & 200ipm
Fit your plate us with 3/32 land 1/8” gap. Make sure your tape is straight and centered. Keep the wire speed low as possible on the ceramic, pull it along, and stay in that puddle!
I had a test on a 5/8 plate 1/4 gap 12inch long plate
anyone tried running flux core in U feeder rolls, that is the rolls used in soft wire
Make absolutely sure your angle is down like his that wire will drive through 1 inch plate like a hot knife in butter
Do you gotta have that same angle with dual shield?
@@mightylaidlow1 this angle is common due to the wire thickness. Also the same with ceramic tape.
@@stephenm2749 I run 1/16th wire and usually keep it right on 90 degrees
@@mightylaidlow1 and I usually do also. The angle may also be related to fcaw-s on vertical. I'm not really sure as I have not ran any of this wire.
The drag is a huge part of running this wire correctly because of the huge slag shelf that is the only thing that holds this bead up, the surface tension alone cannot sustain such a big metal deposit. With a drag, even if slight, you’re firing into your puddle and building the shelf to maintain your bead.
😂😂😂🤗🤗🤗🤗.. that's what my stuff kind of looked like in the 1970s... My welding forman's favorite saying was... IT LOOKS LIKE ...DOO DOO!!!😂😂😂🧐🧐🧐🤫🤫🤫🤫🤫
We run our 3/32 (.094) with a quicker weave pattern and you can’t tell the difference from a flat weld or a vertical
Try weaving faster and hotter👍
TRIED GRINDING THAT IN THE FIELD
Can we get this in overhead
Out of all the flux core wires I ever ran the t8 especially nr-232 is the most tricky difficult to run specially .078
I think these guys are running ESAB core-8 which is easier.
232 is the worst!! Lol definitely not user friendly at all. If you’re off with the stick out/work angle it’s going to weld like trash or just blow a hole right though the plate. 233 and 305 are my jam. But I also have heard the Esab and even Hobart have core8 wires that run amazing
We run nr -207 5/64 on almost everything outside of the shop out in the tank yard but we run it all downhill.
what happened to Bob?
why is he not doing videos anymore?
we want Bob back!
Chandler Brown I miss mr bob too but give the red beard a chance!
Now do the 1" plate test with 3g
Not allowed to use the grinder/power tools
Newbie why the big gap between the two metals. Smaller gap less Weld i thought makes for stronger weld. 🤔 please explain.
@Swampy thank you i appreciate that
What, no bend test?
And I wanna see a side bend on those coupons!
I had no idea 072 wire even existed! Wow!
Building rockcrushers we used 1/16" dual shield for thick material and 5/32" on real thick material.
@@joedirt2862 you mean 5/32 sticks right?
@@theuniversalbean9352 dual shield 5/32" flux core wire . It was so hot I threw away my left hand glove after every pass around the roll hub. One pass took 17-18 minutes.
@@joedirt2862 holy jesus thats some big wire
@@theuniversalbean9352 it sure is . Some cover passes were 3" wide. I used my old school hood with glass lenses stacked to make it shade 15.
Timestamp 3 minutes and 19 seconds!!!! One of the few guys I've seen..on these videos that's most likely been there and done that 10 /12 hours a day.... THE GIVEAWAY IS THE LEFT-HAND GLOVE PROTECTOR... I'M NOT GOING TO GET INTO IT BUT YEAH THAT'S THE ONLY WAY YOU COULD TELL THIS GUY HAS BEEN THERE
Tiger discs? Thought that you were a dedicated Pferd consumer!
We use both
8K nice
In my experience I like to point my straight in - 5* down or so
Me too. Even less down on fillets
🤘