TIG Welding 6G Pipe Root Pass
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- čas přidán 21. 08. 2024
- When we talk about 6G pipe welding, we are talking about welding two pieces of pipe (of any size or material) together in a fixed 45 degree angle. Being able to weld in the 6G position will qualify you to weld in any other position. It will not, however qualify you to weld any material in that position. In this video, we are going to show you how to weld 6 inch Carbon Steel Pipe in the 6G position to help you pass a test or get a job.
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My instructors keep telling me that I need more build up on the inside of the pipe for my root pass. But none of them can actually show me how to do it themselves.
I'm older than both these guys...these guys really are old-school great people who give their time and wisdom and make this planet a better place. Some day I'll get enough balls to WALK THE CUP
Oh man, this reminds me for my 6g exam! 45° 60mm pipe 3mm thickness and the top highness of thah pipe was same level as my eyes. You can't use wall to lean on or some other support. There are just that pipe, your shaking hands and three people watching your agony :) But I did it.... almost perfect.
Love your videos, because no matter what experience I have, every time I learn something new and interesting.... which makes me better TIGer ;)
I am very confident. I have been working in the field of welding since 1992 and have worked in oil refineries and bridges stores, noting that I am a welder with electric tubes and tig
Glad to be of assistance!
That is correct. Move up on the bevel and lengthen the arc to decrease amperage and snap out of it. Since you are using a manual torch you may post shield with argon.
This is a personal preference. I personally feel more comfortable looking through the inside of the pipe at a slight angle so I can see the wire and the inside of the weld pool on bottom. I have also looked at it from the outside while on bottom as well but it seems to take a longer to complete the weld.
I thought that as well.Never seen it, much less tried it. The 6GR seems to lend itself to a small mirror. I tried the mirror and it looked like I was a novice. Practice, practice, practice they say. Good luck and best wishes.
This answer requires more characters than allowed by CZcams. I created a new thread on the forum specifically for this question. The link can be found at the bottom of the description.
Thanks.
The test is the easy part when u get in the pipe rack with a safty harness on is when It becomes harder
We get anything from generic to ESAB / Lincoln filler wires. What’s important is the GRADE for filler wire. We mostly use ER70S-6 for our carbon steel pipe welding with GTAW.
Weld.com do have any video's on welding p91 chrome
Gonna try this method tomorrow. Practicing 6g this week for my test-plate which is coming up soon.
Thanks for sharing, looking what other welders do helps me hopefully improves my welding techniques .
The angle of that pipe is still considered to 6g position?
Lead angle on any open root pass regardless of position may vary. 0-15 is usually for structural fillet joints. I have not had much luck with a 0 - 15 degree angle getting the open root pass to progress (flow) upward. Try using the 25 - 45 lead angle and keep the wire on the leading edge of the pool for complete fusion and reinforcement.
A student from India...
Awsome Tricks and Teaching
I love it
He actually did weld the right side. unfortunately we were pressed for time and were unable to capture a good arc shot. we can post what we did get if you would like to see.
Very nice technique. I love the way you explain about the root welding process. Really I love watching the video very much.
This is a blessing to me thanks guys I have all structural experience but I'm confident I can do this
I sure would like to thank you for the informative video. I've been a welder for over 20 years and I can't seem to pass the 6G carbon test. I'm AWS 6G certified, (I paid for that waste of money) but when I go to take the test my root is ok but my hot pass and stick cover suck! I have my own 200 amp tig rig, I'm now going to get a DC power source that has finite controls. Practice, practice, practice. I know I can do it and I'm sure by watching a few more of your videos. Thanks again, keep it up!
Did you ever pass it?
@@snowkracker Yeah, just did some hood time and it was easy.
There is no need to purge carbon steel pipe or plate. Simply clean the material about ¾ to 1 inch away from the root on both sides.
Great video, I'll start practicing that position tomorrow after work. Thanks!
“Mr. Tig” had to go get Bob Moffat to do some real tig welding.
BOB is the REAL “Mr. TIG”. Bob is a real bad ass old timer. Everything he says makes sense and has wisdom, no bullshit. He actually HELPS for cert. prep and practice. This other white haired pretender is a baby sitter. He is an insult to most people’s intelligence. A bullshitter. Its almost like there’s a bunch of five-year-olds watching and he tries to interpret actual welding stuff; or for people who have no capacity for welding, people who never actually going to get in the industry or have zero intention of actually getting a welding CERT. (he talks like he’s teaching ABC’s to people that can’t speak yet.). Other people must feel the same; never see that white haired baby feeder anymore. The new weld.com videos are bad ass! Thanks Bob!
that is wonderful sir one has to dip in the filler wire in write in the groove for sufficient penetration and also mind your preparation and and settings depending on the thickness of the filler wire and the thickness of the pipe.
I think mr tig and bob moffet booth know their stuff this is a instructional video and they have a time frame to show everyone how a 6g weld is done like bob said there are three ways to weld a 6g pipe they cant be perfect all the time some times you make mistakes
Also structural steel tubing Bob.
Thank you for posting this video. Very detailed on positioning. I myself have the 26FV miller tig torch and trying to get the hang of this large torch.
DEPENDING ON HOW HIGH OF AMPS YOUR USING,TRY LOOKING INTO A CK TIG TORCH.CK WORLDWIDE.COM
I Love Welding..
I work Welding in Malaysia..
i want to see bob moffatt do a 6g video using stick
A legend is (was) born.
I like the technique of feeding the wire through the inside of the pipe... Very cool. Will be interesting to see it when restricted.
Thanks for another great video. Keep em comin
Bob is definitely a first class did u see that 1 /16 rod technique master old school burning he started from 6 went to 12oclock perfectly
That was a great video, thanks for sharing. That guy kicks butt!
I weld the bottom of 6g with the rod on the out side of my pipe.Have had problems with gap closing shut. Also i put four one inch tacks on bottom top and sides.
8:34 "you like that??"
Calm down there Kirk Cousins😂
Thanks a lot mr. Tig especially mr. Bob. this video teach me more about root. i bet u use 60-70 ampere
Very informative. Excellent craft skills.
thats great bro but thats good if your doing that then your feeding the wire from the top inside of the pipe. if you can do that you can weld almost anything and any size
this video sure helps, thank you
Walkin that cup! Very nice good job with editing also!
I believe he is very good welding teacher.
And handy man i wish for him good futur regards
Funny how the guy used to call himself "mr tig", yet could only weld flat on a bench 😄😄
I wouldn't say I sweat bullets but I am still in collage learning this weld now im more nervous about my lack of skill than the weld type
A lot of places still blind both ends of the pipe off. I guess it just depends on how critical the job is that they are hiring you for.
Did the hardest pass for a righty first. Real welder ladies and gentlemen.
Did u guys see the restricted test known as 6gR. Hes definitely a master welder
Muy buena soldadura y muy buen video, saludos a los colegas desde Uruguay
please put sbtitulos in Castilian! Greetings from Argentina ha ha great quality videos and very good perception about the process tig!
I love welding
In a perfect world, 100% penetration welded from both side is accessible only if the pipe is that large and you have that much room to weld the inside. An EB ring or metal backing would do just fine for a 6G. Welded from one side, you have to worry about suck back or concavity.
Joy Grady-Hilton you cant put a backing ring in ASME IV bahahah. your nuts. its nuclear, petrochemcial code. 100 percent x ray. severe cycle... chemicals like chlorine running through it. pipes operating at 1000F plus.. and 400PSI...
Just because the ASME code doesn't allow it, doesn't mean the other codes don't. There is more than one welding code lascoob. I've dealt with catapult accumulators with a lousy cap pass that cracked down the middle. 1000F is nothing to launching a jet off a carrier. We fixed 14 8" SS joints with a backing ring. Worked just fine.
I have also worked on fuel gas lines for jet engines. Inconel 25-35
Falls under asme IV or the companion military code.
No backing ring. And a backing ring will disrupt flow and cause stress on the toes of pipe.
You can have a backing ring without disrupting the flow IF it is manufactured with interior bevels. Surface Ship's have a specific requirement for that to use in different fuel flow systems. I've worked with Titanium 10S on sea chest and condensers..different scenario where we welded open butt with a purge.
Every rod mfgr has their own handbook on all their rods with a description of the rod(s) and how it's used. All your welding supply stores will have these available ... many will give them out for free or for a low price.
Grandpa Bill
the tig and mig pipe welding were awesome the mig helped out a lotou guys I coudnt figure out how to get the root never thought a 5/32 gap if you guys could do one for stick welding pipe I cant perfect the root pass
Root looks great!
I "think" I saw at least two flaws on the inside.... near the end of the video when you were looking inside with the flashlight.
Grandpa Bill
Hi he is very good welding supervisor. I which him I believe he is professional 😉
este señor a la edad que tiene sigue siendo una persona muy respetable ,por como desarrola su trabajo ,se nota la experiencia en el .
Good camera work.
Great job guys, keep welding
Buen tutorial, gracias desde Perú.
Enjoyed the vid. Tig weld up the left, left handed and up the right, right handed as normal. But! I’d never walk the cup on a root, it’s a good demo but I’d never teach it. I’m used to putting roots in that look like a ‘wedding ring’. Walking the cup n dipping the wire, it looks a bit flat or sometimes under. Btw your gap is huge! Takes longer to weld plus more material, I find it bizarre you feel the need to feed the wire through the butt on a easy accessible butt like that. Anyway every welder is different, happy welding
You know, I have probably watched this most excllent video 5 times. Matter of fact, I think it's the first Bob Moffet video I ever watched. I am just now noticing the Boomer Sooner weld cap. Need to find me a Longhorn welding cap - Hook'Em!!!
Very good Welding..
I like this Welding..
The way you have the pipe setup, although in the correct position, as regards 6G, you wont find in practice, many test facilities in which you are able to clamp on top, all have anchor point bottom, ask any UA welder.
yes you are right.
northern soul UA has welders? humm thought they were all cry babies... on the job we took over they were as they loaded up their tool boxes any way.
Robert Mayo haha union gets run out all the time
la scoob that’s funny my steamfitters union takes all none union jobs... we run them out
Vén fasz jó hogy tudja egy Fiatalabb Emberre lennék kíváncsi én 17 éves vagyok a HL45 már megyeget!! Gyakorlati cégem ahová járok! Azt mondták maradjak itt mert AWI-val nagyon ügyes vagyok már most!💪🖖
Thanks for the tips.
Awesome video
always get instruction from a certified welding instructor, journeyman or master weldor.
Also have been welding pipe for 32 years.
"Oh yeah" 6:30
LADIES....you're welcome.
8:34 "you like that??"
@@graffiti0saves lol
Thank you very much for the upload Welding video very helpful to me thank you sir
great video!
I do not like the method of place the rode through the pipe. I like to make my gap about a 1/16" less then the rod and when welding I just pause in the middle to ensure the reinforcement is weld is about an 1/8"
If you can weld 6G, you can weld anything
Currently in welding school having a lot of trouble with this one theirs time my teacher has me redoing it
Nicaragua saludos oye ya buena la clase
Excellent video thanks!
requested information in order to adjust the machine to the material to be welded agree amps, voltage, and choose gas welding material handling also can fit the torch movements welding position.
Thank you.
Am doing the 6g in somedays but i never learned to "walk the cup" would like a video about that
what amperage/voltage range use for the root and you move the rod side to side o no
Nice and smooth
Tig Time Grandpa looks like he never welded a day in his life
Please upload a video of how should do i best root quality and 2mm root in inside
Akash Bakshi feo
The Great Godlike Bob Moffatt
Oklahoma.. Now I really like Bob😁
Hi mr.tig just want to ask if you can post a video on how to repair a tig root pass. Ex. Lack of fusion and undercut
good technik.. i like
This is great stuff what school dont teach the video covers
hi guys i have a test 6G position on 6 inch pipe, and my comment on this video is : the root run must be 2mm from in side of the pipe but on this video it's flat, so it's no't the proper way to do so if you have a 6G test. thanks yooo
I like to see a 6G root pass but with stick or a 6G on carbon steel pipe a 3" inch
Great job
What amperage do you root for?
I would like to see a video you tig or stick weld 6G position on the right side of the pipe. But good welder tho.
mr tig thats a most unusual way of pipe welding . i ve not seen the wire fed thru the gap to the bottom
Where do you live? Up north? I 've seen guys feed the rod from the top at the 12 tack straight down.
Cowley College → Kansas / Oklahoma area is where this video was shot.
Weld.com Yes sir I know you are in Kansas. I was talking to the commenter of this post, simon new.
I live in south Africa . I be bin following various ways of tig welding & found the particular way of coin the 6g weld very different & was hoping to get sum ideas bout the welding techniches . I m interested in doin gig welding
I do it everyday it makes it alot easier to make sure you get good reinforcement inside the pipe.
Bien,masterweldiing.
As a Certified Welding inspector professional Xray reading master. I xray welds for the bullshit company on the corner of shit and talking lane. (Someone will say some shit like that) there's always 1. Mr Bob is Legit. He has a good trick with the bridge tac.
MEGUSTARIA TRABAJAR EN LA PARTE DE TUBERIA PARA TENER MAS CONOCIMIENTO PERO EN EL EXTERIOR
Just outta curiousity... do u have any tips or tricks on window welds or say 6g tangent welds?
even when you are testing! why work hard when ya can work smart! lay wire in from the backside when ya can do it, that too me is just smart money . ensure's a good root pass! i'd hate too do a joint and then go backwards to the root with a grinder cuz i flubbed a root!
When you are use to pushing the rod in, you know what the other side is gonna look like and it keeps you in practice. Heat on outside = weld on out site, heat on inside = weld on inside
Billy Tabor filler rod on back side of bevel = good bead and full penetration . filler rod infront of bevel or fed flat on bevel = shop welder.... bah
Makes it look so damn easy.
Nice job