Pipeline Welding - 54 Inch Section Work
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- Опубликовано: 6 сен 2024
- This video is a rarity on my channel simply because it's one of the only pipeline videos I have which showcases uphand welding techniques. More specifically 7018 vertical up in the 5G horizontal fixed position. Pass sequence was as follows;
Bead; Vertical down 6010
Hot-Pass; Vertical down 8010
Fill And Cap; Vertical up 7018
Don't ask me why.
The linear length of the entire weld is 170 inches. It's pretty big pipe!
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Im a welder helper down here in Louisiana on the sasol mega project and we are welding anything from 3 inch to 108 inch
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im from malaysia
i love a welding.
because its is a art... sorry for broken engglish.
supar job
You been working on some big pipe out there
Nice bro congratulation
My guy underneath is a champ. I wonder how much shit was falling on him lol
Is that to code API1104? Ive never seen main line using 7018.
Is there any instructions about not using E7018 In API 1104 code ?
I will be thankful to know that information , or you ask your questions just because you never seen that ?
We're about to run a 12" line that the mainline will be all downhill but the tie-ins will be uphill. They say the reason is the coating..... Mainline can't coat for 48hrs after weld is complete but tie-ins can be coated the same day with the uphill(7018) procedure.
My company made pipe for a 700 mile run 12 3/4" .354 wall when they went to test it, it was leaking, so they cut in in half till they got down to about a 12 mile section they knew it was leaking in, then they brought dog sniffing dogs< hahaha I know, and the dogs pin pointed right where the leak was, it was right at the end of the pipe right beside the bevel, it was a pin hole, the reason ultra sonic never caught it was because when they put the probe on it they had to start a few inches in cause the probe wouldn't sit flush at the end, so now every pipe is From end to end, after over a million dollar fuck up.
The 48hrs is probably taking hydrogen embrittlement and hydrogen cracking into account. Leave it 48hrs before bombing it?
The cap/fill is uphill on pipelining ?
Dude, where are all these tie-ins? It looks like the same place. Are you guys Independent rig welders or are with an outfit?
can't believe you guys don't use bugs, I though hand welding was a thing of the past except for small bore.
We hand weld everything
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Hardisty? I've heard of this combination of passes before.
Hey Azazel nice to see another upload you had me worried on the last one........How long does it take to finish a weld like this..as in from start to finish.
How long would that whole section take ?
Stick to the Stick Welder with site and field work....Might be slower... But less troubles.....👍
Where’s the sax tho?
i noticed 2 ground cables going into 1 grasshopper. are two welder's sharing one ground?
they do that to prevent arc blow... or at least reduce it.
sam d; 43 years welding and i don't recall ever seeing that. you learn something new every day. thanks for the reply.
Not a problem. I've actually got zero experience with pipe, I've been welding structural stuff for 16 years, but I recently became a CWI. I recalled from the books that when you have 2 guys burning on a pipe the configuration of ground location is critical. The flow of current creates some magnetic effects that screw with the arc. Ive also seen some threads on LINKEDIN about it, its pretty common on some of these new high tech anti corrosion materials they are using for pipe these days.
To prevent magnetic arc blow my friend, it's D/C welding don't forget.
I loathe and despise D/C😠, give me A/C any day of the week, the old arc blow winds me up something Wicked🤗👍
فكرة لحام الانابيب المعدنية تستهلك كهرباء ولحام وأيدي عاملة وخسائر فادحة نتيجة الأخطاء التي يتم الكشف عنها بالتصوير الإشعاعي وغالبا تكون ثقوب صغيرة جدا لا ترى بالعين المجردة رغم ذلك فهي خطرة جدا لانها تودي إلى تسريب المواد التي تنتقل عبر الأنابيب كالبترول أو الغاز أو المياه والفكرة الجديدة هية البايبات الممغنطة تولد حقلا مغناطيسيا ليجذب الانبوبين فيلطش الانبوبين بقوة ضغط بينهما والمواد التي يجذبها المغناطيس الحديد والنيكل و الفولاذ وجميع المعادن القابلة للتمغنط وتسمى فرومغناطيسية
how much you guys make?
and is it stable work?
Just curious because it's interesting. Why did they specify a different procedure rather than the usual downhand pipeline welding?
I know most welding is vertical up. But a lot of pipeline work is vertical down. I am not a welder, but I worked on pipelines, the ones I was on were all vertical down.
@@wailnshred could be a high pressure line? Fleet root and HYP fill downhill is ok for speed and for low pressure lines, but no good for higher pressures
@@kf8575 I guess so.
How long did it take to weld that part of the pipe
Habe ich auch schon gemacht mit 4 Schweisser PPS
I wonder does this affect your vision after a while ?
Not if you wear proper ppe.
Good video. These companies sure are liking low hydrogen rods anymore.
Much higher quality end result from 7016 or 7018, thats why👍
Just a curious question ..what is the main reason 90% or better of the welding on pipelines is down-hand ? In school we were taught uphand for just about anything
yes I could see that too... if it isn't smooth inside the pig will hang up which would be a real problem . a few years back we had a 30" I believe it was natural gas pipeline installed through our hunting cap property it was really interesting and neat to watch glad i took some pictures
About the pig catching, I work at one of the biggest pipe making companies in the world, when we do line pipe it always has a flat spot on the inside of the bevel, going right around the pipe,so when you put the 2 pieces of pipe together the flat spot which is usually .030 or .060 so those ends would be the only parts touching each other before the weld, so no chance of weld going on the inside of the pipe. Do those pipes have that ledge (flat ends).?
@@rogerbrandt6678 I believe those flats at the bottom of the bevel are there to give a ledge for the fitters to accurately space the pipe sections apart slighty before welding. With that small gap, the first welding pass is an open root weld. They burn a continuous "keyhole" pattern with the arc and fuse those sections together right through to the inside.
Very little weld shows through in this manner. A .030-.060 thick ledge isn't going to stop the arc from blowing right through. It'll be messy on the inside of the pipe. With an open root weld, it's very clean and with the keyhole pattern, both sides of the pipe are properly fused.
There are a few reasons that downhill is used on pipelines. The primary reason is speed, 6010 is not low hydrogen so fast speeds and high temps are required to introduce enough heat to allow the majority of hydrogen to diffuse from the weld. That is also why root, hot pass, and cap are all quickly put in without a delay to cool. Another reason is that downhill with 6010 leaves much thinner weld deposits, the cross sections of the beads are flatter and smaller then a fast fill rod. Because of this, the welds tend to fair better when expanding and contracting with heat/cold, as well as better flexibility when under strain from ground movement. Another reason is cost, it’s faster and cheaper to run 6010, since you need it for a root pass anyway and dealing with low hydrogen rods can be a pain.
@@rogerbrandt6678 They are called "lands" they are there to give some more meat for the root pass. Most of the time in the field these lands will be dressed up to the welders preference. Also as you could imagine a large portion of welds especially those tht arent mainline, are made on cut pipe so the factory bevel is not a factor, we make our own.
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Big fuckin pipe nice work. So you are non union if you are independent and do you weld full time just curious if it's stable work.
Are you considered one of the best on uphill among the other welders
Well I’ve welded for 20+ years no I think u do a pretty good job
R u working out of a union out of British Columbia?
one pass?
Great skill welding, do abit myself, sometimes it comes easy, sometimes you can struggle, don't know why, might be concentration levels.
Great vid bro keep then coming!!
I wish I was welding with you guys
wooooo uphill we goooooooooo......
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Eu não falo espanhol mas entendo português, varia mucho, entre 35 000 dolares hasta 200 000 dolares al anio, depende de la experiencia y para que compania trabajes, suerte encontrando algo :)
It depends on if you're working in a shop or in the field, which state you're in and what kind of welding you are doing. The pay isn't as good as some think. In maryland a d1.5 welder, bridge, makes between 28.88/hr in your pocket with another $20/hr retirement to $40/hr in pocket and & $8/hr retirement for scale pay. Obviously with experience and time at a company you can make more. Shop welding starts $18-$20 an hour
@@viking8781 welding is sadly overhyped as far as pay goes. Probably the worst average pay of any skilled trade.
LASTIMA PORQUE EN TODO EL MUNDO ESTOS TRABAJOS SON PASAJEROS NOSOTROS NOS VAMOS Y EL TUBO SE QUEDA
mnogo dobri
منورحيدرباكوره
A lot of safety issues on this job.
lo hi all the buddy
So you wouldn't recommend a young person doing this for steady work.
Shoot'em Game Birds NO !
6b
منم جوشکارم
:)
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