flat welds

flange jockey · Jan 10, 2008

hi lads,i thought i,d just have a go at a thread,i noticed a lot of interest in pipeline welding,i can,t offer anything there, but i may be able to give some insight into pipework in general,at least what i come across.

flat on pipes tends to be flanges so i suppose fillet welds,these particular flanges were welded with 3.25 6013 rods, about 120 amps.its not normal to fill out with one run these are only hot water pipes.the idea is pause in at the pipe and a quick wash over to the edge of the flange and back etc f/j

snowcat · Jan 10, 2008

I take it two passes is the norm, root then cap?

Drains · Jan 10, 2008

I see you tack up on the mig - much easier.

What make of 6013's fj?

flange jockey · Jan 10, 2008

yes snowcat, sometimes 3 thats as you say root, but then a bead along the bottem line of the root,and a bead on top of that,ill dig out a couple of pics. simon its tig, tacks.they were fox sum rods by bolher.

f/j

Drains · Jan 10, 2008

flange jockey said:
simon its tig, tacks.they were fox sum rods by bolher. f/j

Ah... must clean me specs

snowcat · Jan 10, 2008

flange jockey said:
yes snowcat, sometimes 3 thats as you say root, but then a bead along the bottem line of the root,and a bead on top of that,ill dig out a couple of pics. simon its tig, tacks.they were fox sum rods by bolher. f/j

Thats always my choice when doing say a T joint, Root, 1 run along the bottom then cap over the top, would you put all your passes in with the same size of rod, or root with your 3.2 followed by say a 4.0mm with the amps higher...

flange jockey · Jan 10, 2008

snowy normally my preference would be the same rod size right through,its just that you know your amps are good.im sure i have pic a mixed though.

heres a couple of pics to explain. i know you understand snowy and a few other lads here ,but bear with me f/j

flange jockey · Jan 11, 2008

as mentioned most flat work would be flanges on pipe, but there are times you can roll a butt,and keep your rod at roughly 12 oclock, i think paul called it 1g.i rarely myself leave these as finished i like to weave a cap, but if you took your time with these and allow them to build more why not.f/j

petedut · Jan 11, 2008

Loving the pics, I have just started to Arc weld and I really enjoy it, although a steady hand is mucho needed

flange jockey · Jan 12, 2008

well pete if your enjoying it your half way there,as regards the steady hand this comes with practice and comfort.sometimes if you are set up for tig its best just to go ahead and do the flanges this way.this is 2 and 3 run methods,amps are high 150 2.5 wire.f/j

petedut · Jan 12, 2008

What is the 'action' you use to get that type of weld? Also when I am Mig welding I always push the gun forwards, is this the same for an Arc?
The colour of the weld under the slag is very nice, all silver mine has all sorts of different colours running through it

flange jockey · Jan 12, 2008

well pete i thought i had explained that, right enough i haven,t,my approach to flat stick is to drag the rod,there may be some who prefer to push,this can cause all sorts of slag problems,so its not for me.these beads come in handy on overhead fillets and branches also heres a few pics to explain f/j

rusty69bus · Jan 12, 2008

Puddles · Jan 12, 2008

Hi flange jocky! I think that is the nicest / prettiest 6013 welds I’ve ever seen!

But just have to ask, why use 6013? I would have thought you would have used 6010. Was the 6013 specified for some reason? :confused:

flange jockey · Jan 13, 2008

rusty puddles thank you

puddles i visit a couple of sites in the states and realise you guys are strictly tied to 6010, 70 series rods .its just that in the small pool i work in 6013 has always been an acceptable G P rod.i have tried 6010 and found them great for roots,the boys in our shop don,t let me use them, too much smoke

f/j

Puddles · Jan 13, 2008

The Internet makes it so easy to see how people around the USA, and the world do things differently. :cool:

Yes here in the USA it seems the go to rods are 6010 and 7018 unless specifically specified. Seems as the general consensus in the Internet world of welding, that 7018 is over used, and greatly misused! People seem to grab 7018 for every little chore, but don’t take the time or expense for proper storage. :mad:

I was just set back by your choice of 6013, I always considered it a low penetrating sheet metal rod, but I probably haven’t run more than 10-pounds of it in my life.

Weldingartisan · Jan 13, 2008

I just don't get it with the USA and 6013's. Why use a 70,000 psi rod (7018) on low carbon steel pipework?
I've been welding H&V pipework for 40 years and never used a 7018. Personally, and for many specs of this type of work I use 6010 root 6013 fill and cap. Obviously for higher strength steels I use higher strength electrodes, but there is nothing wrong with 6013's. W/A

snowcat · Jan 13, 2008

Weldingartisan said:
I just don't get it with the USA and 6013's. Why use a 70,000 psi rod (7018) on low carbon steel pipework?
I've been welding H&V pipework for 40 years and never used a 7018. Personally, and for many specs of this type of work I use 6010 root 6013 fill and cap. Obviously for higher strength steels I use higher strength electrodes, but there is nothing wrong with 6013's. W/A

I agree there a 6010 for good pen followed by 6013's,on LCMS...many people will pick up a 70 serries rod and little realise what there welding, For 90% of my work a 6013 does as good as job as any other rod... theres a few jobs I don the 70 for, but not many...........

flange jockey · Jan 13, 2008

im in full agreement with you W/A ,it,s just the guys in the states ain,t. each to their own. on flanges, face welds, also flat.a handy trick on these is,where possible roll the pipe,thats towards yourself,have your amps high 120 to 130 for 6013 3.25 .these high amps allow you to point the rod tip slightly uphill at the 5 30 position keep it there and roll.pic 1 is this method, pic 2 is flat 3.25 rod 115 amps

f/j

Puddles · Jan 13, 2008

flange jockey you are truly an artiest with that 6013!

99.8% of my welding career was structural, so 7018 was the norm! Until the end of the 1970’s when wire feeds got popular in field work. Then it seemed as Lincoln’s NR-211 was the go to wire, then after the Northridge earthquake in California NR-232 is one of the most popular wires.
Even though being a structural welder I’ve taken quite a few 6-G open root pipe tests. A lot of places don’t want you to take days to qualify, so they’ll throw a 6-G at you. Every 6-G test I’ve taken was with 6010 root, and hot pass, then 7018 fill.

flat welds

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