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Country Discussion Topics
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Any Welders Out There?
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Larry    Posted 09-25-2002 at 08:38:50       [Reply]  [Send Email]

Just a quick question. I need to do some vertical and overhead welding. Which welding rod would be best for this? It's been a long time since I have done any of this kind of welding. I'm sure I can still do it,but just don't remember the rod number to use.


Nathan(GA)    Posted 09-25-2002 at 15:09:02       [Reply]  [No Email]
I used 6010 and 7018 with a DC welder, Lincoln SA250.


Spence    Posted 09-25-2002 at 14:41:54       [Reply]  [No Email]
Been welding with AC Lincoln Buzz Box for 30 years. If your going to use a stndard welder often
I'd suggest you buy a box of ArcAir carbon rods for brazing as they are getting scarce,cost around 35$ for 50 and will last you your(my)life.

But back to the question, if difficulty is experienced in running and overhead bead, the selection of an electode 1/32 smaller in size then normally used can increase ease of welding. This is because there is a limit to the amount of metal which can be deposited in an overhead position before gravity begins to act. The smaller size electrode deposits less metal at one time.

The types used are the same for vertical welding. E6013's for mild and mid carbon is a good all position electrode and gives satisfactory results used with AC. I have heard that years back
E6010(Electrode positive) and E6012(negative) was used. The positives were used for vertical and overhead because more penetration was secured with a lower heat setting. But that's back then. If you can find these electrodes and your machine allows it and you can do it, go for it. But in reality,
you have to also keep hardness of the metal in mind and use the correct rod, otherwise you'll have a weak joint regardless of position.

Difficulty encountered in overhead welding is often a result of maintaining and arc which is too long. If a long arc is used after the weld has beenstarted, the heat of the arc will fan out,heating the area of the weld as well as the base metal on each side of the bead margins. Gravity is at work at all times and when the metal is heated by a long arc, molten metal also forms on top of the electrode and drops off instead of transfering overhead to the base metal intended.

M2C

Spence


mark ct    Posted 09-25-2002 at 09:54:02       [Reply]  [No Email]
i am not a proffesional welder but i do alot of welding. i usualy like 6011 for verticle and overhead work, just remember to use a short arc and keep the puddle from flowing away


walt    Posted 09-25-2002 at 08:52:08       [Reply]  [No Email]
Try here.


Grove r    Posted 09-25-2002 at 09:15:55       [Reply]  [No Email]
Yes, do a LOT of welding, not a licensed welder, just what I have picked up on my own and through job related ventures. The site mentioned will provide a wide spectrum of pointers, read and enjoy. Often thought I would like to go for a welders certificate, but, then I would not have the enjoyment out of it for myself from my own projects. Used an Airco buzz box for many years, untill two years ago I aquired a Lincoln 200amp portable DC unit that I mounted on a "welding deck, as a trailer unit.....just for around the "farm". Saw it advertised in the paper as a 1965 model, that was the selling point....that made it a pre aluminumn model....all copper on the electrical. Wish there were space to list some of my "projects". have a gooder, R.E.L.


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