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Tool Talk Discussion Forum

Re: Couple welding questions

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JD Seller

02-15-2013 22:16:11

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Did some bridge welding in the 1980s. Some of the beams where 4 foot tall and had an inch thick web. We ran 5/16 rods at 400 amps to fill the vee on those big beams. All the welders where gas powered.

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Stan in Oly, WA

02-15-2013 23:35:04

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 Re: Couple welding questions in reply to JD Seller, 02-15-2013 22:16:11  
I've heard that it's challenging to weld out of position with big stick electrodes at high amperage. Was it, or were you able to do those welds in the flat position?


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JD Seller

02-16-2013 12:41:21

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 Re: Couple welding questions in reply to Stan in Oly, WA, 02-15-2013 23:35:04  
They where all flat welds as this was a new bridge. We did repair some older bridges and there we had to weld out of position on most of those welds. These we usually used 9018 and 10018 3/16 rods. Set the welder usually at 175-200 amps.

When we where doing those flat welds they sure created some heat. I sure pitied anyone that had to do them in the summer. We where welding in the winter. You kept warm.

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Stick welding

02-15-2013 23:42:23

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 Re: Couple welding questions in reply to Stan in Oly, WA, 02-15-2013 23:35:04  
Had to be flat. Probably had a lot of iron powder in them.

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