Posted by nebraska cowman on April 03, 2015 at 15:26:33 from (166.182.3.39):
In Reply to: 7018 welding rod posted by nebraska cowman on April 03, 2015 at 10:49:43:
I give up. I went out and found a pretty clean chunk of iron, clamped the ground on with a vice grip to make sure that was not my problem. No change. By turning up the amps to 200 it and really working at it I could get it to strike an arc maybe once in 20 tries, and it would hold it about that long too. So I grabbed a couple of my old junk, been damp, stored in an open box for years rod, 1 1/8 and 1 5/32 (5/32 has always been my preferred size) I could run a bead with both but as expected 200 is way too hot. So then I turned the fire back to 120, now the old rod runs a pretty fair bead, fair for an old man that hates to weld anyway. But when I re-tried the 7018 with no other changes, it will not do a (expletive removed) thing. I can knock the flux off, DRAG it across the iron at a 45 degree angle and maybe it will spark a little but it will NOT light off. Not even close. I did notice when I did get the 7018 to arc at 200 amp that when it died the rod would be burned back quite a ways inside the flux, nearly an eight inch. Is that normal? Anyway I have a nearly full 10# box of 7018 somebody can have. And I'll even throw in a jar of Vaseline.
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