question for you welders

Link

PM-OHIO

Lincoln's Procedure Handbook of Arc Welding color chart for identification of stick electrodes by colored dots does not list red as a color which was used. Good luck.

Stan

I know these are old rods, but was wondering if they might be hard face rods.

From your flux description along with using a black spot color with a red body (reverse colors of what you have) that would be 6028 or decking rod.

Your standing bent over with the rod in the end of the electrode holder then you burn a hole thru the decking to the bar joist making a round weld button, let cool, then move and repeat. a real back breaker of a job!

Tim makes a very good argument for a trial run.

Usually a electrode with a thinn flux coating is made to penetrate with very little flux interference on the molten puddle, like 6010 or 6011 does.

T_Bone

I didn't compare the thickness of the flux but trying to go by memory. the flux may be a little thicker than a 6011 but i dont know if it is as thick as the 7018. Memory may not be all that accurate. but the flux is gray and the red dot is on or close to the flux/uncoated portion and the black dot is closer to the end of the uncoated portion.I have no idea how old these rods are as they were in my Grandpas shop.

there are some other rods also that are reddish brown flux color but i cant remember if they have numbers or not.They are pretty skinny. thanks