Posted by admin on Wednesday, November 24, 2010 · Leave a Comment
The fraction closest to the uncoated end is the diameter of the metal rod (without flux)
Next, 1 or 2 letters, E, R , or ER. E=Electrode, R=Rod, ER=either
Next 4 or 5 numbers.
If 4 numbers, the first 2 are strength in 1000psi. If 5 numbers, then the first 3 are strength in 1000psi.
The last two numbers are use to identify orientation/position and AC, DC, or Both.
Here's a page that explains it better than I do, complete with charts, including amp ranges, plate thickness, etc:
There isn't an official standard for flux, but the flux will be matched to the rod, so you will almost never need to worry about it.
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