Rig Life
Hello,
Electropolishing, as well as abrasive polishing, are ways to make the surface smooth, so that it is harder for corrosion to start. I understand that electropolishing can also produce a corrosion-preventing oxide layer. But neither method is meant to remove the effects of corrosion, except at the surface; corrosion tends to run deep.
In addition, fatigue has also been at work on your gang; depending on climate,its effects might be even more significant, and no amount of polishing can counter it.
Finally, it seems unlikely that you could significantly affect the interior of the wire, without unlaying its whole length. It might just be time to replace the material, with the strongest, best-drawn, best-alloyed, smoothest material you can get.
Fair leads,
Brion Toss
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