Recent content by Mark Anderson

This electrolytic method sounds like the ticket. When I get free time (tough with 3 kids), I will give it a test. I have all of the materials except for some rebar. I will let you guys know if it does.

Yes I believe you are correct on the oxidization. As far as going over it again with the caustic solution, I think sanding it the normal way I do it is the best. I prefer not to deal with these chemicals more than necessary. Thank you for the input. This forum is very helpful and has much...

There's a scale residue left that I use sandpaper to remove.but sanding it also damages the steel. I've tried alcohol and degreasers with no luck.

After cleaning aluminum from steel I use with sodium hydroxide, there a brown chalky layer I want to clean off. Other than sanding, I cannot remove it. Is there a way to chemically remove it without affecting the steel?