Most anodizing shops will not attempt to anodize weathered castings, or castings of unknown alloy. If they do agree they will not guarantee the results. And yes, I know someone that owns an anodizing facility.
anyone have a picture of what glass beaded aluminum looks like? Please post pics of your aluminum restoration. Would think the blasting would make it blotchy for some reason.
The more I read all these ideas the more I think I might paint them the same color as my cockpit floor (light tan or grey) with non skid. Would have to leave the handles bare metal since they are smooth SS. I think this might be the best way for me to go but I will experiment with the wire wheel (brass) and some sand paper. Polishing is just sanding up to extrememly high grits really. Was thinking I might make the highest surfaces look decent with sanding and leave the recesses a little rougher and paint them. Not sure what I could use for clear coat that would stand up to foot traffic though so maybe just paint the whole mess.
I can see how the metal would be "impregnated" with some foreign metal using the wire wheel because I have seen little rust spots appear on non-metallic items I have used a steel wire wheel on before but going to try it anyway because I need to at least scuff the whole thing for paint.