Depends on the chrome really.
A show quality chrome finish is copper, then nickel, then chrome. The chrome itself is very thin and can really be taken off with anything abrasive. If you are doing it to re-chrome then an electrolytic method would be preferrable because it leaves the rest of the layers on there.
Blasting is okay but something that will cut chrome will cut aluminum too and you will be left with a profile on your part that you would not have had before.
The "correct" answer is an electrolytic process for stripping (IMHO) but if you want, any abrasive process will do it.
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