Originally Posted by
unterhausen
I think a little bit of scarring on those surfaces is normal. At least I don't think I've ever seen a used one that didn't have it, steel or not
Scarring on my aluminum freehub was so bad, I needed a mallet to remove my cassette. Then I had to file down the notches to re-install the cassette.
None of my steel freehubs have ever exhibited any such notches.