I have used H-110 since 1968 in my .41 mags, starting with a model 58 and a Ruger Blackhawk. I have not seen any more erosion on these than any other models of the same vintage using other powders.
I retired the M58 a little over a year ago and replaced it with the M657 Mountain Gun in .41 mag (really nice gun).
Although I use Unique or Herco for cowboy loads, all the full power loads are still 20-21 grains of H-110.
I think all my .41s will live long after I do.