I was already well aware of the fact that such actions were case hardening, and can be read in my earlier posts in this thread. What I was hunting for was a modern measure of what such hardening should be. Given that the Rockwell methods can be used to do this, and are fairly universal familiar to gunsmiths, I thought that I would ask for that information first, before moving on to searching for more esoteric standard references like Vickers or Knoop hardness traverse methods.

And I was not “bitching”. I was pointing out in what I though was a gentle fashion, that your comment was not helpful to my inquiry and that as enthusiasts we should celebrate our different follies rather than be dismissive.