quesiton

I'm going to post an add on my local buy and sell and start sharpening knives for people. I've already got an idea of what I'm going to charge and how I'm going to deal with drop off/pick up and a rough idea of what I can get done in a day. Basically I'm at the stage where I'm wondering what I'm...

so everytime i search for "differences between japanese steels" its just an article that talks about how each steel has a different amount of tungsten than the other, or another chemical difference. It does not say "this steel is hardest to sharpen" or "this steel can hold its edge the longest"...