Michael, these answers are my opinions based on my experiences and may not be necessarily the absolute truth.
Some steels sharpen very easily to a very sharp edge even though they are very hard and durable steels. High carbon steel like Japanese Aogami Super is an example.
Softer steels within reason seem to sharpen well and easiely unless it’s too soft. Then it may roll under sharpening pressure. I think moderately hard to hard steels can be sharpened to the sharpest edges.
Hardness and durability are not necessarily the same same thing. There is a balance that must be struck between these two qualities in steels.
Harder steels may tend to be more brittle. Brittle steels may chip as a result of edge damage, but not necessarily. There are hard steels that are durable and not chip prone.
In summary there are many different steels that have shared qualities. I don’t think that all steels can be described in definite terms, one way or another. Hard or soft, brittle or durable. Many steels today have been metallurgically blended to have the best attributes for hardness, durability, longevity and edge sharpness. I don’t think there is any one steel that is the best for every chore. Although, there are some steels that excel in many of these areas and are good for all-around use.
https://www.bladehq.com/cat–Steel-Types–332
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