KnifeGuy: Thank you very much, that's the frickin' good comparison.
The last thing:
Could someone do me a favor, and group those steels in terms toughness, edge retention, corrosion resistance, ease of sharpening, from the best to the worst ?
S7(Sr-77), 1095, 5160, 50100-B (0170-6C/ Carbon V), 52100(SR-101), D2, A2, O1, L6
