...To be quite honest, I don't really care that the Ranger broke. It broke far beyond any limit that I will push my knives to. The thing that surprised me was that the SOG Seal 2000 got a higher rating. I've got a Ranger and Seal 2000 and I'd part with the Seal long before I'd part with the Ranger.
SOG chose AUS-6 because it is very tough. I am also surprised that it proved tougher than the 5160 steel, though. I like my Rangers and my SOGs. I doubt that I will break either one, but the SOG Seal 2000 did pass all the requirements of the Navy.