SOG Pentagon

Grego

Grego

Joined
Apr 22, 2007
Messages
402
I am looking for some opinions on the full size SOG Pentagon (full size fixed model). Is the AUS 6 as good as AUS 8...as far as toughness and edge holding ability?

Why was AUS 6 used over AUS 8 for this paticular model? in your opinion.

Any additional info you can offer on the fixed SOG Pentagon would be appreciated.

Thanks
 
Grego said:
I am looking for some opinions on the full size SOG Pentagon (full size fixed model). Is the AUS 6 as good as AUS 8...as far as toughness and edge holding ability?

Why was AUS 6 used over AUS 8 for this paticular model? in your opinion.

Thanks
Click to expand...

Steel__________AUS-6__________AUS-8
Carbon_______0.55-0.65__________0.70-0.75
Manganese_______1________________0.5
Chromium___13.00-14.50_________13.00-14.50
Nickel__________0.49______________0.49
Vanadium____0.10-0.25__________0.10 - 0.26
Molybdenum_____—_____________0.10 - 0.30

Based on the composition, the expectation would be that, between the two steels, AUS6 would be tougher and AUS8 would have better edge retension.

The toughnes of the AUS6 would come from a lower hardness. A lower hardness steel usually makes a blade less expensive to fabricate. You could argue it either way. SOG wanted a tougher blade or SOG wamted lesser expense or any combination of those factors you care to ascribe to SOG.

I haven't noticed SOG cutting a lot of corners, so IMO they wanted the added toughness of AUS6 for a blade designed for penetration rather than the edge retension of AUS8. The shape of the Pentagon lends itself more to penetration than cutting chores, again IMO.
 
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