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Just bought my first SOG
- Thread starter X379
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- May 18, 2005
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nice knife!
AUS-8 is the better steel.
AUS-8 is the better steel.
According to Bladeforum moderator Joe Talmadge's Steel FAQ, the two steels seem comparable.
Others concur the steels are very similar.
I don't think you'll find a clear winner and loser between them. As recently as October of this year, SOG's site stated Pentagons were made out of AUS-6. They're currently being listed as made out of AUS-8. This will give me an excuse to go buy a new Pentagon and compare the two!
Others concur the steels are very similar.
I don't think you'll find a clear winner and loser between them. As recently as October of this year, SOG's site stated Pentagons were made out of AUS-6. They're currently being listed as made out of AUS-8. This will give me an excuse to go buy a new Pentagon and compare the two!
Vaako - Thanks for the link- this was interesting, although I dont completely understand the qualities of the different steels.
A similar group of alloys has come over in recent years from Japan. AUS6, AUS8 and AUS10 have been compared (approximately) to 440A, 440B and 440C. AUS6 is the softer of these alloys and contains about 0.6% C, 14%Cr, 1.0% Mn, 1.0% Si, 0.49% Ni, and .25% V (there is also a variation on this alloy called AUS 6A that has 1.2% Mo in place of the V). AUS6 is typically heat treated to the mid 50s Rc, and it should have good toughness. AUS8 has gotten to be very popular lately and is being used by a number of knife manufacturers (Cold Steel, Spyderco, Kershaw, SOG and many others). AUS8 contains 0.75% C, 14% Cr, 1.0% Mn, 1.0% Si, 0.49% Ni, and 0.25%V (there is a variation on this alloy too, called AUS8A that contains 0.95% C, 14% Cr, 1.0% Mn, 1.0% Si, 0.50% Ni, 0.20% Mo, 0.15% V, 0.40% W, which should be harder and have better edge retention). AUS8 is generally heat treated up to 58-59 Rc and will take an excellent edge. Edge retention is good, but not as good as some of the higher grades of stainless
A similar group of alloys has come over in recent years from Japan. AUS6, AUS8 and AUS10 have been compared (approximately) to 440A, 440B and 440C. AUS6 is the softer of these alloys and contains about 0.6% C, 14%Cr, 1.0% Mn, 1.0% Si, 0.49% Ni, and .25% V (there is also a variation on this alloy called AUS 6A that has 1.2% Mo in place of the V). AUS6 is typically heat treated to the mid 50s Rc, and it should have good toughness. AUS8 has gotten to be very popular lately and is being used by a number of knife manufacturers (Cold Steel, Spyderco, Kershaw, SOG and many others). AUS8 contains 0.75% C, 14% Cr, 1.0% Mn, 1.0% Si, 0.49% Ni, and 0.25%V (there is a variation on this alloy too, called AUS8A that contains 0.95% C, 14% Cr, 1.0% Mn, 1.0% Si, 0.50% Ni, 0.20% Mo, 0.15% V, 0.40% W, which should be harder and have better edge retention). AUS8 is generally heat treated up to 58-59 Rc and will take an excellent edge. Edge retention is good, but not as good as some of the higher grades of stainless
The Pentagon is still AUS 6 not the AUS 8 that was listed. That was a typo that happened in the conversion of info from the old site to the new one. It has been fixed now.
Sorry for the confusion.
As for which steel is better, I don't know that I would be able to tell the difference between the two steels as they are very close in performance. But if I was forced to make a choice and say which is better I would say AUS 8 has better long term performance than AUS 6.
Chris
Sorry for the confusion.
As for which steel is better, I don't know that I would be able to tell the difference between the two steels as they are very close in performance. But if I was forced to make a choice and say which is better I would say AUS 8 has better long term performance than AUS 6.
Chris
Thanks, I don't know anything about the different steels but I like the knife. I'm looking to get another one with the satin finish.