RAT-7 or RD-7?

omaha-beenglockin said:
I have been looking kinda seriously at a RAT-3

But get me up to speed as to why the carbon blade over the D2-----everybody seems to just gush over the D2 Benchmade 710-----so why the carbon?
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I think what people are saying is that carbon is a better choice in a big chopper due to its toughness.
 
shootist16 said:
I think what people are saying is that carbon is a better choice in a big chopper due to its toughness.
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But for a EDC I would choose D2 (I have a RAT-3 in D2 ordered :) )


There were a lot of thread about choosing between 1095 and D2. You should search for those omaha.
 
Yup, it's the impact toughness of 1095 that makes it preferred over D2. The high level of carbides in D2 means it has high wear resistance, which means the edge will dull less when cutting soft materials. It's also why D2 is such a b*tch to sharpen.

This gives awesome EDC performance, but at the cost of low impact toughness, which means there is a lower propensity of the steel to bend instead of chip under high impact energy. For a small, EDC blade this is less imporant, but high IT is usually wanted in any hard cutting knife- and obviously especially for choppers. However, many of Cliff Stamps reviews noted poor performance of 1095 steels with regards to low impact toughness and brittle fracture- apparently due to poor HT QC.
 
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