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HomeForumManufacturer's ForumsSwamp Rat Knives SR77, SR101, and INFI
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Thread: SR77, SR101, and INFI
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11-19-2007, 04:52 PM #1 Pygmalion's Avatar Pygmalion Pygmalion is offline
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SR77, SR101, and INFI

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Can someone tell me the main functional differences in these three steels (INFI, SR77, and SR101). If My understanding is correct it is basically a difference in the heat treating process. Are the three steels close in functionality and durability? Isn't INFI Busse's brainchild, and the SR's are Swamp Rat's?
Last question... Of SR77 and SR101, which is "better"?
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11-19-2007, 05:41 PM #2 Pygmalion's Avatar Pygmalion Pygmalion is offline
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I am going to move this thread to the Busse forum.
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11-19-2007, 05:58 PM #3 jnphares jnphares is offline
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You may want to search for this topic on both this subforum and on the Busse one, as well as on the Scrap Yard and Swamp Rat Boards. The short answer to "which is best" is that it depends on how you measure it. SR77 is based on S7 tool steel, which is used for jackhammer bits. Generally, it's considered slightly "tougher" than SR101. SR101 is slightly better than SR77 in edge retention. INFI is both tough and holds an edge exceptionally well; it wasn't specifically designed as stainless, but it is highly corrosion resistant. The only downside to INFI is that knives made of it are noticeably more expensive.

My personal opinion is that, if price is a consideration, then I'd prefer SR101 for less than 6-inch blades and I'd prefer SR77 for greater than 6-inch blades. If price is no object, then INFI is your best bet. No matter which flavor of Busse you buy, it'll be covered by a lifetime warranty against failure (unless you intentionally try to destroy it). Due to the Busse heat treatments, under anything even close to normal use, you probably won't see any difference between the effectiveness of one over another. Between Swamp Rat and Scrap Yard, availability and the style of handle should probably be a more important considerations than the steel -- they'll both hold up exceptionally well under hard use.