THE question...

oliverplomion

oliverplomion

Joined
Jun 17, 2003
Messages
1,268
Please guys don't kill me... I have a big NEWBIE BUSSE question.
What does make INFI so much better than many other steels? :D
 
To be honest I have no clue :)

However I know this has been discussed and several things were mentioned. I'll try and find some of the threads later today if someone doesn't reply sooner.
 
Any one save the story of INFI from the brief appearance of the new web-site??
 
infi contains nitrogen and colbalt, and it is aged for two weeks before rolling it out.
 
Hey Oli,
I have been able to boil it down to this: INFI steel is a proprietary steel, developed by Busse to be the best all around steel for edge holding and impact resistance. Most steels at a hardness of the typical Busse knife will chip before deforming, INFI edges will roll before chipping even at a Rockwell of 59 to 60. Its this ability that makes INFI unique. Its very difficult to make INFI chip even under extreme conditions, the rolled edge can be slowly worked back into alignment with a steel with some patience. The ablility to roll instead of chipping has some that I have spoken to a little confused, one in particular is very confused. He, on a hunting trip, had killed a bull elk, and proceeded to field dress. When he came to the point where he had to break a few bones, mainly the pelvis and leg bones, the edge rolled (go figure, the elk has the second most dense bones of any North American animal) He was very displeased that it did this, I asked why he was unhappy that it rolled instead of chipped. He thought it was because of a soft spot in the metal, not because of the hardness of the bone. Long story short, he has since broken several Cold Steel knives:footinmou and chipped out countless others, CS wont even return his calls anymore......;)

Hmm, I need to let the old brain rest......more later:p
 
so you're trying to tell me it's not the two week wait that makes it perform?
and i think the pauls hatchet is an awesome hunting tool (my .02 worth):)
 
"Busse Combat's INFI is a steel that is beginning to unravel all my theories about high chromium steels. Jerry Busse sent me some recently to test its' suitability for forging by custom makers. At this point I have only done preliminary testing, but the results are very intriguing.

While this isn't truly a stainless steel INFI does resist staining about like ATS-34. It is stronger than any stainless steel I have ever seen. I think it will rival O1 in tensile strength and L6 in impact strength. After shaving a lot of cardboard it will easily keep up with, and probably surpass most carbon steels on edge holding. Finally, there is a rust resistant steel that really cuts and cuts and cuts�

One of the weird things I noticed was how the hardness test marks looked under the microscope. In many carbon steels the dent crater will have cracks around the edge. This is especially true if the steel is not martempered. Even at a hardness of 62HRC INFI just seems to mush out of the way like putty.

INFI is an air hardening steel. It is also difficult to forge. You really have to hit it to get it to move. For heat treating, kilns and liquid nitrogen are required. But, if you have access to the equipment this could be one of the best all around knife steels ever. Hopefully, Jerry will make it available to custom makers."
 
Well, thats the biggest part of it:D "two weeks" makes the reciept all that much sweeter! :cool: Oh yea, and the Guiness quench is the true secret, and now the world knows it! I tried to convince the fellow to try out the PH but that southern skull is a little too thick!;) Y'know them Red Knecks, right Oli??:p
 
"The toughest metals for knives are busse's infi steel, cpm3v, bg42 ands30v. Of these cpm3v is supposed to be the toughest at the expense ofcorrosion resistance and needing a little more work resharpenning butwith twice as long edge retention as most other steels. Busse's infisteel, a nitrogen rich steel, is supposed to have the best tradeoff intoughness to corrosion resistance and easily sharpenning, and S30v issupposed to be a great balance as well. BG42 may be stronger than S30vas this was the steel in the older sebenza's and many complained whenReeve's switched over to s30V because s30v needs to have a lowerrockwell hardness than bg42 and many said that this is a reflection ofthe steel's relative weakness to BG42. If you buy any other steel youdo so to save money on your purchase for that is the only benefit ofthe other steels. "
 
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Originally posted by idahoskunk
a free vidio of darkhog drunk at blade '03
Click to expand...

Here is a pic of him still likkered up and thinking this was the new Fusion Mistress....
 
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