infi vs S7 vs beta titanium?

S

scrappy

Joined
Jul 7, 2007
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I have a ffbm and just got a sarsquatch. I need to start using tbem hard :) I watched the destruction tests and have see all sorts of incredible pics. to me it seemed s7 took damage on the edge much easier than infi. overall strength for both are amazing but infi rolls and chips less. noss eventually broke both of them. how would infi compare with titanium. infi would have a harder edge with better retention I assume and it would probably take more force to bend infi than titanium. would a titanium knife break in half also if subjected to the same abuse infi has been subjected to. I know there is a difference between lateral strenght and toughness. what are your thoughts? is infi as tough as titanium?
 
i would say infi is tougher, and a much better blade steel.

the areas where ti would be better would be corrosion (rust) resistance and it is non magnetic.

so if you are demining or taking your knife in the ocean ALOT, then beta ti may be better.
 
morimotom
thanks. I live in utah. the summers are dry and the winters are wet. I am an active camper. I usually go on one or two week long camps a year and do several other overnighters. I want the toughest camp knife possible and was wondering which would be tougher between the two steel types. thanks for the info.
terry
 
scrappy said:
morimotom
thanks. I live in utah. the summers are dry and the winters are wet. I am an active camper. I usually go on one or two week long camps a year and do several other overnighters. I want the toughest camp knife possible and was wondering which would be tougher between the two steel types. thanks for the info.
terry
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the only sacrafice i can see with an infi blade is potential rust.

it will take and hold a much better edge than any ti blade i have seen. infi will also hold up to use/abuse far better.

i dont think ti can come close to infi regarding toughness.

like any piece of equipment, it will require some care. dont store it wet, clean and dry it after use.
 
for a camp knife you definitely want INFI over S7 or Ti.

INFI will keeps it edge way longer and is more damage resistant.Ti bends like a popsicle stick and can be hard to get an edge on.Ti develops a real fine feather edge from the aluminum thats in it and thats where stropping it comes into play.you cant make a usable knife out of pure Ti so they add aluminum.

i've got one Ti knife and it gets sharp and holds an edge decent but will bend very easy.
 
All purpose steel, INFI!
Corrosion free metal, Beta Titanium!
I wish folks would stop comparing Titanium to steel. Of course steel cuts better. That's elementary. ;)
 
i had a mission beta ti mpk. it was sharp, but the edge felt more like a saw, it wasnt real clean.

and i think they are only hardened to around 55rc, kinda on the soft side. iirc, pure ti is normally only in the 40's.
 
MORIMOTOM said:
i had a mission beta ti mpk. it was sharp, but the edge felt more like a saw, it wasnt real clean.

and i think they are only hardened to around 55rc, kinda on the soft side. iirc, pure ti is normally only in the 40's.
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From a purely theoretical standpoint, I can agree with Morimotom on Ti's properties.

I've only had a bit to do with edged Ti, but I felt the edge just didn't last ... and yes, it was a micro-serrated edge.

Why bother with Ti for a camp knife? Steel will do just fine.
 
Why don't you go to Mission Knives and read the testimonials by people who use them and swear by them. I think the expression is called, The Horse's Mouth. I would not be without my Mission knives or my Busse!
No offense to anyone.
 
Lycosa said:
Why don't you go to Mission Knives and read the testimonials by people who use them and swear by them. I think the expression is called, The Horse's Mouth. I would not be without my Mission knives or my Busse!
No offense to anyone.
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for their intended purpose, mission makes probably the finest ti blades around. iirc, they "pioneered" the market by having a ti blade that would take and hold an edge, wasnt to brittle, and was large enough to be useful.

like i said, i had one of the larger fixed blades, and it was a fine knife. but its properties did not suit my needs, or wants, in a knife. for me, it was more of a novelty. too light to be a decent chopper, and was only average at mundane tasks such as food prep.

where it excels is obviously corrosion resitance, as well as being able to carry very large knife that weighs half as much as a comparably sized busse.

(yes, i know warren thomas makes great stuff. but his edges are carbide, and many are wrapped in carbon fiber, so i dont really consider them to be true ti blades.) ;)
 
John Moore was my friend. He designed a knife for the infantry man or woman. You understand and like the Mission Titanium knife principal or you don't.
 
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