52100 A guilty pleasure !

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As you know my experience with 52100 has been enhanced with the owning of a great Paramillie 2 Sprint Run. This steel is staining and pitting just by gazing at it hence the forced patina I have done to protect the pivot’s hidden part.

But then ? After almost a year of rotation how 52100 has behaved ?

“52100 will take a very keen edge. What is often called “sticky sharp” or “a hungry edge.” said Sal in March 2018.  He also said he wanted a Millie in 52100 to be used as Mountain knife.
And this is true. Like SuperBlue steel ! Those folding razor steel are flirting with lightsabers and are strong. Of course you don’t use your folders like a fixed blade as the pivot and lock can be weaker than a tang. “Batoning” (if any) with a folder should be made with the blade unlocked to avoid any stress on the locking mechanism. But lateral blade jolting inside the cutting medium is commun. I do that in plastics when It got resistance but it can happen inside a wooden knot too. So lateral strength especially on a thin pointy blade like the Millie/paramillie and Para3 is not a luxury as is also edge stability.

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But the greatest joy and satisfaction in owning a 52100 blade is in its honing. This steel is made for leather stropping. In two passes it already get back to razor. Of course, I had convexed the blade to a very thin edge. In a simple 2 minutes round, after a full day of using, your knife is back to uncanny sharpness. This is so satisfying !!

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The thick bottom of any plastic plastic soda bottle is my favorite test for geometry and bite as it can collapse under the force if not thin enough. The Nilakka is the queen in that game. But my full flat ground blade are all convexed to achieve powerful and controlled cuts. The thinnest of the bunch are my 72100 et CPM M4.

Ghost my CPM M4 millie has been used on various cutting duty involving food and grease as has been my 52100 Paramillie. I don’t do cutting ropes tests or anything which can be numbered, I go with the feeling. Even if I enjoy reading those tests it’s “quantity” over “quality” as a blade is 33% steel 33% heat treatment and 33% blade geometry. Cutting hard wood, looking and touching the wood’s grain and the cut fibers and how the edge behave when twisted inside is my way ad as 52100 is also used in razors: shaving sticks of hard wood is done with ease and control.

For Ed Fowler (grand manitou of forging 52100) when carefully forged and heat treated, this is the most versatile and dependable steel available to the knife industry. He feels that a man who depends on his knife deserves and needs the most reliable knife possible that will not bend easily or break when he needs it the most. A knife that can be sharpened easily and is friendly to his hand.

Ed got a very oldtimer advice for keeping his 52100 blade rust free:
“Any oil will keep rust from the blade, many times I simply apply the oil from the side of my nose or from behind my ear…”
One thing is certain: the more you use your 52100 blade, the more you check it and oil it with your hands.

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Ed is not stranger to folding knives as he has teamed up with Ron Appleton and forged the blade out of 52100 for his “Chub” in 2001. Ron wanted to create a folding knife that would be capable of withstanding the rigorous demands of a straight blade user.

Our friend Ed Schempp is another fan of 52100 here what he was saying about it in 2005
“52100 is a very good steel. Ed Fowler has spent a life time tweaking this steel to improve performance. With multiple thermal cycles, normalizing and interrupted quenches, and low temp forging has accomplished and extremely fine grained steel.
Most of the time a good smith can further refine the grain on production steel. Some of the grain can be smaller then but not of the homogenous size that Crucible attains in their CPM products.
This translates to a finer cutting edge that can be sharper than S30V. This edge will not necessarily last as long as a high Vanadium steel like S30V, but can a higher initial sharpness.
The thermal treatment to bring the best of what 52100 has to offer will be expensive, although a simple heat treatment will still bring forward a good amount of what the steel has to offer. Differentially hardened blades would be very difficult to do commercially.”

So 52100 is still a guilty pleasure, because you know it will stain, it will need maintenance but when it come to using it hard and hone it back to sharp, this steel shows is true colors !

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