Knife out of Ice Skating Blade

C

cubefx

Joined
Oct 12, 2012
Messages
9
Hello,
I am new to the knife making and have few questions.
Due to my connections I have unlimited access to the top of the line used ice skating blades. Can't beat free.
Normally they will go to trash, but some of them have sentimental value.
Those are $400-$600 blades.
I do not know much about knife making or steel types, but I know a little about ice skates.
It is much harder and it is takes much longer to sharpen expensive blades. And they are eating sharpening discs for breakfast. Because of that, they are holding edge MUCH longer then less expensive stuff.
I have a pair of Paramount blades and they are 440C. Some of the other blades I have are stamped "Sheffield Steel".

There is a guy in Michigan making the knifes out of Hockey Skating blades. He did run the blades thru Mass Spectrometer and it showed 440SS with hardness 58/60 Rockwell on the C scale.

http://www.heattreatinfo.com/ice_edge_knives.htm

Here is my attempt on making one.
I do not knot exact steel for that particular blade, but I know that it is very expensive, one of the best available ice skating blades and it is very hard to work on.
Because the blade is already heat treated, can I get away with just sharpening the blade?


knife_02.jpg


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knife_04.jpg
 
The advice you received elsewhere was good advice. You don't know what steel it is. You can guess all day long, and still not have a definitive answer, which means you'll have to spend money to have it analyzed. Add to that the likelihood that it probably isn't heat treated for use as a knife blade.

My advice is to buy some known steel, copy the design and start over. Beat this one against some logs and sticks and see if you like the way it feels. BTW, that section with the toe picks could shred your wrist/arm.
 
Welcome to Bladeforums, and Shop talk.
Filling out your profile will help us help you.

The blades probably are 440C, but you could contact the makers and ask what they use.

Just re-grinding them is not a good option, as you don't know the HT they have, or how much you will change it by grinding heat. They were made to be very hard, but cutting ability by a thin edge isn't a prime need.

Using them would be for fun more than to make a good knife. Using some new steel and making a knife from that would be time well spent. HT can be sent out.

I wonder why they don't make carbide edge skates? Probably not worth the extra cost in a limited market.
 
Thanks for advice.
I am thinking that those knives might be more Display/Conversational pieces rather then hunting/survival knives.
Some of the blades I have, previously owned by some well known ice skaters and skated in many National and International competitions and Shows.
 
Skate blades can be anywhere in the 400s, a variety of chrome coated carbon steels, or even aluminum. Not necessary to be carbide edged, the edge on each side of a blade are nearly 90 degrees with a slight concave center. Plenty durable for ice and rink rubber.
 
I say go for it. I thought about it once to donate the knife to a silent charity auction for a friend who died while playing hockey. I still plan to do it someday.
 
I used to make knives from hockey skate blades. It's fun! Much like every other mystery steel/mystery HT it probably won't give you the best possible blade for the given alloy but that's ok. Ok is OK!

I ground them out cold... the blades I had felt finer and tougher than 440c, made in Sweden, I guessed 12c27 but really, doesn't matter, it's recycled mystery steel
 
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