All About D2 Steel - Development, Use in Knives, and Properties

Thanks for the write up! I’ve always loved D2 for its “working edge”.
After it loses its “hair popping edge” it seems to just keep cutting. On the job (construction) I’ve done some pretty horrible things to D2 blades and I’m always impressed how it continues to cut.
 
I really enjoyed this article. I’ve been working with this group of steels for the past few years, and love the balance of properties. This article was very well written, and easy to understand.
 
Good write up. Though I have found even more info on d2 from Nathan the Machinist on this forum.
 
Great article, Larrin! I'd be interested to see something about the "friction forged" D2 that was all the rage a few years back. Always wondered how much of it was just hype.
 
Larrin said:
Ok so you're looking for heat treatment optimization information?
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I was just saying he's got alot of other info on the subject of d2 that you didn't cover. Both are very welcome and educational.
 
Tenebr0s said:
Great article, Larrin! I'd be interested to see something about the "friction forged" D2 that was all the rage a few years back. Always wondered how much of it was just hype.
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I believe that cliff stamp did some testing on this and it proved to be just hype. But more data is always welcome.

http://www.cliffstamp.com/knives/evaluations/alpha_1.html

Check the summary. As Phil Wilson had 30% improvements. Link to reference thread https://www.bladeforums.com/threads/friction-forged-test-blade.480424/#post4684224
 
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I collected a bunch of articles to write about friction forging a while back. It's on the list. I'll get to it eventually.
 
Mo2 said:
I was just saying he's got alot of other info on the subject of d2 that you didn't cover. Both are very welcome and educational.
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Thank you for sharing that link. :thumbsup:
 
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