CPM D2?

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David Richardson

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Nov 30, 2018
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I'm seeing references to CPM D2 steel. It's also sold some places. I can't find a reference to this on Crucible's site. Is is no longer manufactured, or perhaps they call it something else?
 
my understanding is the first batch messed up the spray tips. also was not a good seller. people that liked D2 liked it for its toothy edge due to the carbides makin git PM took tht one thing away from it. still good steel just not what the D2 fans liked
 
I think it's probably wonderful for tool and die and mold making but I prefer regular D2 for knife blades, I think it works better.
 
My crucible rep brought ne a bar when they were testing it. I didn't think it made a blade as good as regular D-2 and there were no advantages I found. She said they hadn't decided whether to release it for sale back then. I latter saw it was available, but it seems most makers prefered the standard D-2.
 

Is this actually cpm-d2 or d2? People say cpm-d2 isn't good for knives but the edge retention of this knife seems good. But I suspect it's possible to be just d2 with a good ht and not the cpm variety? I assume boker just ment crucible d2 and not cpm?
 
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CPM-D2 is good. Its toughness is higher and carbides are finer than D2.
 
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I heard that CPM D-2 is more corrosion resistant than regular D-2. I also heard that the best knife blade D-2 is Friction Forged.
 
tiguy7 said:
I heard that CPM D-2 is more corrosion resistant than regular D-2. I also heard that the best knife blade D-2 is Friction Forged.
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Friction forged was tested a while back ago by a group of people from bf. It didn't show anything special from the norm from what I recall. What results have you seen?
 
I haven’t seen that test, but I read the sales pitch from Knives of Alaska. They maintain that F/F D-2 is more corrosion resistant than ordinary D-2. May have something to do with the fine grain. They also hardened it to 65-68 HRC which is bound to contribute to wear resistance. I haven’t taken my F/F knife on a shake down cruise yet. It is very sharp out of the box. View attachment 1126312 I don’t hunt as much as I used to, and I much prefer folders to straight knives.
 
tiguy7 said:
I haven’t seen that test, but I read the sales pitch from Knives of Alaska. They maintain that F/F D-2 is more corrosion resistant than ordinary D-2. May have something to do with the fine grain. They also hardened it to 65-68 HRC which is bound to contribute to wear resistance. I haven’t taken my F/F knife on a shake down cruise yet. It is very sharp out of the box. View attachment 1126312 I don’t hunt as much as I used to, and I much prefer folders to straight knives.
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http://www.cliffstamp.com/knives/evaluations/alpha_1.html

https://www.bladeforums.com/threads/friction-forged-blades-catra-tests.476782/

https://www.bladeforums.com/threads/friction-forged-d2-alpha-review.1083943/

Think there's more but did not want to search more. Not saying it's bad, just not super. Sales pitch is often Eh. I kind of want one though. It's unique.
 
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