A Rockwell hardness question for you all....

jdm61 said:
Remember also that in those tooling applications, I have heard say that what we knife makers would consider to be a ridiculously high percentage of retained austenite is considered "okay" in some circles.;)
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True! Again, it's a whole different ball of wax. There are indeed "tool steels" that can make outstanding choppers with appropriate HT; D2 is far from the top of the list.
 
WOW....I have really stirred up some debate here. I like it as a lot of info is coming from various sources..... Hopefully we will all learn a little something from this.
As stated above - "Since D2 is used in industrial knives and steel stamping dies; I would think that it should take some serious abuse in those applications"
This was my thinking aswell...until I read the comments above.
 
Just to be clear I'd pick one of the other more appropriate steels listed also, but I don't think D2 would be awful.

However i think it may take several trials to figure out a working HT in that application and you can't afford those failures to go to a customer.


I'm curious why Kershaw does'nt list a hardness reading for that Outcast as I thought that hardness specs were pretty common.
 
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