Visualizing the Tradeoff of Higher Hardness

DrBC said:
Would it make sense to have a steel that had that extreme toughness & edge retention but non stainless. And make up for the corrosion aspect by coating it in a very high quality DLC coating? Or something similar to that.
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I see that as essentially being M4.
 
New data from Larrin for 3V shows much better toughness/hardness, perhaps because the old data were based on a slower plate quench. So I have relabeled the old data and added the new data.
 
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There might be value in leaving the old 3v values since most 3v will not have used the new lower tempering temperature. Just mark it as such.
 
SharpBits said:
There might be value in leaving the old 3v values since most 3v will not have used the new lower tempering temperature. Just mark it as such.
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I would agree but I think it's now fairly common knowledge in the knife world that 3V does better at lower temperatures than the datasheet recommends.

Nathan the Machinist Nathan the Machinist what do you think of austenitizing temperature of 2000°F, plate quench, cryo, and temper at 400°F?
 
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