K390 Delica HRC?

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Re: K390 Delica HRC?

Postby TooSharp » Tue Nov 17, 2020 6:36 pm

The rockwell on my K390 Dragonfly came in at 66.

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Re: K390 Delica HRC?

Postby Cambertree » Wed Nov 18, 2020 12:40 am

TooSharp wrote:
Tue Nov 17, 2020 6:36 pm
The rockwell on my K390 Dragonfly came in at 66.
That’s excellent, thanks for the info. :) :cool:

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Re: K390 Delica HRC?

Postby KitsuneSan » Wed Nov 18, 2020 8:32 pm

Wow! I'll definitely have to get the delica k390 too with that heat treat. My k390 collection is growing for sure

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Re: K390 Delica HRC?

Postby Steeltoez83 » Fri Nov 20, 2020 11:26 am

My delica tested at 65.5 then 66.

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Re: K390 Delica HRC?

Postby EngDevGr3 » Fri Nov 27, 2020 8:28 pm

Since my HRC testing of the Delica, I have used it on various materials. I haven't gotten crazy with it, but I haven't babied it during use either. I have pushed it a bit, within reason for a 2.5mm thick blade, to test edge stability. Very thick shipping cardboard, a cloth backed rubber material where I work, and even through some hard tote plastic. These coupled with everyday use cutting, it is performing VERY well. The heat treat seems to be spot on. Edge holding as expected from k390 at that hardness, but the toughness is suprising! I even ran the factory edge for a while. I am on the third edge, and I am using normally as a fantastic slicer and edc.
I plan on getting the Endura k390 within the next few weeks. I assume it will be a similar HRC and performer, but I will post the test results in the HRC database.
Great work on the heat treat Spyderco!

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