CPM SPY 27

Discuss Spyderco's products and history.
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gull wing
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CPM SPY 27

#1

Post by gull wing »

Let's make it simple. Does it look like SPY 27 will be easier to sharpen than S30V?
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bearfacedkiller
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Re: CPM SPY 27

#2

Post by bearfacedkiller »

I would say yes but only marginally. It will probably fall in between S30V/S35VN and VG10.

I would guess that XHP or CPM154 will sharpen up similar to SPY27.
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gull wing
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Re: CPM SPY 27

#3

Post by gull wing »

This is what I wanted to hear, XHP and CPM 154 are fine for me. Thanks
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p_atrick
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Re: CPM SPY 27

#4

Post by p_atrick »

DBH does a good job talk about what the steel could be in this Instagram post.
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awa54
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Re: CPM SPY 27

#5

Post by awa54 »

Any idea when the first release will be?
-David

still more knives than sharpening stones...
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aaronkb
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Re: CPM SPY 27

#6

Post by aaronkb »

I’m waiting to hear what hardness they plan on treating it at... tempted to pre order but I’d be heartbroken if it’s 58hrc
Baron Mind
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Re: CPM SPY 27

#7

Post by Baron Mind »

Ease of sharpening is a more complicated matter than it may seem. You also have to consider how WELL a steel sharpens.

The softer a steel is, and the lower the carbide volume will dictate how easy it is to grind, but those same qualities can also be detrimental to the steels ability to take a crisp, clean, burr free apex. That isn't so much determined by carbide volume, but hardness definitely plays a roll, as does how much austenite is retained during heat treat.

Based on composition, SPY27 should have a slightly lower carbide volume than s30v. Everything else will depend on how Spyderco heat treats the steel, and to what HRC. If they run it a little harder than s30v, it may give the steel similar grindability, but it should also allow it to take a finer edge, and deburr easier. On harder steels the burr tends to break off easier.

There are numerous other factors, and the factors I mentioned could be expanded upon a good deal, but the point is we won't really know until we get the steel in our hands. I'm hoping Spyderco will run it a point or two harder than their s30v, resulting in similar wear resistance, but making it a better sharpening steel with improved edge stability.

I preordered a Para 3 LW already, and am excited to get it in my hands.
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Re: CPM SPY 27

#8

Post by pantagana23 »

Please not that there is an already opened thread for CPM SPY27 before opening another:

viewtopic.php?f=2&t=85769
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