SPY27 compared to S30V and BD1N. How they compare in use and value for performance offered. 

All of the comparisons I'm seeing are selling me on a basic BD1N Para 3 LW as a great daily beater knife. Easy to sharpen, cheaper, and good enough for basically anyone's day-to-day needs.

Thanks for this informative video. So far I really like my Para 3 lightweight BD1N, maybe it doesn't hold an edge as long but in my experience it is easy to sharpen, touch up, and has more toughness than S30V. As a more budget oriented steel I enjoy it quite much, and had become my favourite beater knife in and around the house.

M390 has become my favorite steel for trade-off between edge retention and ability to sharpen in the field, with the qualifier that rolling has to be more likely than chipping. Cru-wear comes in as a close second. I haven't tried out Spy27 yet. Love your content!

I just have a brand new BD1N Para 3 on the table and the action is getting broken in nicely. I don't love the black handles. The Spy27 looks so much nicer with the blue handles, but it costs 50% more here in Germany and now you show us that there appears to be little difference in performance to the BD1N. I am finding it hard to justify the extra cost. On top of that the BD1N has a much nicer finish (mine has no obvious grinding marks, just a nice even smooth stonewash and feels super smooth).

Thanks for the review. I believe the price will come down on SPY27 as Spyderco uses it more in their line, if not killed off by negative reviews or major issues surfaces. Again what I understand Spyderco was going for is to trade off some edge retention of S30V having maintainability more like VG10. What your telling me is they hit the mark dead on. So if SPY27 came out before S30V or S35VN would we be complaining about the cost? I doubt it. S30v is an older steel, has been tried out by many companies and frankly has become, undeservedly passé, especially with S35VN being as common as rocks. SPY27 is new and proprietary so yeah it going to cost more at it introduction.

Price vrs performance its gonna be a very close competition between these 3. Awesome comparison but BD1N preform best for the price for my use. I can't wait to see the three way manix death match.

Good talk. My inital thought was Spyderco was going to start stanrdizing with that steel since its like a propritary stell to them. Who knows. Im sure with the procing theyre trying to recoup their time/monetary investment into it, dropping it in new colors. Plus they can likely mess with chemistry and make future improvements. Thanks for the recap.

This is very interesting. Thank you for posting. I've had similar experiences. I stropped mine on 2 micron and it came back quicker than I expected. I thought better than the s30v from spyderco. Just my opinion, but I like it as a proprietary steel. Better than what I expected and way better than AR-RPM 9 LoL. Takes well to ceramic sharpeners as well for touch up.

manix wins FATALITY 😂

Thanks. I just ordered the manix lightweight in BD1

Those results match roughly what the catra result do. S30V > SPY27 > BD1N

From my (limited) understanding, SPY27 is closer to S35VN than to VG-10. Cedric and Ada's test put it's performance and corrosion resistance near S35VN also.

Spy27 compared to s 30v is title but I’m not gonna go over the 30v ….. Lmao , so just gonna go over the spy27

How do you control how much use it gets in 2 weeks? If it's almost nothing and then you strop it, they'll all be sharp.

So is the Spy27 worth $30 more than the BDM for durability and sharpness?

The all 3 manix test would be interesting to see. Great videos as usual

Thank God Gerald is back!

Endura in s30v @$101.50 for the win! Great video Gerald!

Outpost come back we need updates on steels to make sure these manufacturers are honest

I’ve been loving spy27! Such a good steel

My Manix lightweight has CTS-BD1, not BD1N. It was right around $100.

Damn I watched your other video and bought the SPY27 and this one convinced me it was a mistake 😅

So far their SPY27 has been a pretty solid steel. I have been able to get it the sharpest with the least amount of work. I love S30V but I always like to try different steels. The Native LW has been my favorite model with their new steel. Great comparison and thank you for the video.

can you summarize how they are theoretically supposed to be different. it sounds like they are almost the same from your tests and uses. So why do they use different steel? Price? Process? thanks

Very interesting comparison! Thank you for sharing and keep up the great work...

Bd1n takes a great edge but nowhere near as tough as s30

Spy27 vs BD1N, thx... just what I wanted to know

i have ukpn spy27, noticed weird thing , sh_t just sticks to it(sealer tape glue is best example), its just hard to clean, no complaints to other qualities😀

I don't know that I would call spy27 a mod of vg10. Though, maybe there is more information available now, than when this video came out. Or you could have accidentally mispoke. Looking at the composition. It seems to be a mod of sg2. Which is a similar (in some ways) steel to s30v. Its a powder metallurgy steel with a 2% vanadium addition, and the same level of cobalt as spy27. Spy27 looks like they added niobium, and a little nitrogen.

I just ordered the s110v version and I’m interested to see how it works

So.. does this SPY27 warrant a purchase over s30vn for a Native5 LW replacement ?? Is this more of a compliment to a s30vn Native 5 LW ? Can't decide if it's a necessary purchase

I hope you can test the 154cm from the Kansept Main Street.

Love me some BD1N. CPM Magnacut, S110V, LC200N, CTS-BD1N and D2 for me

Is Spy27 tough enough for wood work?

Great cost/benefit analysis of the three steels. I don’t know why some guy once wrote a book called “Don’t sweat the small stuff “, lol. It’s precisely your attention to detail - almost like a scientific inquiry - that pays big dividends for the knife community. I have the manix lw in bd1n steel and quite like its performance, and it seems to get sharper than the s30v on my BM 940 (but that could be due to edge angle). In any event, I think I am going to hold off getting SPY27 blades for now, since its modest improvement over bd1n doesn’t seem to justify the higher cost.

Thumb up, I’ve been wondering about the properties of these steels for a long time, although I would have liked to compare them to the VG-10.

Please do a besteck circuit in K110 steel

Great info, thanks for your time. Any date on the edge stability test vid on these 3

dude talk... my goodness. unbearable video

Good comparison

Spyderco adds an “arachnoid tax” to SPY27. It’s their steel. It’s high profit. It’s good to know SPY27 has some marginal benefits. Excellent overview, G. Looking forward to the next steps.