Will It Rust? Magnacut vs D2 vs M390 vs S35VN

We tested Magnacut Steel! Watch the video here: • The Ultimate MagnaCut ...
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[@BladeHQ]

We tested Magnacut Steel! Watch the video here: kzbin.info/www/bejne/kGa8oGSca81jb8U

[@Leftyotism]

whoop whoop

[@growleym504]

Yeah you tested it but you didn't really test it. As others have pointed out, the method was skewed heavily in favor of the MagnaCut. You can see where the rust originates on the other knives... from the liner and pivot and backspring. Take them all apart, and do just the blades, or do them the correct way, spray them hourly with seawater for a couple of days. I have no doubt at all that the Magnacut is very resistant, but I also know that the other alloys "tested" don't do too bad, either, even the D2. Honestly the S35VN seems to have done extremely well. You can tell that the rust is coming from the backspring, what little there is. But if you want to test and then crow about how great Magnacut is, I am not disagreeing, but give it a fair test so nobody can say you are cheating like most youtubers touting their pet product.

[@spotifyoptional6121]

Dishonesty like this will bring doubt to all other information from blade hq you have a trusted rapport in our eyes, don't tarnish it

[@bernardwelsh1877]

Some of the rust is also coming from the washers, frames, and thumb stubs. Just testing a blade without the other parts would be more accurate.

[@fullfire0]

washers are copper and can't rust, frames are usually g10 or some composite that can't rust, or titanium that can't rust. Very rarely do you see just plain steel frames, and usually only on cheap knives. Thumb studs I agree could rust, depending on what they're made of. I'd be more concerned about the hardware on a folding knife and the lock bar more than anything.

[@spacepope87]

​@fullfire0 The scales are G10 but the frame isn't.

[@theMeshtar]

​​@@fullfire0copper can and will react with brine, deteriorating to its salts (you know, that green stuff the Statue of Liberty is covered with, CuCl). That might, in effect, passivize the steel, speeding up the process of steel corrosion. The same goes for all other components, especially if not made out of the same steel type as the blade itself.

[@brertt8350]

@@fullfire0the frame is usually a stainless steel iron ti, ive had it rust before my blades before, also what about screws, springs, crossbars, etc

[@jameshimself1018]

Because you’ll use your knife like that I guess?

[@I..cast..fireball]

D2 was way better than keyboard warriors led me to believe.

[@martyyoung3611]

The ones that carry on with that crap have never made knives. Nothing wrong with D2.

[@rando27enco]

D2 done well is great. Problem is it’s used with a ton of budget knives that have bad heat treatment, so peoples only experience with it is that bad stuff.

[@SweetTooth8989]

It's semi stainless. It's more stainless than people lead to believe. You can use it on wet surfaces as long as you wipe it down as soon as you can, it'll be totally fine.

[@WDLC1911]

So, it’s like CPM 3V. Sort of. My only “gripe” about D2 is that I find it difficult to sharpen but that’s just a “me” issue. More time and technique and that goes away.

[@harlenthorn4573]

Should spray it on every 20 minutes so that the metal can react with the air and the water otherwise you’re just sticking metal in water, it’ll show rust better that way, if you don’t wanna deal with spraying it set up one of those air freshener sprayers with water and set it in range of the knife and if you can set the time to 20 minutes.

[@shortbus0ne295]

You are what's wrong with the world

[@mitchhifi9192]

It's salt water

[@superslimanoniem4712]

​@@mitchhifi9192 even then, corrosion is fundamentally a reaction with oxygen. There's more oxygen in the air than is dissolved in the water, so it'd rust quicker if it's just wet but also exposed to air.

[@bugglemagnum6213]

​@@mitchhifi9192ok but spraying salt water would be better

[@mitchhifi9192]

@@bugglemagnum6213 ok but that's not what I was saying

[@johntatum5979]

Not a fair test. All other steels besides the magnacut were folders which have steel parts in the pivot and liners that transfer rust to the blade. The magnacut bradford was a fixed blade. If you are going to test you have to test fairly.

[@whatfreedom7]

Good catch.

[@theMeshtar]

Why is the magnacut a fixed blade, while all others are folders? Misleading results.

[@hurryporter4824]

that's the point. it will decrease frequency of finger touching. not like folder choil. So that's why fix blade corroded more slower

[@theMeshtar]

@@hurryporter4824 if you are going to do the test of this kind, all of the samples should be the same to have actual comparability with each other. Putting a fixie, while all others are folders, is not how you are going to pull comparative results. Now, I'm a chemist by trade, and I can definitely attest analytical methods are not done in such a manner.

[@Michael-mv3kc]

Why did you use a fixedblade for the magnacut and folded for the rest?

[@Halil.İbrahim_Koçoğlu]

Marketing

[@thegovernment0usa]

Another difference, the salt behaves differently in the way it deposits inside the glass. Did they do something differently during that test to improve the MagnaCut's results? 🤔

[@AMBOSHER]

Might be better to try the same knife but a bunch of different steels. Like the Spyderco Para 3. I would imagine all these companies use slightly different processes when treating steels.

[@AMBOSHER]

@@Cahwai ???

[@jerfguy]

I love this idea.

[@PabloPablo-dd1rx]

Dislike! You spoil the beautiful! I want those knives! And you spoil them!😢

[@LIE4ME]

It'd have been better to fill up the the level of the knife blade. The frames rust colored the solution on 2 of those.

[@АлексейСтулёв-у8ж]

Results!! We need the results

[@EDCsteals]

Are u legally blind? The video is a time lapse of the entire test. It shows the results and the entire process of getting to that point

[@HeresTomWithTheWeather]

Didn't know bradford was using magnacut now. I liek

[@Leftyotism]

Where salt series Spyderco? 🥺👉👈

[@hristodimitrov6366]

Salt series of Spyderco is with Magnacut steel

[@Leftyotism]

@@hristodimitrov6366 No, it's H-2.

[@DonTharp]

No use for a super steel. Not field friendly when it comes to sharpening. No doubt great stuff, just not for me. 1095 or 14c28n.

[@growleym504]

Yes field friendly, depending on temper. The thing is, buyers want hardness or they say that they do. Makers are cool with that, and give them what they want, even brag about how hard their blades are, and then the end user has a hard time refreshing the edge, with his AlOx stone or Arkie or Belgian Blue and whines and cries about it. Then he goes to a diamond plate which will cut basically anything, and whines about the chippy edge he gets from putting an HRC64 edge with a hyperacute bevel angle to a cheap diamond hone. Magnacut or most any other "super steel" can easily be tempered down to HRC 58 or so, and that is still pretty hard, harder than most knives actually, but now also very tough and durable, and not so hard that your favorite India or carbordumdum stone can't handle it. You can HT a piece of 1095 to HRC64 and knock it down with the temper to 63 and it will be just as hard to sharpen, but more brittle and chippy than the MagnaCut or some S35VN. Definitely not supersteel, and it shows, in performance. Temper down to HRC57 or so and you got you a good knife, but it will rust a hell of a lot quicker than any of the steels tested here. Treat it with ospho or onion juice and then keep it oiled and you good, but the stainless steels you don't have to baby. I actually LIKE carbon steel in the kitchen, but not in my pocket or toolbox.The blades I make are razors, not knives, and I tried 440C like everybody else, never found them to take the brilliant edge that a well made 01 or 1084 or 1095 razor will take. I have a couple sticks of MagnaCut that will get made into razors sometime this year and I have high expectations, and also some S35VN on the way. and I have seen what a great razor you can make from that stuff, and also what a crappy razor you can make from the same steel. You can't just freestyle knives or razors out of these alloys with your barbecue grill, hair dryer, and magnet. You have to pay close attention to the heat treat data and regulate times and temps to comply pretty darn closely, and you must resist the urge to leave it "just a little bit harder". The hardest blade is not usually the best blade, especially when the bevel angle is very acute.

[@KnivesSurvival]

Wow magnacut

[@RazorSharpMuenchen]

Interesting! Would be cool to know what a slight wd40 coating would do!? O.o

[@Kaklet_Os]

Where is full version?

[@inspiraPaz]

Science is painful.

[@zacharydurham9567]

What are the best and affordable folding knives

[@S.Vallieres]

The only way to properly test for corrosion is to: 1) have the same finish on all blades as coarser finishes promote corrosion; 2) have the steel well wiped out with a solvant like acetone to make sure there is no rust inhibiter on it (oil, cutting/tapping/drilling fluid) or, inversely, a substance that can exacerbate corrosion like mild acid (from acidic fruits for example). When testing a particular property, all other variables must be eliminated. If not, it's barely more than monkeying around and adding more confusion. I salute the intention and effort, but criticize the method. In this case, disassembling, refinishing and thouroughly cleaning the blades should have been done.

[@martinerhard8447]

that is not how you test corrosion resistance even other metal parts are submerged Do a proper spray test

[@geraldlobster7695]

These knives thirsty asf.

[@spotifyoptional6121]

Dishonesty like this will bring doubt to all other information from blade hq you have a trusted rapport in our eyes, don't tarnish it

[@garcia83viz]

What do you have when you put different metals in the same electrolyte bath? A battery. .

[@brodyberry6253]

154 and or CPM 154 would have been nice to see. Also how long were they in the water for anyway?

[@danmatthews5364]

ALL steel will rust with time and the Igor conditions. No steel is truly stainless or rust resistant.

[@J276]

As a d2 steel owner, this hurts😅

[@ThreeLegsTheBandit]

Hope you cleaned those knives up after the experiment. Be a waste of good tools if you didn't.

[@ForRealConfused]

Wow

[@BBBYpsi]

OK how about Edge retention. I will take the D2, S110, 3V over magnacut anyday

[@martyyoung3611]

Where's 440C? AEB-L?

[@xpndblhero5170]

You know, I could do better testing by carrying it every day instead of you soaking them in salt water..... And the plus is that we don't have to see a knife die like this but we can all be happy that it has me as a friend to take care of it for the rest of its life. 😁

[@Mridgwell]

Test toughness and edge retention of the steels from these companies and then it would really be a party , this is low hanging fruit

[@MowgliLA]

No i know i really want a d2

[@moonliteX]

And the results??

[@lancedooley7558]

Would be cool to have a comparison like the cerakote testing with salt spray. YOU WELCOME. 😎

[@osdanicorcho3024]

Q es la prueba q le haces

[@brodyberry6253]

This is so cool.

[@manumomi5492]

Fun fact magnacut has the same amount of chromium than d2

[@FearNoSteel]

Yet, MagnaCut has more Cr in solution.

[@lilwin4536]

I was see this done with the one of quiet carry’s knives in vanax super clean

[@edsaban572]

Still rusted

[@cristobaldiazcorrea3c675]

😭😭😭

[@carrotcreamguitar]

This is simple but pretty useful experiment for me 😊

[@theendangeredpetrolhead]

Should have taken them all out and shown us up close…

[@JeanFrancoisDONNAY]

And with dlc or other surface treatments ?

[@djthechef8975]

Spyderco this is why it is the divers knife of choice

[@agricola]

3v?

[@HammerK99]

What’s amazing is how well the D2 did.

[@pablodmdp]

Never go full Thriller

[@edwarddutra7829]

I know it’s a bit on the brittle side but VG 10 is fantastic for corrosion resistance, so is X 50 CRMOV 15

[@JDC2389]

What are you talking about? Vg10 rusts from sweat in your pocket, lol. Stick with m390!

[@Jaxsens-Js-Better]

can you show some cheap good knives

[@williamcarrigan1082]

Let’s see it done with H1 steel

[@everything_knifes]

Painfull to watch.

[@derekshelton3089]

Now they have 20 plus poison damage

[@Smasho8000]

Gotta give it a cool name after that. Call it the Viper or Cobra.

[@roofcake8951]

+20 Poison Damage -20 Durability

[@iam007derf9]

Thanks for making my next knife choice easier.

[@masonhoutz687]

This feels like a crime

[@travislawrence52]

Most of us don't care about corrosion resistance because we like a good patina. I wish most knife companies understood this. Max out toughness and edge retention instead.

[@maon7565]

Finally! A useful comparison!

[@sumtekiii3638]

song name?

[@Viking7.7.7]

Groovy Town - Aeroplanes

[@diegodelapaz9410]

Magma cut did best

[@Aaron-pb5xy]

Made from volcanos!

[@Ryantomada-e8h]

S45VN?

[@calebacosta959]

Now do cruwear:p