5 Truths About Knives That Are Actually… False!

handmade knife

If you believe the better the steel is on the knife the harder your knife will be, you're not alone. It turns out a lot of people believe this myth, but things aren't always what they seem…

Myth #1 – If my knife is hard this has to do with its type of steel

According to More Than Just Surviving:

This knife myth is obviously more common amongst those of us who are really into knives. Typically, those who buy knives purely as tools and don’t have vast collections of them (ahem! yes that’s me), rarely look at steel type. That being said, amongst those of us (and I do include myself in that us) who obsess over the materials a knife is made out of, this myth is pretty popular.

steel knife

Debunking the Myth: 

All knives made out of steel have an optimal hardness, however, the heat treat is what makes the knife hard. The hardness of the blade is from that heat treat and not the type of steel the blade is made of.

To coincide with believing the hardness of the steel blade means it's an excellent knife, you may also believe this similar interesting myth (I thought it was the truth up till now)!

To find out which surprising myth I'm talking about, check out the next page!

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63 Comments

  1. Darren Rich said:

    I agree with you on that. I carried my kabar in iraq, and put it through hell. I’ve had the blade bend but not break and it took a lot to accomplish that. Sog’s i have numerous break on me.

  2. Mack Williams said:

    I make knives and this guy authoring this and most of y’all HAVE NO CLUE about what you are saying. Most cheap non stainless knives, like most Kabars, ESEE, and 1095 and 1075 knives will break before they bend. They are made from the same steel as lawn mower blades. I like lawn mower blades on lawn mowers but would never wear one in a sheath. Like files they can be properly tempered but the factories do not usually temper them properly. It is not hardness but proper tempering that seperates junk, like most Kabars and ESEEs, Beckers and so forth from quality blades. Some of the most ” life ” dependable blades are the cheaper brands like Mora and the Scandanavian brands that use a laminate steels. What about 85% of the mall ninjas think are good blades I wouldn’t carry to a weinie roast. Learn about steels before you offer an opinion. The 440 stainless blades of reputable manufacture are pretty unbeatable but so are other recipies if PROPERLY TEMPERED. Leave the hardness discussion to your prick but good blades properly tempered can be made from even grandpas broken files.

  3. Mack Williams said:

    That was about the only thing he did get right. I have knives of just about all blade profiles, even sabre grind but to me I can adapt to blade profile but the proper temper is the true magic of blade science.

  4. Monty Fielding said:

    Dan Brown, is that rehandled, or a special edition, or what? The handle looks nice. I don’t usually care for Esee’s handle aesthetics, but I could go for something like that.

  5. Dan Brown said:

    Tkc scales and grizzly out doors kydex sheath and thanks for asking

  6. Dan Brown said:

    Dalton Mcdermott it’s been used a lot I have no clue what they used to coat the blade but it seems more durable than bedliner Esee also has a no questions warranty on all their products if you break it mail it to them and you get a new one no questions asked even if it was obviously intentional

  7. Dan Kidder said:

    Material has nothing to do with hardness? Um, the hardening process realigns the crystalline properties inherent in the material, so how can the basic material have no bearing on the hardness. Has this guy ever made a knife? He is a “collector” so I am assuming that means he watches the Knife Show and has a large collection of Frost and Ruko knives that just “look so cool.”

  8. Smitty Searles said:

    Mack Proper temper is minuscule compared to proper hardening… For all your preaching about tempering as a knife maker, you seem to be forgetting the biggest concern is getting the carbon and carbides into solution and converting the austenite to martensite without causing grain growth or leaving yourself a bunch of left over austenite to worry about converting. Big grains and large amounts left over austenite from a bad heat treat aren’t fixed by tempering… While tempering can help the blades balance between toughness, wear resistance, and hardness; it’s a useless step if you didn’t properly anneal, stress relieve, and harden the steel first. Moreover before you go shooting your mouth off about “laminate steel” you should probably take a minute and google “San Mai steel or Damascus steel” it’s been used in knives way more often and for much longer than the steel from your pappy’s files…

  9. Smitty Searles said:

    On what planet are lawnmower blades made from 1095?!?! And when you’re referring to 440 do you mean 440A, 440B, or 440C?

  10. Mack Williams said:

    I studied knife making under the best unknown knife maker in this country, Jim Mayes. In the late ’70s he wrote a book called ” How to Make Your Own Knives ” which to date has sold close to 100,000 copies. On Amazon today it lists for over $300.00 a copy in new condition. I studied under Jim for about 5 yrs and have expanded my knowledge and experience base well beyond his vast grasp on the totality of all things relating to blade science. 20 + years ago when I was training under Jim the 1065 to 1095 steels were not very well thought of as the basis for quality blades without out proper heat treating and tempering. Unlike older work hardened and tempered large circular and band saw blades lawn mower blades and leaf springs were the realm of hacks and Filipina knifemakers. The goomers who made fake Damascus outta cable were the only lower repute beaters than those already mentioned. I am now presently in the process of setting up a new shop on my own property and when I get it up and running I will be better able to address all knife making issues including major repairs.

  11. Truth said:

    The hardness of the blade is from that heat treat and not the type of steel the blade is made of. That’s just a load of bullshit. The composure of the steel has everything to do with its ability to achieve the desired heat treat, ie hardness.

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