How to Make a Custom Knife Blade : Custom Knives: Equalizing Blade Temperature

[Danisanoob13]

Boyka!

[Gameomg]

He looks like he just got released from prison. Wonder where those skills came from.

[avelloch]

heh heh nice one brick forge!!!  woot 50$ knife shop

[Wond3rballs]

It kind of is rocket science, because they have to know allot about material properties and how they behave in every possible conceivable way. But yeah knifes are not rockets so yes.

[HomoGnosticus]

neat forge set up, compact and effective, I like it

[octavianjuravle]

how come is not magnetic?

realy

[varun009]

@octavianjuravle the blade is really hot which means that the free electrons in it are moving like crazy therefore the magnet that he is using cant align them. but his statement is quite vague, if he had used a stronger magnet im sure that the blade would've cooled and magnetized.

[hathegkla]

@varun009 windmills do not work that way! when steel is above critical (the temperature where carbon/alloying elements become soluble in the steel) it becomes nonmagnetic, if the steel is cool enough to be magnetic it is not hot enough to be hardened properly. the magnet method is still not very precise, using a temperature controlled furnace is much easier and is necessary with some kinds of steel, especially ones requiring relatively higher temperatures.

[kingdmx3]

is that a kilen brick?

[lynette1953]

expert village is full of bullshit!!!!!!!!!

[slab698]

to all those interested in knifemaking this video is putting out wrong info. once the blade is at critical temperature quench it. you lose carbon content the longer you have it above critical temperature

[Aqualiteking]

Actually sometimes you need to raise the steel past critical temp because different steels require different quenching temperatures.

[Conan568]

This is wrong.

When I forge a knife I normalize it overnight in my forge then grind it to shape.

Then I heat the edge to critical temperature and quench it in oil.

The edge comes out very hard and there is no 7 minute wait.

Someone fed this guy bullshit, and he's passing it along..

[firecrackerg60]

after watching your videos, I am inclined to believe you over an "expert village" docu.

Conan568 "proper job"

[sc00ny]

Trust you to say what needed to be said!!

& well said also!

Expert village? Can you imagine what there town halls like on a saturday night?

No thanks!

[Aqualiteking]

Sometimes you need to equalise blade becuase some steels heat up faster on the outside and when you quench the steel on the inside is softer. This will result in a blade which won't hold a edge as well as a blade that has been equalized.

[rotation5]

hey what steel did you use for this . im pretty sure that u shouldent soak it because when you do that the carbon burn off and messes up your blade but i may be wrong

[sc00ny]

I'm not sure what this guy's using.

Most stainless needs to be 'soaked' for up to 10 minutes, but you really need to harden the whole blank with SS because, unhardened, it isn't stainless.

You don't need to soak pain carbon steels for that long & certainly don't need to get them up to that temperature, unless of course you are forging.

You lose a tiny bit of carbon everytime you heat a blade like this, unless you use good coke or charcoal.

[O1toolsteel]

I believe he is using 5160. the decarb wouldn't be that bad, only a few thousands of an inch after about 30 mins. For a simple steel like 1075, a soak isn't necessary, but for a higher alloy steel (O1, A2, stainless steels etc) a good soak helps the carbon form into a solution .

[bomac10000]

Excellent video by the way!

[olwhistler]

Thanks for the info , I want to learn to gorge knives. aND i READ ALL i CAN. What kind of setup do you use to get the gas into you bricks ? Thanks HOYT

[bomac10000]

Hoyt,

You can find a similar, but simpler setup in a book called the 50.00 knife shop. It is much easier to do than setting up the hose connection seen here. A simple bernz-o-matic torch stuck in the side of a piece of fire brick will achieve the same outcome.

[DjEndurancE]

I'm the first person to view this video!!

Where's my prize??