What Is THE TOUGHEST KNIFE STEEL? Testing knife steel.

What is the toughest knife steel for the ultimate knife? Today was test some super tough knife making steel, S7 and 1084.

This is not a super scientific test, but I think it goest to show just how tough these steels are.
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Heat treatment for s7:

Hardening Crucible Recommended

Preheat: 1350/1400F, equalize.

High Heat: 1725/1750F, hold 30/45 minutes at temperature.

I heated to 1725F wrapped in foil and held for 40 minutes.

Quench: Air, positive pressure vacuum, interrupted oil to 150F. Sections over about 3″ thick may require oil quenching to attain full hardness.

I quenched in air.

Temper: 350/1000F, hold one hour per inch of thickness (two hours minimum), air cool to room temperature. Double tempering is recommended.

I tempered at 400 for 2, two hour cycles.
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Heat treatment for 1084
Normalized 1600f / 1425F / 1200F
cool in still air

Heated to 1475 hold 5 minutes quench in parks 50

Temper at 440F 2x2hr

About⬇️
Hi, Im Alex, im a knife maker and YouTuber, based out of southern Mars and my youtube channel is Outdoors55. This channel started as an outdoor backpacking channel, but quickly grew into a knife/ knife making channel. Everything I do on my channel is family friendly. I primarily focus on knife / knife making videos but occasionally throw in something different. Thank you for watching!😀

#knifemaking #knife #knifemaker #outdoors55

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