In this video we explore the reasons why knife manufacturers and knife makers may leave their knives softer than we would like.
I am simply testing what happens when knives break (hardened steel) using slow motion. I am not testing knife heat treatment response.
This could apply to more than just knives, such as other hardened steel/ machining applications. This is not meant to be a scientific test with all variables controlled. Only a what happens when, test.
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Chapters
00:00 Are harder steels less safe than softer steel?
00:26 Giant piece of steel flew off and through my photo booth
01:42 What I did to prepare for this test
02:49 A look at the test samples
03:43 Time to break some steel
03:50 No temper 65.5 HRC break slow motion
06:06 Temper @300F 63HRC break slow motion
07:05 Temper @350F 61.8HRC break slow motion
07:50 Temper @375F 61 HRC break slow motion
08:37 Temper @ 400F 60.2HRC break slow motion
08:55 MUST SEE!
09:59 Temper @425 59HRC break slow motion
11:22 Temper @450F 58.5 HRC break slow motion
12:01 Temper @475F 57.5HRC INSANE!
13:31 Thoughts on this testing is it relevant?

About⬇
Hi, Im Alex, i'm a knife maker and YouTuber, based out of southern Pennsylvania 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!



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I earn from qualifying purchases


For entertainment only. I am not, and will not be held responsible for anyone reenacting/ duplicating anything seen in these videos. Do so at your own risk. Do not duplicate anything seen in this video. Unless you are an adult responsible for your own decisions. Thanks

All my videos are copyright protected and not for sale.

Everything I say and do on this channel is protected free speech. I am simply exercising my 1st amendment right under the United States constitution. The supreme law of the land. I am exercising my right to protest. As well as my 4th and 5th amendment rights.

Music from epidemic sound