Tempering ax at home.

Author Valery Samovich.
In this clip as an example of an ax I want to show the heat treatment of tool steel in the home, which includes three stages: annealing, quenching, tempering.
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Content:
00:48 Assessment of hardness steel with a file
2:10 Correct hardening ax
3:40 Steel for axes
4:15 modes of heat treatment of steel U7, U7A
5:34 blunt cutting edge
5:47 Annealing
6:29 Check temperature red-hot steel magnet
7:00 tint and incandescence
8:22 Hardening
8:50 Hardening in two environments
9:01 Burning oil
9:53 Stripping ax wire circle
10:15 Holidays
10:24 Bookmark ax for holidays
10:44 Axe after holiday
10:54 Information on hardness of steel U7, depending on the tempering temperature
11:56 Tempering autotempered
Valery Samovich March 2016.
Composition "Bama Country - Country" belongs to the artist Kevin MacLeod. License: Creative Commons Attribution (creativecommons.org/licenses/....
Original version: incompetech.com/music/royalty-....
Artist: incompetech.com/