You may want to read what those tests consist of.
Heat treating 5160 steel knife.
They used 5160 bought new from a reputable dealer and the instructors told them they could forge and heat treat it and pass the abs journeyman cutting tests with a knife made from 5160.
Heat the steel to non magnetic any way you can 815 c 1500 f no hold time required just get the entire blade to this temperaturequickly quench in luke warm canola oil oil is about 30 c 86 f sand the flats with some sand paper just enough to get a few shiny sections temper the blade in the stove for 2 hours x 2 at 200 c 390 f the.
For my next installment in the beginners series i decided to do the fast and loose approach to heat treating 5160 sup9 which are the same thing.
Recommended working sequence for 5160.
More info below beginner knife making steel video.
The 4 steps you need to know.
This will work for smaller knives with the bunn.
How to heat treat simple carbon steels the short version.
This method will be suitable for people who already have an oxy lp oxy acetylene rig.
Knife making how to heat treat a knife super simple diy heat treating.
Heat to 1600 f 870 c and cool in still air.