Manganese 0 75 to 1 00 manganese 0 65 to 1 00.
Heat treating 5160 tool steel.
This reference does state that higher temperatures and longer times are needed to dissolve all the carbides in d7 than in other d series tools steels.
5160 steel spec s and heat treating.
5160 aisi 5160h aisi.
Heat treat instructions for this grade can be found in the asm heat treaters guide.
Skipping cryo may improve toughness slightly with a drop in hardness but this was not tested.
5160 has very good toughness with a heat treatment using an austenitizing temperature of 1500 1525 f and tempered at 375 400 f.
How to heat treat simple carbon steels the short version.
That results in 58 5 59 5 rc and very high toughness when heat treated with a cryo step.
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Definitive heat treat sae 5160 51200.
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.
Carbon 0 56 to 0 64 carbon 0 55 to 0 65.
Designer and knifemaker derick rougeau heat treats 5160 steel to be used for torture testing.