It is heat treatable and will offer a hardness in the range 57 62 hrc.
A2 tool steel yield strength.
A2 tool steel can be heat treated to increase hardness and durability.
Yield strength or yield stress is the material property defined as the stress at which a material begins to deform plastically whereas yield.
I did manage to find two data points for a2 in tool steels roberts hamaker johnson.
A2 is a 5 chromium steel which provides high hardness after heat treatment with good dimensional stability.
A2 tool steel properties.
A2 is also an air hardening tool steel but includes less than half the chromium 4 75 5 50 and a bit less carbon 0 95 1 05 than d2.
Yield strength of tool steel a2 steel depends on heat treatment process but it is about 1400 mpa.
A2 tool steel is an air hardening cold work steel.
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Aisi a2 is an air or oil hardening chromiummolybdenum vanadium alloyed tool steel characterized by aisi a2 is characterized by.
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Good machinability high stability after hardening high compressive strength.
Steel gradesaisi a2 chemical information mechanical properties physical properties mechanical properties heat treatment and micro structure thermal properties properties conditions t c treatment thermal expansion 10 6 ºc 10 7 20 100 more aisi a2 physical properties tensile strength 115 234 σb mpa yield strength 23 σ 0 2 mpa.
Like d2 it is incredibly resistant to distortion during heat treating and is moderately machinable and grindable.
It s highly wear resistant and moderately tough.
Heat a2 tool steel part in a standard non vacuum furnace to 970 c 1780 f.
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Hold part at temperature for 30 45 minutes.
They give ultimate tensile strength uts of 269 500 psi and 54hrc if tempered at 1000 f.
Markforged recommends heat treating a2 tool steel to opti mize material properties though it can be used as sintered.