Compare grades using mechanical properties including abrasion resistance toughness size stability machinability and grindability.
M4 tool steel yield strength.
Hardness vs compressive yield strength.
A2 d2 and m4.
The wear resistance properties and cost place a2 between that of o1 and d2 tool steel making it a good all purpose grade for many applications.
However the high hardness and high vanadium carbide content make it more difficult to grind after heat treatment compared to m2 and other high speed steels.
The high carbon content enables m4 steel to be hardened in excess of 65hrc.
This page shows summary ranges across both of them.
Griggs steel color code.
248 hb max q t.
In stock and ready to ship.
In fact solid carbide tooling is typically 85 or 90 tungsten carbide particles in a matrix of 10 or 15 cobalt to hold them together.
64 hrc min different hardness according different tempering temperature.
Compare popular tool steel grades a2 m2 d2 s7 o1 using the chart below.
The high impact toughness and high transverse bend strength are results of the fine grain.
Rockwell c30 hard heat treatable.
A2 tool steel is an air hardening cold work chromium alloy die steel that is preferable to o1 tool steel in applications requiring greater size stability machinability and safer hardening.
Its sweet spot hardness is 54 56 hrc and a yield strength of 235 ksi at a 500 degree fahrenheit temper.
A large volume of vanadium carbides provides the high wear resistance.
For more specific values follow the links immediately below.
Hardness after heat treatment.
Cpm rex m4 hc high speed steel is an extremely versatile high speed steel that provides a unique combination of high wear resistance with high impact toughness and transverse bend strength.
The properties of sae aisi m4 steel include two common variations.
Hs 6 5 4 e m4 skh 54 stark.
Sae aisi m4 steel is a tool steel.
M4 is the designation in both the sae and aisi systems for this material.
Choose from our selection of grade m2 tool steel including over 500 products in a wide range of styles and sizes.
Cpm rex m4 hc powder metal high speed steel.
Chemically the microscopic carbide.
T11304 is the uns number.
