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AISI M-42

America AISI AISIM-42 Tool Steel High Speed and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: AISIM-42 / AISI M-42
Category Grade Standard Region/Area Standard Content
Metals AISI M-42 ASTM A600 America Tool Steel High Speed

Chemical composition(mass fraction)(wt.%) of the AISI M-42

Element Min Max Similar
W 1.1500 1.8500 -
V 0.9500 1.3500 -
Si 0.1500 0.6500 -
S - 0.0300 -
P - 0.0300 -
Ni+Cu - 0.7500 -
Mo 9.0000 10.0000 -
Mn 0.1500 0.4000 -
Cr 3.5000 4.2500 -
Co 7.7500 8.7500 -
C 1.0500 1.1500 -

Mechanical Properties of steel grade AISI M-42

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
692 (≥) 363 (≥) 32 11 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade AISI M-42

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
41 - -     0.14 -  
682 198 - 21.3 143   -  
476 - 21 32.2   431 413

Heat Treatment of steel grade AISI M-42

Heat treated : 1386°C - 1756°C

Technological Curves of steel grade AISI M-42

Cross Reference Table (Equivalent Grade) of AISI M-42

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