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AISI 8641

America AISI AISI8641 Former SAE Standard and Former SAE Ex-Steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: AISI8641 / AISI 8641
Category Grade Standard Region/Area Standard Content
Metals AISI 8641 SAE J 1249 America Former SAE Standard and Former SAE Ex-Steels

Chemical composition(mass fraction)(wt.%) of the AISI 8641

Element Min Max Similar
C 0.4000 0.4500 -
Mn 0.7500 1.0000 -
P - 0.0350 -
S - 0.0400 -
Si 0.1500 0.3500 -
Ni 0.4000 0.7000 -
Cr 0.4000 0.6000 -
Mo 0.1500 0.2500 -
Cu - 0.3500 -
Pb - - -
C 0.4000 0.4500 -
Mn 0.7500 1.0000 -
P - 0.0250 -
S - 0.0250 -
Si 0.1500 0.3000 -
Ni 0.4000 0.7000 -
Cr 0.4000 0.6000 -
Mo 0.1500 0.2500 -

Mechanical Properties of steel grade AISI 8641

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)
119 (≥) 515 (≥) 34 11 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade AISI 8641

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
34 - -     0.32 -  
678 616 - 32.3 144   -  
317 - 23 42.2   241 112

Heat Treatment of steel grade AISI 8641

Heat treated : 1148°C - 1554°C

Technological Curves of steel grade AISI 8641

Cross Reference Table (Equivalent Grade) of AISI 8641

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