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AISI 5120

America AISI AISI5120 Chemical compositions of SAE alloy steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: AISI5120 / AISI 5120
Category Grade Standard Region/Area Standard Content
Metals AISI 5120 SAE J 404 America Chemical compositions of SAE alloy steels

Chemical composition(mass fraction)(wt.%) of the AISI 5120

Element Min Max Similar
C 0.1700 0.2200 -
Mn 0.7000 0.9000 -
P - 0.0300 -
S - 0.0400 -
Si 0.1500 0.3500 -
Ni - 0.2500 -
Cr 0.7000 0.9000 -
Mo - 0.0600 -
Cu - 0.3500 -
Pb 0.1500 0.3500 -
C 0.1700 0.2200 -
Mn 0.7000 0.9000 -
P - 0.0350 -
S - 0.0400 -
Si 0.1500 0.3500 -
Ni - 0.2500 -
Cr 0.7000 0.9000 -
Mo - 0.0600 -
Cu - 0.3500 -
Pb - - -
C 0.1700 0.2200 -
Mn 0.7000 0.9000 -
P - 0.0250 -
S - 0.0250 -
Si 0.1500 0.3000 -
Cr 0.7000 0.9000 -
C 0.1700 0.2200 -
Mn 0.7000 0.9000 -
P - 0.0250 -
S - 0.0250 -
Si 0.1500 0.3000 -
Cr 0.7000 0.9000 -
C 0.1700 0.2200 -
Mn 0.7000 0.9000 -
P - 0.0300 -
S - 0.0400 -
Si 0.1500 0.3500 -
Ni - 0.2500 -
Cr 0.7000 0.9000 -
Mo - 0.0600 -
Cu - 0.3500 -
Pb 0.1500 0.3500 -

Mechanical Properties of steel grade AISI 5120

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)
276 (≥) 733 (≥) 31 24 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade AISI 5120

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
44 - -     0.42 -  
348 392 - 32.3 313   -  
372 - 12 11.2   444 311

Heat Treatment of steel grade AISI 5120

Heat treated : 1687°C - 1846°C

Technological Curves of steel grade AISI 5120

Cross Reference Table (Equivalent Grade) of AISI 5120

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