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America SAE 86B25 Chemical compositions of SAE alloy steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 86B25 / 86B25
Category Grade Standard Region/Area Standard Content
Metals 86B25 SAE J 404 America Chemical compositions of SAE alloy steels

Chemical composition(mass fraction)(wt.%) of the 86B25

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0400 -
P - 0.0350 -
Ni 0.4000 0.7000 -
Mo 0.1500 0.2500 -
Mn 0.6000 0.9000 -
Cu - 0.3500 -
Cr 0.3500 0.6000 -
C 0.2200 0.2900 -
B 0.0005 0.0030 -

Mechanical Properties of steel grade 86B25

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)
893 (≥) 852 (≥) 11 12 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade 86B25

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
13 - -     0.13 -  
859 986 - 43.3 423   -  
781 - 44 22.2   432 343

Heat Treatment of steel grade 86B25

Heat treated : 1862°C - 1997°C

Technological Curves of steel grade 86B25

Cross Reference Table (Equivalent Grade) of 86B25

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