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America UNS G86254 Free cutting steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: G86254 / G86254
Category Grade Standard Region/Area Standard Content
Metals G86254 -- America Free cutting steel

Chemical composition(mass fraction)(wt.%) of the G86254

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0400 -
Pb 0.1500 0.3500 -
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 -

Mechanical Properties of steel grade G86254

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)
237 (≥) 733 (≥) 13 34 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade G86254

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
33 - -     0.22 -  
886 945 - 34.3 212   -  
118 - 32 22.2   231 113

Heat Treatment of steel grade G86254

Heat treated : 1213°C - 1935°C

Technological Curves of steel grade G86254

Cross Reference Table (Equivalent Grade) of G86254

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