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Spain UNE F.8331 Low alloyed steel casting for general purpose and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: F.8331 / F.8331
Category Grade Standard Region/Area Standard Content
Metals F.8331 UNE 36255 Spain Low alloyed steel casting for general purpose

Chemical composition(mass fraction)(wt.%) of the F.8331

Element Min Max Similar
Si 0.3000 0.5000 -
S - 0.0400 -
P - 0.0400 -
Mo 0.1500 0.3000 -
Mn 0.5000 0.8000 -
Cr 0.8000 1.2000 -
C 0.3000 0.3800 -

Mechanical Properties of steel grade F.8331

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)
174 (≥) 499 (≥) 21 44 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade F.8331

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
31 - -     0.44 -  
669 173 - 44.3 314   -  
664 - 24 32.2   233 141

Heat Treatment of steel grade F.8331

Heat treated : 1615°C - 1472°C

Technological Curves of steel grade F.8331

Cross Reference Table (Equivalent Grade) of F.8331

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