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Spain UNE F.8321 Low alloyed steel casting for general purpose and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: F.8321 / F.8321
Category Grade Standard Region/Area Standard Content
Metals F.8321 UNE 36255 Spain Low alloyed steel casting for general purpose

Chemical composition(mass fraction)(wt.%) of the F.8321

Element Min Max Similar
Si 0.3000 0.5000 -
S - 0.0400 -
P - 0.0400 -
Mn 0.5000 0.8000 -
Cr 0.8000 1.2000 -
C 0.3000 0.4000 -

Mechanical Properties of steel grade F.8321

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)
641 (≥) 139 (≥) 34 31 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade F.8321

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 - -     0.14 -  
985 354 - 11.3 433   -  
993 - 14 23.2   441 321

Heat Treatment of steel grade F.8321

Heat treated : 1659°C - 1597°C

Technological Curves of steel grade F.8321

Cross Reference Table (Equivalent Grade) of F.8321

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