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France AFNOR NF FBA Foundry products. Alloy and unalloyed white cast iron castings and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: FBA / FB A
Category Grade Standard Region/Area Standard Content
Metals FB A NF A32-401 France Foundry products. Alloy and unalloyed white cast iron castings

Chemical composition(mass fraction)(wt.%) of the FB A

Element Min Max Similar
Si 0.4000 1.5000 -
Ni 0.3000 3.0000 -
Mo 0.1000 1.0000 -
Mn 0.2000 0.8000 -
Cr 0.2000 2.0000 -
C 2.7000 3.9000 -

Mechanical Properties of steel grade FB A

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)
753 (≥) 527 (≥) 34 42 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade FB A

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
43 - -     0.13 -  
964 553 - 32.3 232   -  
918 - 13 32.2   121 144

Heat Treatment of steel grade FB A

Heat treated : 1167°C - 1779°C

Technological Curves of steel grade FB A

Cross Reference Table (Equivalent Grade) of FB A

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