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France AFNOR NF FGL300 Founding. Grey cast irons and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: FGL300 / FGL 300
Category Grade Standard Region/Area Standard Content
Metals FGL 300 NF A32-101 France Founding. Grey cast irons

Chemical composition(mass fraction)(wt.%) of the FGL 300

Element Min Max Similar
C 2.0000 - -

Mechanical Properties of steel grade FGL 300

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)
972 (≥) 317 (≥) 41 31 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade FGL 300

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
44 - -     0.41 -  
233 171 - 12.3 213   -  
869 - 12 41.2   131 444

Heat Treatment of steel grade FGL 300

Heat treated : 1988°C - 1832°C

Technological Curves of steel grade FGL 300

Cross Reference Table (Equivalent Grade) of FGL 300

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