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France AFNOR NF Fd4 Iron and steel. Continuously hot-rolled strip of non-alloy and alloy steels for cold re-rolling. Technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Fd4 / Fd 4
Category Grade Standard Region/Area Standard Content
Metals Fd 4 NF A36-102 France Iron and steel. Continuously hot-rolled strip of non-alloy and alloy steels for cold re-rolling. Technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the Fd 4

Element Min Max Similar

Mechanical Properties of steel grade Fd 4

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)
347 (≥) 758 (≥) 22 31 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade Fd 4

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
23 - -     0.31 -  
293 563 - 22.3 323   -  
494 - 31 32.2   341 443

Heat Treatment of steel grade Fd 4

Heat treated : 1423°C - 1233°C

Technological Curves of steel grade Fd 4

Cross Reference Table (Equivalent Grade) of Fd 4

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