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France AFNOR NF E24-4 Hot-rolled products of non alloy structural steels. Technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: E24-4 / E 24-4
Category Grade Standard Region/Area Standard Content
Metals E 24-4 NF A35-501 France Hot-rolled products of non alloy structural steels. Technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the E 24-4

Element Min Max Similar

Mechanical Properties of steel grade E 24-4

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)
361 (≥) 689 (≥) 44 12 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade E 24-4

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
33 - -     0.44 -  
515 171 - 44.3 441   -  
367 - 11 31.2   142 231

Heat Treatment of steel grade E 24-4

Heat treated : 1581°C - 1291°C

Technological Curves of steel grade E 24-4

Cross Reference Table (Equivalent Grade) of E 24-4

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