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France AFNOR NF 50CV4 Iron and steel. Special structural steels suitable for the manufacture of suspension components and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 50CV4 / 50 CV 4
Category Grade Standard Region/Area Standard Content
Metals 50 CV 4 NF A35-571 France Iron and steel. Special structural steels suitable for the manufacture of suspension components

Chemical composition(mass fraction)(wt.%) of the 50 CV 4

Element Min Max Similar
V 0.1000 0.2500 -
Si - 0.4000 -
S - 0.0350 -
P - 0.0350 -
Mn 0.7000 1.1000 -
Cr 0.9000 1.2000 -
C 0.4700 0.5500 -

Mechanical Properties of steel grade 50 CV 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)
522 (≥) 751 (≥) 34 34 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade 50 CV 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
42 - -     0.11 -  
976 964 - 42.3 121   -  
725 - 24 14.2   243 333

Heat Treatment of steel grade 50 CV 4

Heat treated : 1175°C - 1786°C

Technological Curves of steel grade 50 CV 4

Cross Reference Table (Equivalent Grade) of 50 CV 4

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