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France AFNOR NF 40NCD3 Non standardized steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 40NCD3 / 40 NCD 3
Category Grade Standard Region/Area Standard Content
Metals 40 NCD 3 -- France Non standardized steels

Chemical composition(mass fraction)(wt.%) of the 40 NCD 3

Element Min Max Similar

Mechanical Properties of steel grade 40 NCD 3

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)
854 (≥) 499 (≥) 23 44 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade 40 NCD 3

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 - -     0.14 -  
376 779 - 31.3 321   -  
355 - 22 24.2   434 111

Heat Treatment of steel grade 40 NCD 3

Heat treated : 1897°C - 1874°C

Technological Curves of steel grade 40 NCD 3

Cross Reference Table (Equivalent Grade) of 40 NCD 3

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