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France AFNOR NF 14NC11 Case hardening steels - Technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 14NC11 / 14 NC 11
Category Grade Standard Region/Area Standard Content
Metals 14 NC 11 NF A35-551 France Case hardening steels - Technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the 14 NC 11

Element Min Max Similar
Si 0.1000 0.4000 -
S - 0.0350 -
P - 0.0350 -
Ni 2.5000 3.0000 -
Mn 0.2500 0.6000 -
Cr 0.6000 0.9000 -
C 0.1100 0.1700 -

Mechanical Properties of steel grade 14 NC 11

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)
154 (≥) 335 (≥) 44 34 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade 14 NC 11

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
12 - -     0.31 -  
423 451 - 42.3 112   -  
226 - 34 42.2   432 333

Heat Treatment of steel grade 14 NC 11

Heat treated : 1873°C - 1713°C

Technological Curves of steel grade 14 NC 11

Cross Reference Table (Equivalent Grade) of 14 NC 11

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