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France AFNOR NF 16NC6 Case hardening steels - Technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 16NC6 / 16 NC 6
Category Grade Standard Region/Area Standard Content
Metals 16 NC 6 NF A35-551 France Case hardening steels - Technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the 16 NC 6

Element Min Max Similar
Si 0.1000 0.4000 -
S - 0.0350 -
P - 0.0350 -
Ni 1.2000 1.5000 -
Mn 0.6000 0.9000 -
Cr 0.9000 1.2000 -
C 0.1200 0.1700 -
Si 0.1000 0.4000 -
S - 0.0350 -
P - 0.0350 -
Ni 1.2000 1.5000 -
Mn 0.6000 0.9000 -
Cr 0.9000 1.2000 -
C 0.1200 0.1700 -

Mechanical Properties of steel grade 16 NC 6

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)
114 (≥) 297 (≥) 22 42 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade 16 NC 6

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
14 - -     0.12 -  
962 778 - 14.3 242   -  
238 - 12 21.2   323 414

Heat Treatment of steel grade 16 NC 6

Heat treated : 1759°C - 1379°C

Technological Curves of steel grade 16 NC 6

Cross Reference Table (Equivalent Grade) of 16 NC 6

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