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16 NCD 13

France AFNOR NF 16NCD13 Iron and steel. Case hardened alloy steels for solid highly- stressed mechanical parts. Grades. Semi-finished products and bars and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 16NCD13 / 16 NCD 13
Category Grade Standard Region/Area Standard Content
Metals 16 NCD 13 NF A35-567 France Iron and steel. Case hardened alloy steels for solid highly- stressed mechanical parts. Grades. Semi-finished products and bars

Chemical composition(mass fraction)(wt.%) of the 16 NCD 13

Element Min Max Similar
Si - 0.5000 -
S - 0.0250 -
P - 0.0300 -
Ni 4.0000 4.5000 -
Mo 0.1500 0.4500 -
Mn - 0.5000 -
Cr 1.0000 1.4000 -
C 0.1200 0.1800 -

Mechanical Properties of steel grade 16 NCD 13

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)
776 (≥) 942 (≥) 32 12 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade 16 NCD 13

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
32 - -     0.23 -  
648 286 - 13.3 424   -  
834 - 31 34.2   331 312

Heat Treatment of steel grade 16 NCD 13

Heat treated : 1593°C - 1286°C

Technological Curves of steel grade 16 NCD 13

Cross Reference Table (Equivalent Grade) of 16 NCD 13

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