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France AFNOR NF 18CND6 Non standardized steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 18CND6 / 18 CND 6
Category Grade Standard Region/Area Standard Content
Metals 18 CND 6 -- France Non standardized steels

Chemical composition(mass fraction)(wt.%) of the 18 CND 6

Element Min Max Similar
Si 0.2000 0.4000 -
S - 0.0350 -
P - 0.0400 -
Ni 0.8000 1.2000 -
Mo 0.1500 0.3000 -
Mn 0.4000 0.7500 -
Cr 1.4000 1.8000 -
C 0.1300 0.2200 -

Mechanical Properties of steel grade 18 CND 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)
585 (≥) 127 (≥) 14 13 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade 18 CND 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
42 - -     0.22 -  
288 238 - 24.3 433   -  
827 - 34 13.2   124 114

Heat Treatment of steel grade 18 CND 6

Heat treated : 1696°C - 1538°C

Technological Curves of steel grade 18 CND 6

Cross Reference Table (Equivalent Grade) of 18 CND 6

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