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Z 8 CNDT 17.12

France AFNOR NF Z8CNDT17.12 Non standardized steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Z8CNDT17.12 / Z 8 CNDT 17.12
Category Grade Standard Region/Area Standard Content
Metals Z 8 CNDT 17.12 -- France Non standardized steels

Chemical composition(mass fraction)(wt.%) of the Z 8 CNDT 17.12

Element Min Max Similar
Ti - - -
Si - 1.0000 -
S - 0.0300 -
P - 0.0400 -
Ni 11.0000 13.0000 -
Mo 2.0000 2.5000 -
Mn - 2.0000 -
Cr 16.0000 18.0000 -
C - 0.1000 -

Mechanical Properties of steel grade Z 8 CNDT 17.12

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)
256 (≥) 582 (≥) 32 33 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade Z 8 CNDT 17.12

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
13 - -     0.33 -  
162 899 - 32.3 114   -  
593 - 43 11.2   333 332

Heat Treatment of steel grade Z 8 CNDT 17.12

Heat treated : 1664°C - 1138°C

Technological Curves of steel grade Z 8 CNDT 17.12

Cross Reference Table (Equivalent Grade) of Z 8 CNDT 17.12

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