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Z 35 CNWS 14-14

France AFNOR NF Z35CNWS14-14 Valve steels and alloys for internal combustion engines and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Z35CNWS14-14 / Z 35 CNWS 14-14
Category Grade Standard Region/Area Standard Content
Metals Z 35 CNWS 14-14 NF A35-579 France Valve steels and alloys for internal combustion engines

Chemical composition(mass fraction)(wt.%) of the Z 35 CNWS 14-14

Element Min Max Similar
W 2.0000 3.0000 -
Si 1.0000 2.0000 -
S - 0.0300 -
P - 0.0400 -
Ni 13.0000 15.0000 -
Mo - 0.5000 -
Mn - 1.0000 -
Cr 13.0000 15.0000 -
C 0.3000 0.4000 -

Mechanical Properties of steel grade Z 35 CNWS 14-14

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)
111 (≥) 346 (≥) 14 43 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade Z 35 CNWS 14-14

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
22 - -     0.23 -  
497 396 - 12.3 311   -  
579 - 12 31.2   423 243

Heat Treatment of steel grade Z 35 CNWS 14-14

Heat treated : 1756°C - 1474°C

Technological Curves of steel grade Z 35 CNWS 14-14

Cross Reference Table (Equivalent Grade) of Z 35 CNWS 14-14

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