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Z 6 CNUD 16.04

France AFNOR NF Z6CNUD16.04 Iron and steel. Heat treatable steels for externally threaded high performance fasteners for use at high temperatures and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Z6CNUD16.04 / Z 6 CNUD 16.04
Category Grade Standard Region/Area Standard Content
Metals Z 6 CNUD 16.04 NF A35-558 France Iron and steel. Heat treatable steels for externally threaded high performance fasteners for use at high temperatures

Chemical composition(mass fraction)(wt.%) of the Z 6 CNUD 16.04

Element Min Max Similar
Si - 1.0000 -
S - 0.0250 -
P - 0.0350 -
Ni 3.0000 5.0000 -
Mo 1.2000 2.0000 -
Mn - 1.0000 -
Cu 3.0000 5.0000 -
Cr 13.5000 15.5000 -
C - 0.0700 -

Mechanical Properties of steel grade Z 6 CNUD 16.04

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)
289 (≥) 934 (≥) 23 41 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade Z 6 CNUD 16.04

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
31 - -     0.32 -  
488 341 - 11.3 213   -  
987 - 14 21.2   223 224

Heat Treatment of steel grade Z 6 CNUD 16.04

Heat treated : 1874°C - 1669°C

Technological Curves of steel grade Z 6 CNUD 16.04

Cross Reference Table (Equivalent Grade) of Z 6 CNUD 16.04

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