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Z 4 CNU 17.4 M

France AFNOR NF Z4CNU17.4M 铸钢件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Z4CNU17.4M / Z 4 CNU 17.4 M
Category Grade Standard Region/Area Standard Content
Metals Z 4 CNU 17.4 M -- France 铸钢件

Chemical composition(mass fraction)(wt.%) of the Z 4 CNU 17.4 M

Element Min Max Similar
Si - 1.2000 -
S - 0.0300 -
P - 0.0400 -
Ni 3.0000 5.0000 -
Mn - 1.5000 -
Cu 3.0000 5.0000 -
Cr 15.5000 17.5000 -
C - 0.0600 -

Mechanical Properties of steel grade Z 4 CNU 17.4 M

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)
242 (≥) 634 (≥) 24 12 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade Z 4 CNU 17.4 M

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
43 - -     0.21 -  
295 718 - 14.3 122   -  
166 - 14 14.2   114 412

Heat Treatment of steel grade Z 4 CNU 17.4 M

Heat treated : 1374°C - 1286°C

Technological Curves of steel grade Z 4 CNU 17.4 M

Cross Reference Table (Equivalent Grade) of Z 4 CNU 17.4 M

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