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Z 6 NCDU 25-20-04 M

France AFNOR NF Z6NCDU25-20-04M Foundry products. Austenitic and austeno-ferritic stainless cast steel and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals Z 6 NCDU 25-20-04 M NF A32-056 France Foundry products. Austenitic and austeno-ferritic stainless cast steel

Chemical composition(mass fraction)(wt.%) of the Z 6 NCDU 25-20-04 M

Element Min Max Similar
Si - 1.2000 -
S - 0.0300 -
P - 0.0400 -
Ni 23.0000 27.0000 -
Mo 2.5000 6.0000 -
Mn - 1.5000 -
Cu 1.5000 3.5000 -
Cr 18.0000 22.0000 -
C - 0.0800 -

Mechanical Properties of steel grade Z 6 NCDU 25-20-04 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)
521 (≥) 945 (≥) 13 44 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade Z 6 NCDU 25-20-04 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
42 - -     0.42 -  
732 866 - 41.3 243   -  
158 - 11 22.2   331 321

Heat Treatment of steel grade Z 6 NCDU 25-20-04 M

Heat treated : 1939°C - 1652°C

Technological Curves of steel grade Z 6 NCDU 25-20-04 M

Cross Reference Table (Equivalent Grade) of Z 6 NCDU 25-20-04 M

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