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Z 55 NMC 12.05

France AFNOR NF Z55NMC12.05 Non standardized steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Z55NMC12.05 / Z 55 NMC 12.05
Category Grade Standard Region/Area Standard Content
Metals Z 55 NMC 12.05 -- France Non standardized steels

Chemical composition(mass fraction)(wt.%) of the Z 55 NMC 12.05

Element Min Max Similar
Si - 0.5000 -
S - 0.0250 -
P - 0.0300 -
Ni 11.5000 12.5000 -
Mo 0.3000 0.7000 -
Mn 4.5000 5.5000 -
Cr 2.5000 3.0000 -
C 0.5000 0.7000 -

Mechanical Properties of steel grade Z 55 NMC 12.05

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)
952 (≥) 992 (≥) 44 14 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade Z 55 NMC 12.05

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 - -     0.32 -  
941 948 - 43.3 331   -  
722 - 24 14.2   324 143

Heat Treatment of steel grade Z 55 NMC 12.05

Heat treated : 1361°C - 1922°C

Technological Curves of steel grade Z 55 NMC 12.05

Cross Reference Table (Equivalent Grade) of Z 55 NMC 12.05

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