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Z 120 M 12

France AFNOR NF Z120M12 Non standardized steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Z120M12 / Z 120 M 12
Category Grade Standard Region/Area Standard Content
Metals Z 120 M 12 -- France Non standardized steels

Chemical composition(mass fraction)(wt.%) of the Z 120 M 12

Element Min Max Similar
Si 0.2000 0.6000 -
S - 0.0350 -
P - 0.0450 -
Mn 11.0000 14.0000 -
C 1.0500 1.3500 -
Si 0.2000 0.6000 -
S - 0.0350 -
P - 0.0450 -
Mn 11.0000 14.0000 -
C 1.0500 1.3500 -

Mechanical Properties of steel grade Z 120 M 12

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)
757 (≥) 651 (≥) 23 12 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade Z 120 M 12

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
41 - -     0.31 -  
861 131 - 44.3 413   -  
837 - 11 14.2   122 131

Heat Treatment of steel grade Z 120 M 12

Heat treated : 1563°C - 1655°C

Technological Curves of steel grade Z 120 M 12

Cross Reference Table (Equivalent Grade) of Z 120 M 12

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