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France AFNOR NF ZES Rolling stock. Recommended steels for rolling stock construction. VI: cold forming steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ZES / ZES
Category Grade Standard Region/Area Standard Content
Metals ZES NF F 80-106 France Rolling stock. Recommended steels for rolling stock construction. VI: cold forming steels

Chemical composition(mass fraction)(wt.%) of the ZES

Element Min Max Similar

Mechanical Properties of steel grade ZES

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)
929 (≥) 279 (≥) 12 41 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade ZES

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
23 - -     0.12 -  
941 971 - 12.3 323   -  
568 - 42 31.2   331 431

Heat Treatment of steel grade ZES

Heat treated : 1368°C - 1543°C

Technological Curves of steel grade ZES

Cross Reference Table (Equivalent Grade) of ZES

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