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

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

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

Element Min Max Similar

Mechanical Properties of steel grade ES

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)
688 (≥) 875 (≥) 43 13 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade ES

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 - -     0.23 -  
698 687 - 41.3 231   -  
175 - 12 31.2   232 344

Heat Treatment of steel grade ES

Heat treated : 1416°C - 1215°C

Technological Curves of steel grade ES

Cross Reference Table (Equivalent Grade) of ES

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