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

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

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

Element Min Max Similar

Mechanical Properties of steel grade XE

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)
869 (≥) 884 (≥) 43 31 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade XE

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
31 - -     0.31 -  
492 112 - 11.3 121   -  
755 - 11 23.2   131 312

Heat Treatment of steel grade XE

Heat treated : 1341°C - 1449°C

Technological Curves of steel grade XE

Cross Reference Table (Equivalent Grade) of XE

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