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France AFNOR NF F14 Rolling stock. Recommended steels for rolling stock construction. VI: cold forming steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: F14 / F 14
Category Grade Standard Region/Area Standard Content
Metals F 14 NF F 80-106 France Rolling stock. Recommended steels for rolling stock construction. VI: cold forming steels

Chemical composition(mass fraction)(wt.%) of the F 14

Element Min Max Similar

Mechanical Properties of steel grade F 14

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)
556 (≥) 433 (≥) 13 41 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade F 14

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 - -     0.14 -  
984 476 - 42.3 444   -  
161 - 11 12.2   312 411

Heat Treatment of steel grade F 14

Heat treated : 1345°C - 1523°C

Technological Curves of steel grade F 14

Cross Reference Table (Equivalent Grade) of F 14

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