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France AFNOR NF A52FP Railway transport equipment. Recommended steels for railway rolling-stock construction. IV : steels for plates for pressure vessels and highly stressed parts and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A52FP / A 52 FP
Category Grade Standard Region/Area Standard Content
Metals A 52 FP NF F 80-104 France Railway transport equipment. Recommended steels for railway rolling-stock construction. IV : steels for plates for pressure vessels and highly stressed parts

Chemical composition(mass fraction)(wt.%) of the A 52 FP

Element Min Max Similar
V - 0.0500 -
Si - 0.5000 -
S - 0.0200 -
P - 0.0300 -
Ni - 0.5000 -
Nb - 0.0400 -
Mo - 0.1000 -
Mn 1.0000 1.6000 -
Cr - 0.2500 -
C - 0.2000 -

Mechanical Properties of steel grade A 52 FP

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)
936 (≥) 295 (≥) 33 41 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade A 52 FP

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
14 - -     0.23 -  
348 824 - 12.3 133   -  
543 - 12 24.2   422 133

Heat Treatment of steel grade A 52 FP

Heat treated : 1422°C - 1393°C

Technological Curves of steel grade A 52 FP

Cross Reference Table (Equivalent Grade) of A 52 FP

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