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France AFNOR NF A37FP 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: A37FP / A 37 FP
Category Grade Standard Region/Area Standard Content
Metals A 37 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 37 FP

Element Min Max Similar

Mechanical Properties of steel grade A 37 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)
152 (≥) 342 (≥) 33 23 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade A 37 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
23 - -     0.11 -  
356 398 - 11.3 221   -  
886 - 31 24.2   221 112

Heat Treatment of steel grade A 37 FP

Heat treated : 1656°C - 1698°C

Technological Curves of steel grade A 37 FP

Cross Reference Table (Equivalent Grade) of A 37 FP

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