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France AFNOR NF 38MF5 Cold formed steel product. Drawn bars and peeled-roller polished round bars. Mechanical properties and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 38MF5 / 38 MF 5
Category Grade Standard Region/Area Standard Content
Metals 38 MF 5 NF A37-401 France Cold formed steel product. Drawn bars and peeled-roller polished round bars. Mechanical properties

Chemical composition(mass fraction)(wt.%) of the 38 MF 5

Element Min Max Similar
Si 0.1000 0.4000 -
S 0.2400 0.3200 -
P - 0.0400 -
Mn 1.1000 1.5000 -
Fe - - -
C 0.3500 0.4100 -

Mechanical Properties of steel grade 38 MF 5

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)
295 (≥) 314 (≥) 23 21 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade 38 MF 5

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
42 - -     0.21 -  
177 884 - 23.3 241   -  
883 - 33 22.2   342 343

Heat Treatment of steel grade 38 MF 5

Heat treated : 1191°C - 1794°C

Technological Curves of steel grade 38 MF 5

Cross Reference Table (Equivalent Grade) of 38 MF 5

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