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France AFNOR NF FM50 Iron and steel. Non-alloy steel wire rod for wire drawing and cold rolling. Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: FM50 / FM 50
Category Grade Standard Region/Area Standard Content
Metals FM 50 NF A35-051 France Iron and steel. Non-alloy steel wire rod for wire drawing and cold rolling. Grades

Chemical composition(mass fraction)(wt.%) of the FM 50

Element Min Max Similar

Mechanical Properties of steel grade FM 50

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)
536 (≥) 781 (≥) 22 23 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade FM 50

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
21 - -     0.11 -  
342 778 - 41.3 341   -  
349 - 31 14.2   322 412

Heat Treatment of steel grade FM 50

Heat treated : 1422°C - 1545°C

Technological Curves of steel grade FM 50

Cross Reference Table (Equivalent Grade) of FM 50

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