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France AFNOR NF FB15 Iron and steel. Non-alloy steel wire rod for products made by hot or cold forming. Types and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: FB15 / FB 15
Category Grade Standard Region/Area Standard Content
Metals FB 15 NF A35-053 France Iron and steel. Non-alloy steel wire rod for products made by hot or cold forming. Types

Chemical composition(mass fraction)(wt.%) of the FB 15

Element Min Max Similar
Si - 0.0500 -
S - 0.0350 -
P - 0.0350 -
Mn 0.4000 0.7000 -
C 0.1200 0.1700 -
Al 0.0300 0.0800 -

Mechanical Properties of steel grade FB 15

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)
928 (≥) 662 (≥) 31 24 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade FB 15

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 - -     0.22 -  
797 745 - 13.3 134   -  
759 - 23 34.2   443 113

Heat Treatment of steel grade FB 15

Heat treated : 1953°C - 1166°C

Technological Curves of steel grade FB 15

Cross Reference Table (Equivalent Grade) of FB 15

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