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France AFNOR NF FM9 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: FM9 / FM 9
Category Grade Standard Region/Area Standard Content
Metals FM 9 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 9

Element Min Max Similar

Mechanical Properties of steel grade FM 9

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)
923 (≥) 382 (≥) 24 33 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade FM 9

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 - -     0.22 -  
182 275 - 12.3 144   -  
842 - 31 33.2   343 431

Heat Treatment of steel grade FM 9

Heat treated : 1355°C - 1134°C

Technological Curves of steel grade FM 9

Cross Reference Table (Equivalent Grade) of FM 9

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