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France AFNOR NF S300Si Cold formed steel product. Drawn bars and peeled-roller polished round bars. Mechanical properties and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S300Si / S 300 Si
Category Grade Standard Region/Area Standard Content
Metals S 300 Si 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 S 300 Si

Element Min Max Similar
Si 0.1000 0.4000 -
S 0.3200 0.4000 -
P - 0.1000 -
Mn 1.0000 1.5000 -
C - 0.1400 -
Si 0.1000 0.4000 -
S 0.3200 0.4000 -
P - 0.1000 -
Mn 1.0000 1.5000 -
C - 0.1400 -

Mechanical Properties of steel grade S 300 Si

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)
276 (≥) 312 (≥) 21 41 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade S 300 Si

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
33 - -     0.33 -  
738 717 - 13.3 434   -  
524 - 42 44.2   131 314

Heat Treatment of steel grade S 300 Si

Heat treated : 1727°C - 1694°C

Technological Curves of steel grade S 300 Si

Cross Reference Table (Equivalent Grade) of S 300 Si

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