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France AFNOR NF S300Pb Cold formed steel product. Drawn bars and peeled-roller polished round bars. Mechanical properties and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S300Pb / S 300 Pb
Category Grade Standard Region/Area Standard Content
Metals S 300 Pb 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 Pb

Element Min Max Similar
Si - 0.0300 -
S 0.3200 0.4000 -
Pb 0.2000 0.3500 -
P - 0.1000 -
Mn 1.0000 1.5000 -
C - 0.1400 -
Si - 0.0300 -
S 0.3200 0.4000 -
Pb 0.2000 0.3500 -
P - 0.1000 -
Mn 1.0000 1.5000 -
C - 0.1400 -

Mechanical Properties of steel grade S 300 Pb

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)
267 (≥) 124 (≥) 42 44 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade S 300 Pb

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 - -     0.41 -  
871 151 - 44.3 232   -  
134 - 12 24.2   142 422

Heat Treatment of steel grade S 300 Pb

Heat treated : 1815°C - 1471°C

Technological Curves of steel grade S 300 Pb

Cross Reference Table (Equivalent Grade) of S 300 Pb

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