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China 鞍钢Q/ASB 350L40 热轧结构钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 350L40 / 350L40
Category Grade Standard Region/Area Standard Content
Metals 350L40 Q/ASB 50 China 热轧结构钢板

Chemical composition(mass fraction)(wt.%) of the 350L40

Element Min Max Similar
Nb+V+Ti - 0.1500 -
V - 0.1050 -
Ni+Cr+Cu+Mo - 1.0000 -
CE - 0.4500 -
Ti - 0.0400 -
Mo - 0.3500 -
Cu - 0.4000 -
Cr - 0.3000 -
Ni - 0.5000 -
Al - 0.0500 -
S - 0.0100 -
P - 0.0200 -
Mn - 1.7000 -
Si - 0.5500 -
C - 0.2000 -

Mechanical Properties of steel grade 350L40

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)
637 (≥) 474 (≥) 12 11 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade 350L40

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
34 - -     0.23 -  
479 237 - 31.3 442   -  
837 - 12 11.2   441 221

Heat Treatment of steel grade 350L40

Heat treated : 1491°C - 1759°C

Technological Curves of steel grade 350L40

Cross Reference Table (Equivalent Grade) of 350L40

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