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China 舞钢Q/WTB LH355-40 出口德国利勃海尔用LH355-40钢板技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: LH355-40 / LH355-40
Category Grade Standard Region/Area Standard Content
Metals LH355-40 WJX 034 China 出口德国利勃海尔用LH355-40钢板技术条件

Chemical composition(mass fraction)(wt.%) of the LH355-40

Element Min Max Similar
CEQ - 0.4400 -
CEQ - 0.4300 -
CEQ - 0.4200 -
Cr+Mo+Ni - 0.9000 -
Nb+V+Ti - 0.1200 -
Al 0.0200 0.0600 -
N - 0.0090 -
V - 0.1000 -
Nb - 0.0500 -
Ni - 0.3000 -
Mo - 0.1000 -
Cu - 0.3000 -
Cr - 0.2000 -
S - 0.0100 -
P - 0.0200 -
Mn - 1.6000 -
Si - 0.5000 -
C - 0.1800 -

Mechanical Properties of steel grade LH355-40

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)
521 (≥) 833 (≥) 41 31 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade LH355-40

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
32 - -     0.44 -  
334 286 - 21.3 131   -  
262 - 12 24.2   333 222

Heat Treatment of steel grade LH355-40

Heat treated : 1915°C - 1247°C

Technological Curves of steel grade LH355-40

Cross Reference Table (Equivalent Grade) of LH355-40

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