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China 舞钢Q/WTB WQ590E 焊接结构用调质高强度钢板技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: WQ590E / WQ590E
Category Grade Standard Region/Area Standard Content
Metals WQ590E WJX 031 China 焊接结构用调质高强度钢板技术条件

Chemical composition(mass fraction)(wt.%) of the WQ590E

Element Min Max Similar
Ceq - 0.6500 -
Ceq - 0.5000 -
B - 0.0030 -
V - 0.0800 -
Mo - 0.6000 -
Ni - 2.0000 -
Cr - 1.5000 -
Al 0.0200 - -
S - 0.0100 -
P - 0.0200 -
Mn - 1.6000 -
Si - 0.5000 -
C - 0.2000 -

Mechanical Properties of steel grade WQ590E

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)
588 (≥) 195 (≥) 12 41 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade WQ590E

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
12 - -     0.31 -  
281 395 - 12.3 343   -  
442 - 41 21.2   123 313

Heat Treatment of steel grade WQ590E

Heat treated : 1812°C - 1178°C

Technological Curves of steel grade WQ590E

Cross Reference Table (Equivalent Grade) of WQ590E

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