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China YB Q345GJE 高层建筑结构用钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q345GJE / Q345GJ E
Category Grade Standard Region/Area Standard Content
Metals Q345GJ E YB/T 4104 China 高层建筑结构用钢板

Chemical composition(mass fraction)(wt.%) of the Q345GJ E

Element Min Max Similar

Mechanical Properties of steel grade Q345GJ E

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)
294 (≥) 156 (≥) 43 31 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade Q345GJ E

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
13 - -     0.14 -  
691 267 - 13.3 143   -  
482 - 32 13.2   413 131

Heat Treatment of steel grade Q345GJ E

Heat treated : 1618°C - 1532°C

Technological Curves of steel grade Q345GJ E

Cross Reference Table (Equivalent Grade) of Q345GJ E

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