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China YB Q235GJD 高层建筑结构用钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q235GJD / Q235GJ D
Category Grade Standard Region/Area Standard Content
Metals Q235GJ D YB/T 4104 China 高层建筑结构用钢板

Chemical composition(mass fraction)(wt.%) of the Q235GJ D

Element Min Max Similar

Mechanical Properties of steel grade Q235GJ D

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)
348 (≥) 834 (≥) 14 44 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade Q235GJ D

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 - -     0.32 -  
527 954 - 23.3 311   -  
861 - 23 24.2   214 443

Heat Treatment of steel grade Q235GJ D

Heat treated : 1686°C - 1191°C

Technological Curves of steel grade Q235GJ D

Cross Reference Table (Equivalent Grade) of Q235GJ D

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