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China GB Q235D 碳素结构钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q235D / Q235 D
Category Grade Standard Region/Area Standard Content
Metals Q235 D GB/T 700 China 碳素结构钢

Chemical composition(mass fraction)(wt.%) of the Q235 D

Element Min Max Similar
P - 0.0350 -
S - 0.0350 -
Mn 0.3500 0.8000 -
Si - 0.3000 -
C - 0.1700 -

Mechanical Properties of steel grade Q235 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)
468 (≥) 642 (≥) 44 24 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade Q235 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
24 - -     0.23 -  
349 564 - 42.3 233   -  
919 - 12 14.2   443 144

Heat Treatment of steel grade Q235 D

Heat treated : 1717°C - 1458°C

Technological Curves of steel grade Q235 D

Cross Reference Table (Equivalent Grade) of Q235 D

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