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Q235GJZ D

China YB Q235GJZD 焊接H型钢(The welded steel H-section) and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q235GJZD / Q235GJZ D
Category Grade Standard Region/Area Standard Content
Metals Q235GJZ D YB 3301 China 焊接H型钢(The welded steel H-section)

Chemical composition(mass fraction)(wt.%) of the Q235GJZ D

Element Min Max Similar
Al 0.0150 - -
S - 0.0100 -
P - 0.0200 -
Mn 0.6000 1.2000 -
Si - 0.3500 -
C - 0.1800 -

Mechanical Properties of steel grade Q235GJZ 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)
685 (≥) 668 (≥) 34 31 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade Q235GJZ 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
13 - -     0.13 -  
323 141 - 34.3 133   -  
152 - 33 11.2   442 323

Heat Treatment of steel grade Q235GJZ D

Heat treated : 1147°C - 1517°C

Technological Curves of steel grade Q235GJZ D

Cross Reference Table (Equivalent Grade) of Q235GJZ D

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