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Q235GJZ E

China YB Q235GJZE 焊接H型钢(The welded steel H-section) and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q235GJZE / Q235GJZ E
Category Grade Standard Region/Area Standard Content
Metals Q235GJZ E YB 3301 China 焊接H型钢(The welded steel H-section)

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

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 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)
521 (≥) 124 (≥) 24 22 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade Q235GJZ 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
33 - -     0.34 -  
617 742 - 34.3 121   -  
579 - 21 12.2   442 344

Heat Treatment of steel grade Q235GJZ E

Heat treated : 1758°C - 1112°C

Technological Curves of steel grade Q235GJZ E

Cross Reference Table (Equivalent Grade) of Q235GJZ E

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