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Q235GJZ-E

Description

China GBT Q235GJZ-E China structural steel and alloy steel and Q235GJZ-E Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: Q235GJZ-E
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel Q235GJZ-E GBT China China structural steel and alloy steel
L53452
L53901
Q235GJ-C
Q235GJ-D
Q235GJ-E
Q345GJ-C
Q345GJ-D
Q345GJ-E
Q235GJZ-C
Q235GJZ-D

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

C(%) Si(%) Mn(%) P(%) S(%) Al(%)
Max 0.18 Max 0.35 0.60-1.20 0.02 0.015 0.015

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)
723 (≥) 442 (≥) 13 41 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

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
24 - -     0.12 -  
977 748 - 13.3 421   -  
721 - 34 43.2   123 441

Heat Treatment of steel grade Q235GJZ-E

Heat treated : 1266°C - 1548°C

Technological Curves of steel grade Q235GJZ-E

Cross Reference Table (Equivalent Grade) of Q235GJZ-E

Grade Standard Country Application
Q235GJZ-E GBT China China structural steel and alloy steel

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