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Description

China Q235q C Bridge structure with steel and Q235q C Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: Q235q C
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel Q235q C China Bridge structure with steel
Q195
Q215
Q215 B
Q235
Q235 B
Q235 C
Q235 D
Q255 A
Q255 B
Q275

Chemical composition(mass fraction)(wt.%) of the Q235q C

C(%) Si(%) Mn(%) P(%) S(%)
≤0.20 ≤0.30 0.40~0.70 ≤0.035 ≤0.035

Mechanical Properties of steel grade Q235q C

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)
326 (≥) 234 (≥) 14 21 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade Q235q C

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
22 - -     0.43 -  
479 735 - 42.3 233   -  
824 - 22 21.2   342 214

Heat Treatment of steel grade Q235q C

Heat treated : 1153°C - 1854°C

Technological Curves of steel grade Q235q C

Cross Reference Table (Equivalent Grade) of Q235q C

Grade Standard Country Application
Q235q C China Bridge structure with steel
Q235q D China Bridge structure with steel
Q235q GBT China China structural steel and alloy steel
Q235q GBT China China structural steel and alloy steel
Q195 GBT China Engineering and welding
Q215 China Engineering and welding
Q215 B China Engineering and welding
Q235 China Engineering and welding
Q235 B China Engineering and welding
Q235 C China Engineering and welding
Q235 D China Engineering and welding
Q255 A China Engineering and welding
Q255 B China Engineering and welding
Q275 China Engineering and welding
Q345q E China Bridge structure with steel
Q345q C China Bridge structure with steel
ASTM 1030 ASTM USA General use carbon steel bar
UNS G10300 UNS USA General use carbon steel bar

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