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Q345q E

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Q235q D Q345q C
#Q345q # #E

Description

China Q345q E Bridge structure with steel and Q345q E Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: Q345q E
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel Q345q E China Bridge structure with steel
Q215 B
Q235
Q235 B
Q235 C
Q235 D
Q255 A
Q255 B
Q275
Q235q C
Q235q D

Chemical composition(mass fraction)(wt.%) of the Q345q E

C(％) Si(％) Mn(％) P(％) S(％)
≤0.17 ≤0.50 1.20～1.60 ≤0.020 ≤0.015

Mechanical Properties of steel grade Q345q 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)
523 (≥) 923 (≥) 14 13 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade Q345q 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 - -     0.21 -  
679 146 - 44.3 341   -  
626 - 24 14.2   111 314

Heat Treatment of steel grade Q345q E

Heat treated : 1756°C - 1242°C

Technological Curves of steel grade Q345q E

Cross Reference Table (Equivalent Grade) of Q345q E

Grade Standard Country Application
Q345q E China Bridge structure with steel
Q345q C China Bridge structure with steel
Q345q GBT China China structural steel and alloy steel
Q345q GBT China China structural steel and alloy steel
Q345q 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
Q235q C China Bridge structure with steel
Q235q D China Bridge structure with steel
ASTM 1030 ASTM USA General use carbon steel bar
Q235q D Q345q C
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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