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Q345GJZ-E

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Q345GJZ-D 08F
#Q345GJZ-E

Description

China GBT Q345GJZ-E China structural steel and alloy steel and Q345GJZ-E Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: Q345GJZ-E
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel Q345GJZ-E GBT China China structural steel and alloy steel
Q235GJ-D
Q235GJ-E
Q345GJ-C
Q345GJ-D
Q345GJ-E
Q235GJZ-C
Q235GJZ-D
Q235GJZ-E
Q345GJZ-C
Q345GJZ-D

Chemical composition(mass fraction)(wt.%) of the Q345GJZ-E

C(％) Si(％) Mn(％) P(％) S(％) V(%) Nb(%) Al(%) Ti(%)
Max 0.18 Max 0.55 Max 0.60 0.02 0.015 0.02-0.15 0.015-0.060 0.015 0.01-0.10

Mechanical Properties of steel grade Q345GJZ-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)
147 (≥) 923 (≥) 21 44 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade Q345GJZ-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
22 - -     0.41 -  
281 477 - 42.3 432   -  
784 - 13 33.2   144 142

Heat Treatment of steel grade Q345GJZ-E

Heat treated : 1654°C - 1789°C

Technological Curves of steel grade Q345GJZ-E

Cross Reference Table (Equivalent Grade) of Q345GJZ-E

Grade Standard Country Application
Q345GJZ-E GBT China China structural steel and alloy steel
Q345GJZ-D 08F
Available Suppliers
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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