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Q235GJZ-D

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Q235GJZ-C Q235GJZ-E
#Q235GJZ-D

Description

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

Datasheet for: Steel Grades:Structure Steel: Q235GJZ-D
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel Q235GJZ-D GBT China China structural steel and alloy steel
L53451
L53452
L53901
Q235GJ-C
Q235GJ-D
Q235GJ-E
Q345GJ-C
Q345GJ-D
Q345GJ-E
Q235GJZ-C

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

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-D

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)
456 (≥) 245 (≥) 31 41 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade Q235GJZ-D

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
34 - -     0.43 -  
546 458 - 41.3 144   -  
974 - 43 43.2   332 221

Heat Treatment of steel grade Q235GJZ-D

Heat treated : 1936°C - 1178°C

Technological Curves of steel grade Q235GJZ-D

Cross Reference Table (Equivalent Grade) of Q235GJZ-D

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