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Q235

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Q235 Q255
#Q235

Description

China GBT Q235 China structural steel and alloy steel and Q235 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: Q235
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel Q235 GBT China China structural steel and alloy steel
50WT
55WT
50A
50AT
Q195
Q215
Q215
Q235
Q235
Q235

Chemical composition(mass fraction)(wt.%) of the Q235

C(％) Si(％) Mn(％) P(％) S(％)
Max 0.17 Max 0.30 0.35-0.80 0.035 0.03

Mechanical Properties of steel grade Q235

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)
891 (≥) 517 (≥) 11 24 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade Q235

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 - -     0.43 -  
343 969 - 32.3 221   -  
372 - 31 41.2   222 141

Heat Treatment of steel grade Q235

Heat treated : 1935°C - 1769°C

Technological Curves of steel grade Q235

Cross Reference Table (Equivalent Grade) of Q235

Grade Standard Country Application
Q235 China Engineering and welding
Q235 B China Engineering and welding
Q235 C China Engineering and welding
Q235 D China Engineering and welding
Q235q C China Bridge structure with steel
Q235q D China Bridge structure with steel
Q235 GBT China China structural steel and alloy steel
Q235 GBT China China structural steel and alloy steel
Q235 GBT China China structural steel and alloy steel
Q235 GBT China China structural steel and alloy steel
Q235q GBT China China structural steel and alloy steel
Q235q GBT China China structural steel and alloy steel
Q235NH GBT China China structural steel and alloy steel
Q235GJ-C GBT China China structural steel and alloy steel
Q235GJ-D GBT China China structural steel and alloy steel
Q235GJ-E GBT China China structural steel and alloy steel
Q235GJZ-C GBT China China structural steel and alloy steel
Q235GJZ-D GBT China China structural steel and alloy steel
Q235GJZ-E GBT China China structural steel and alloy steel
Q235 Q255
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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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