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U40202

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U40208 U41188
#U40202

Description

China GBT U40202 China structural steel and alloy steel and U40202 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: U40202
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel U40202 GBT China China structural steel and alloy steel
ML37CrB
ML20MnTiB
ML15MnVB
ML20MnVB
U40048
U40088
U40108
U40158
U40152
U40208

Chemical composition(mass fraction)(wt.%) of the U40202

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) B(%) Al(%)
0.18-0.23 0.15-0.35 0.30-0.60 0.035 0.035 — — —

Mechanical Properties of steel grade U40202

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)
799 (≥) 424 (≥) 32 14 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade U40202

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
23 - -     0.21 -  
838 598 - 34.3 421   -  
259 - 11 34.2   242 344

Heat Treatment of steel grade U40202

Heat treated : 1118°C - 1519°C

Technological Curves of steel grade U40202

Cross Reference Table (Equivalent Grade) of U40202

Grade Standard Country Application
U40202 GBT China China structural steel and alloy steel
U40208 U41188
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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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