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U20402

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U20352 U20452
#U20402

Description

China GBT U20402 China structural steel and alloy steel and U20402 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: U20402
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel U20402 GBT China China structural steel and alloy steel
U20080
U20100
U20150
U20082
U20102
U20152
U20202
U20252
U20302
U20352

Chemical composition(mass fraction)(wt.%) of the U20402

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.37-0.44 0.17-0.37 0.50-0.80 0.035 0.035 0.25 0.3 0.25

Mechanical Properties of steel grade U20402

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)
297 (≥) 635 (≥) 43 23 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade U20402

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
11 - -     0.13 -  
289 678 - 34.3 342   -  
261 - 33 22.2   413 442

Heat Treatment of steel grade U20402

Heat treated : 1684°C - 1128°C

Technological Curves of steel grade U20402

Cross Reference Table (Equivalent Grade) of U20402

Grade Standard Country Application
U20402 GBT China China structural steel and alloy steel
U20352 U20452
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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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