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U21402

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U21352 U21452
#U21402

Description

China GBT U21402 China structural steel and alloy steel and U21402 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: U21402
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel U21402 GBT China China structural steel and alloy steel
U20652
U20702
U20752
U20802
U20852
U21152
U21202
U21252
U21302
U21352

Chemical composition(mass fraction)(wt.%) of the U21402

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.37-0.44 0.17-0.37 0.70-1.00 0.035 0.035 0.25 0.3 0.25

Mechanical Properties of steel grade U21402

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)
676 (≥) 922 (≥) 34 14 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade U21402

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
14 - -     0.14 -  
823 526 - 21.3 123   -  
634 - 44 21.2   124 324

Heat Treatment of steel grade U21402

Heat treated : 1166°C - 1771°C

Technological Curves of steel grade U21402

Cross Reference Table (Equivalent Grade) of U21402

Grade Standard Country Application
U21402 GBT China China structural steel and alloy steel
U21352 U21452
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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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