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U21452

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U21402 U21502
#U21452

Description

China GBT U21452 China structural steel and alloy steel and U21452 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: U21452
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel U21452 GBT China China structural steel and alloy steel
U20702
U20752
U20802
U20852
U21152
U21202
U21252
U21302
U21352
U21402

Chemical composition(mass fraction)(wt.%) of the U21452

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.42-0.50 0.17-0.37 0.70-1.00 0.035 0.035 0.25 0.3 0.25

Mechanical Properties of steel grade U21452

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)
178 (≥) 293 (≥) 21 41 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade U21452

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 - -     0.34 -  
697 524 - 41.3 241   -  
285 - 23 32.2   114 432

Heat Treatment of steel grade U21452

Heat treated : 1341°C - 1456°C

Technological Curves of steel grade U21452

Cross Reference Table (Equivalent Grade) of U21452

Grade Standard Country Application
U21452 GBT China China structural steel and alloy steel
U21402 U21502
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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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