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Description

China GBT U21152 China structural steel and alloy steel and U21152 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: U21152
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel U21152 GBT China China structural steel and alloy steel
U20402
U20452
U20502
U20552
U20602
U20652
U20702
U20752
U20802
U20852

Chemical composition(mass fraction)(wt.%) of the U21152

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Cu(%)
0.12-0.18 0.17-0.37 0.70-1.00 0.035 0.035 0.25 0.3 0.25

Mechanical Properties of steel grade U21152

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)
433 (≥) 872 (≥) 43 22 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade U21152

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
42 - -     0.23 -  
118 359 - 43.3 214   -  
566 - 21 41.2   423 232

Heat Treatment of steel grade U21152

Heat treated : 1993°C - 1183°C

Technological Curves of steel grade U21152

Cross Reference Table (Equivalent Grade) of U21152

Grade Standard Country Application
U21152 GBT China China structural steel and alloy steel

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