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U20252

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U20202 U20302
#U20252

Description

China GBT U20252 China structural steel and alloy steel and U20252 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: U20252
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel U20252 GBT China China structural steel and alloy steel
60Mn
65Mn
70Mn
U20080
U20100
U20150
U20082
U20102
U20152
U20202

Chemical composition(mass fraction)(wt.%) of the U20252

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.22-0.29 0.17-0.37 0.50-0.80 0.035 0.035 0.25 0.3 0.25

Mechanical Properties of steel grade U20252

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)
247 (≥) 126 (≥) 43 22 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade U20252

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
33 - -     0.13 -  
897 276 - 21.3 444   -  
358 - 33 11.2   414 342

Heat Treatment of steel grade U20252

Heat treated : 1655°C - 1686°C

Technological Curves of steel grade U20252

Cross Reference Table (Equivalent Grade) of U20252

Grade Standard Country Application
U20252 GBT China China structural steel and alloy steel
U20202 U20302
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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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