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U40048

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ML20MnVB U40088
#U40048

Description

China GBT U40048 China structural steel and alloy steel and U40048 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: U40048
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel U40048 GBT China China structural steel and alloy steel
ML20B
ML28B
ML35B
ML15MnB⑤
ML20MnB
ML35MnB
ML37CrB
ML20MnTiB
ML15MnVB
ML20MnVB

Chemical composition(mass fraction)(wt.%) of the U40048

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) B(%) Al(%)
Max 0.06 Max 0.10 0.20-0.40 0.035 0.035 — — 0.02

Mechanical Properties of steel grade U40048

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)
726 (≥) 226 (≥) 41 34 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade U40048

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 - -     0.21 -  
249 518 - 32.3 212   -  
642 - 44 32.2   113 144

Heat Treatment of steel grade U40048

Heat treated : 1125°C - 1472°C

Technological Curves of steel grade U40048

Cross Reference Table (Equivalent Grade) of U40048

Grade Standard Country Application
U40048 GBT China China structural steel and alloy steel
ML20MnVB U40088
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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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