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ML20MnVB

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ML15MnVB U40048
#ML20MnVB

Description

China GBT ML20MnVB China structural steel and alloy steel and ML20MnVB Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: ML20MnVB
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel ML20MnVB GBT China China structural steel and alloy steel
ML42CrMo
ML20B
ML28B
ML35B
ML15MnB⑤
ML20MnB
ML35MnB
ML37CrB
ML20MnTiB
ML15MnVB

Chemical composition(mass fraction)(wt.%) of the ML20MnVB

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) V(%) B(%) Al(%)
0.19-0.24 Max 0.30 1.20-1.60 0.035 0.035 — 0.07-0.12 0.0005-0.0035 0.02

Mechanical Properties of steel grade ML20MnVB

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)
683 (≥) 664 (≥) 31 43 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade ML20MnVB

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
43 - -     0.34 -  
476 263 - 24.3 322   -  
593 - 32 22.2   113 113

Heat Treatment of steel grade ML20MnVB

Heat treated : 1812°C - 1116°C

Technological Curves of steel grade ML20MnVB

Cross Reference Table (Equivalent Grade) of ML20MnVB

Grade Standard Country Application
ML20MnVB GBT China China structural steel and alloy steel
ML15MnVB U40048
Available Suppliers
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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