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40MnVB

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20MnVB 20MnTiB
#40MnVB

Description

China GBT 40MnVB China structural steel and alloy steel and 40MnVB Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 40MnVB
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 40MnVB GBT China China structural steel and alloy steel
25SiMn2MoV
37SiMn2MoV
40B
45B
50B
40MnB
45MnB
20MnMoB
15MnVB
20MnVB

Chemical composition(mass fraction)(wt.%) of the 40MnVB

C(％) Si(％) Mn(％) V(%) B(%)
0.37-0.44 0.17-0.37 1.10-1.40 0.05-0.10 0.0005-0.0035

Mechanical Properties of steel grade 40MnVB

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)
789 (≥) 944 (≥) 23 33 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade 40MnVB

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
22 - -     0.41 -  
655 545 - 34.3 432   -  
654 - 21 32.2   221 111

Heat Treatment of steel grade 40MnVB

Heat treated : 1778°C - 1738°C

Technological Curves of steel grade 40MnVB

Cross Reference Table (Equivalent Grade) of 40MnVB

Grade Standard Country Application
40MnVB GBT China China structural steel and alloy steel
20MnVB 20MnTiB
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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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