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20MnVB

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15MnVB 40MnVB
#20MnVB

Description

China GBT 20MnVB China structural steel and alloy steel and 20MnVB Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

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

Chemical composition(mass fraction)(wt.%) of the 20MnVB

C(％) Si(％) Mn(％) V(%) B(%)
0.17-0.23 0.17-0.37 1.20-1.60 0.07-0.12 0.0005-0.0035

Mechanical Properties of steel grade 20MnVB

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)
365 (≥) 775 (≥) 14 34 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade 20MnVB

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 - -     0.14 -  
292 893 - 13.3 113   -  
948 - 14 14.2   413 234

Heat Treatment of steel grade 20MnVB

Heat treated : 1678°C - 1736°C

Technological Curves of steel grade 20MnVB

Cross Reference Table (Equivalent Grade) of 20MnVB

Grade Standard Country Application
20MnVB GBT China China structural steel and alloy steel
20MnVBH GBT China China structural steel and alloy steel
ML20MnVB GBT China China structural steel and alloy steel
15MnVB 40MnVB
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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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