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20MnTiB

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40MnVB 25MnRiVRE
#20MnTiB

Description

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

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

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

C(％) Si(％) Mn(％) B(%) Ti(%)
0.17-0.24 0.17-0..37 1.30-1.60 0.0005-0.0035 0.04-0.10

Mechanical Properties of steel grade 20MnTiB

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)
375 (≥) 666 (≥) 42 33 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade 20MnTiB

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
31 - -     0.22 -  
216 143 - 24.3 111   -  
752 - 12 42.2   442 312

Heat Treatment of steel grade 20MnTiB

Heat treated : 1363°C - 1964°C

Technological Curves of steel grade 20MnTiB

Cross Reference Table (Equivalent Grade) of 20MnTiB

Grade Standard Country Application
20MnTiB GBT China China structural steel and alloy steel
20MnTiBH GBT China China structural steel and alloy steel
ML20MnTiB GBT China China structural steel and alloy steel
40MnVB 25MnRiVRE
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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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