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20Mn2

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16MnREL 30Mn2
#20Mn2

Description

China GBT 20Mn2 China structural steel and alloy steel and 20Mn2 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 20Mn2
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 20Mn2 GBT China China structural steel and alloy steel
F45V
F35MnVN
F40MnV
09MnREL
06TiL
08TiL
10TiL
09SiVL
16MnL
16MnREL

Chemical composition(mass fraction)(wt.%) of the 20Mn2

C(％) Si(％) Mn(％)
0.17-0.24 0.17-0.37 1.40-1.80

Mechanical Properties of steel grade 20Mn2

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)
166 (≥) 713 (≥) 43 42 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade 20Mn2

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 -  
267 339 - 33.3 411   -  
668 - 22 44.2   334 433

Heat Treatment of steel grade 20Mn2

Heat treated : 1651°C - 1318°C

Technological Curves of steel grade 20Mn2

Cross Reference Table (Equivalent Grade) of 20Mn2

Grade Standard Country Application
20Mn2 GBT China China structural steel and alloy steel
16MnREL 30Mn2
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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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