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50Mn2

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45Mn2 20MnV
#50Mn2

Description

China GBT 50Mn2 China structural steel and alloy steel and 50Mn2 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 50Mn2
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 50Mn2 GBT China China structural steel and alloy steel
08TiL
10TiL
09SiVL
16MnL
16MnREL
20Mn2
30Mn2
35Mn2
40Mn2
45Mn2

Chemical composition(mass fraction)(wt.%) of the 50Mn2

C(％) Si(％) Mn(％) V(%)
0.47-0.55 0.17-0.37 1.40-1.80 0.07-0.12

Mechanical Properties of steel grade 50Mn2

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)
271 (≥) 562 (≥) 13 22 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade 50Mn2

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
41 - -     0.21 -  
659 641 - 11.3 441   -  
285 - 24 12.2   123 211

Heat Treatment of steel grade 50Mn2

Heat treated : 1468°C - 1283°C

Technological Curves of steel grade 50Mn2

Cross Reference Table (Equivalent Grade) of 50Mn2

Grade Standard Country Application
50Mn2 GBT China China structural steel and alloy steel
ZG50Mn2 GBT China Large castings with low alloy cast steel
45Mn2 20MnV
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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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