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50Mn

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45Mn 60Mn
#50Mn

Description

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

Datasheet for: Steel Grades:Structure Steel: 50Mn
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 50Mn GBT China China structural steel and alloy steel
75
80
85
15Mn
20Mn
25Mn
30Mn
35Mn
40Mn
45Mn

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

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.48-0.56 0.17-0.37 0.70-1.00 0.035 0.035 0.25 0.3 0.25

Mechanical Properties of steel grade 50Mn

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)
852 (≥) 956 (≥) 31 23 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade 50Mn

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 - -     0.34 -  
683 792 - 14.3 243   -  
497 - 43 41.2   432 441

Heat Treatment of steel grade 50Mn

Heat treated : 1984°C - 1863°C

Technological Curves of steel grade 50Mn

Cross Reference Table (Equivalent Grade) of 50Mn

Grade Standard Country Application
50Mn GBT China China structural steel and alloy steel
50Mn2 GBT China China structural steel and alloy steel
ZG50Mn2 GBT China Large castings with low alloy cast steel
45Mn 60Mn
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Jiangyou Longhai Special Steel Co.,Ltd.

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