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20Mn10

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OLC37 35Mn16
#20Mn10

Description

Romania STAS/SR 20Mn10 Structural steel and 20Mn10 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 20Mn10
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 20Mn10 STAS/SR Romania Structural steel
21MoMnCr12z
22MnCr12z
24MoCrNiMn15z
OL34q
OL37q
RCB52q
20BMn13z
21Mn14z
OLC20z
OLC37

Chemical composition(mass fraction)(wt.%) of the 20Mn10

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.17-0.24 0.17-0.37 0.70-1.00 0.035 0.035 Max 0.30 0.30 0.30

Mechanical Properties of steel grade 20Mn10

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)
342 (≥) 289 (≥) 22 12 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade 20Mn10

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
24 - -     0.32 -  
415 558 - 42.3 214   -  
818 - 44 43.2   314 143

Heat Treatment of steel grade 20Mn10

Heat treated : 1657°C - 1137°C

Technological Curves of steel grade 20Mn10

Cross Reference Table (Equivalent Grade) of 20Mn10

Grade Standard Country Application
22Cr20Mn10Ni2Si2N GBT China Stainless steel bars
20Mn10 STAS/SR Romania Structural steel
OLC37 35Mn16
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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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