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20CrMnSi

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40CrMn 25CrMnSi
#20CrMnSi

Description

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

Datasheet for: Steel Grades:Structure Steel: 20CrMnSi
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 20CrMnSi GBT China China structural steel and alloy steel
35CrMoV
12Cr1MoV
25Cr2MoVA
25Cr2Mo1VA
38CrMoAl
40CrV
50CrVA
15CrMn
20CrMn
40CrMn

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

C(％) Si(％) Mn(％) Cr(％)
0.17-0.23 0.90-1.20 0.80-1.10 0.80-1.10

Mechanical Properties of steel grade 20CrMnSi

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)
576 (≥) 413 (≥) 43 23 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade 20CrMnSi

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
44 - -     0.43 -  
986 714 - 43.3 211   -  
142 - 43 23.2   311 122

Heat Treatment of steel grade 20CrMnSi

Heat treated : 1923°C - 1353°C

Technological Curves of steel grade 20CrMnSi

Cross Reference Table (Equivalent Grade) of 20CrMnSi

Grade Standard Country Application
20CrMnSi GBT China China structural steel and alloy steel
40CrMn 25CrMnSi
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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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