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40CrMnMo

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20CrMnMo 20CrMnTi
#40CrMnMo

Description

China GBT 40CrMnMo China structural steel and alloy steel and 40CrMnMo Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 40CrMnMo
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 40CrMnMo GBT China China structural steel and alloy steel
50CrVA
15CrMn
20CrMn
40CrMn
20CrMnSi
25CrMnSi
30CrMnSi
30CrMnSiA
35CrMnSiA
20CrMnMo

Chemical composition(mass fraction)(wt.%) of the 40CrMnMo

C(％) Si(％) Mn(％) Cr(％) Mo(％)
0.37-0.45 0.17-0.37 0.90-1.20 0.90-1.20 0.20-0.30

Mechanical Properties of steel grade 40CrMnMo

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)
599 (≥) 236 (≥) 24 43 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade 40CrMnMo

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 -  
745 986 - 24.3 122   -  
479 - 44 22.2   413 141

Heat Treatment of steel grade 40CrMnMo

Heat treated : 1612°C - 1791°C

Technological Curves of steel grade 40CrMnMo

Cross Reference Table (Equivalent Grade) of 40CrMnMo

Grade Standard Country Application
40CrMnMo7 DIN Germany Cold working alloy tool steel
40CrMnMoS8-6 DIN Germany Cold working alloy tool steel
40CrMnMo8 AFNOR France Carbide for cutting tools
40CrMnMo8 AFNOR France Carbide for cutting tools
40CrMnMo7 UNE Spain Spain structural alloy steel
40CrMnMo GBT China China structural steel and alloy steel
20CrMnMo 20CrMnTi
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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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