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40CrMnNiMo8-6-4

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M303 1.2311
#40CrMnNiMo8-6-4

Description

40CrMnNiMo8-6-4 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: 40CrMnNiMo8-6-4
Category Type Steel Grade Standard Country Application
Steel GradesMould Steel 40CrMnNiMo8-6-4
ASTM O2
ASTM P20
DC53
M261
M303
6ХВ2С
6ХВГ
11Р3АМ3Ф2
Р2АМ9К5
SS14:2312

Chemical composition(mass fraction)(wt.%) of the 40CrMnNiMo8-6-4

Material Code:
Din 1.2738 40CrMnNiMo8-6-4
ASTM P20+Ni
 
ChemicalComposition:
 
Element %
C
0.35-0.45
Si
0.20-0.40
Mn
1.30-1.60
P
≤0.030
S
≤0.030
Cr
1.80-2.10
Mo
0.15-0.25
Ni
0.90-1.20

Mechanical Properties of steel grade 40CrMnNiMo8-6-4

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)
813 (≥) 482 (≥) 42 12 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade 40CrMnNiMo8-6-4

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 - -     0.33 -  
928 823 - 44.3 122   -  
459 - 24 43.2   213 342

Heat Treatment of steel grade 40CrMnNiMo8-6-4

Heat treated : 1242°C - 1366°C

Technological Curves of steel grade 40CrMnNiMo8-6-4

Cross Reference Table (Equivalent Grade) of 40CrMnNiMo8-6-4

Grade Standard Country Application
40CrMnNiMo8-6-4 DIN Germany Cold working alloy tool steel
40CrMnNiMo8-6-4① Carbide for cutting tools
40CrMnNiMo8-6-4① Carbide for cutting tools
EN 40CrMnNiMo8-6-4 EN Euronorm Tool steel
M303 1.2311
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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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