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40CrMnNiMo8-6-4

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15NiCr14 1.2738
#40CrMnNiMo8-6-4

Description

Germany DIN 40CrMnNiMo8-6-4 Cold working alloy tool steel and 40CrMnNiMo8-6-4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 40CrMnNiMo8-6-4
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 40CrMnNiMo8-6-4 DIN Germany Cold working alloy tool steel
1.2711
54NiCrMoV6
1.2713
55NiCrMoV6
55NiCr10
1.2718
1.2721
50NiCr13
1.2735
15NiCr14

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

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.35-0.45 0.20-0.40 1.30-1.60 Max 0.035 Max 0.035 1.80-2.10 0.90-1.20 0.15-0.25

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)
333 (≥) 588 (≥) 14 33 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

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
41 - -     0.12 -  
718 766 - 22.3 122   -  
335 - 21 31.2   443 311

Heat Treatment of steel grade 40CrMnNiMo8-6-4

Heat treated : 1684°C - 1457°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 ISO ISO Carbide for cutting tools
40CrMnNiMo8-6-4① ISO ISO Carbide for cutting tools
EN 40CrMnNiMo8-6-4 EN Euronorm Euronorm Tool steel
15NiCr14 1.2738
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