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DIN 40CrMnMoS8-6 Details

40CrMnMoS8-6 Application:Tool Steels; Technical Conditions of Delivery

Category Type Grade Designations
Grades Tool Die Steels 40CrMnMoS8-6 Germany - DIN , DIN 17350 (1980) - Tool Steels; Technical Conditions of Delivery

Chemical composition(wt.%) of 40CrMnMoS8-6 grade: DIN 17350 (1980)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.35 0.45
Si 0.30 0.50
Mn 1.40 1.60
P - 0.030
S 0.05 0.10
Cr 1.80 2.00
Mo 0.15 0.25
V - -
Tool Steels; Technical Conditions of Delivery

Mechanical properties of grade 40CrMnMoS8-6 DIN 17350 (1980)

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
687 (≥) 482 (≥) 24 32 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical properties of grade 40CrMnMoS8-6 DIN 17350 (1980)

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
245 (≥) 743 (≥) 34 44 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 421
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
868 296 838

40CrMnMoS8-6 - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
40CrMnMoS8-6 DIN Germany
Tool Steels; Technical Conditions of Delivery
1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8 DIN Germany
Tool Steels; Technical Conditions of Delivery

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