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DIN 1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8 Details

Application

1.2311, 40CrMnMoS8-6, 1.2312, 40CrMnMoS8-6, P20, 40CMD8 plastic mould tool steels, suitable to operate in high temperature, used mainly for plastic moulds, hydroforming tools and frames for plastic pressure dies. They are highly hardenable, resistant to tempering and strong in high temperature.

Similar Steel Grades    

1.2311, 1.2312, 40CrMnMo7, 40CrMnMoS8-6, P20+S, UNS T51620, P20, 40Ch2GM, 35CrMo8, 40CMD8, F-5302, A681, 40Х2ГМ



DIN 1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8 Standard Download

Tags

1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8 Application:Tool Steels; Technical Conditions of Delivery
Category Type Grade Designations
Grades Tool Die Steels 1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8 Germany - DIN , DIN 17350 (1980) - Tool Steels; Technical Conditions of Delivery
Chemical composition(mass fraction)(wt.%)
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 - -
Mechanical properties of grade 1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8
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)
637 (≥) 651 (≥) 24 22 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 143
Physical properties of grade 1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8
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
934 (≥) 111 (≥) 22 32 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 344
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
887 986 972
1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8 Range of products
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
1.2311 DIN Germany
Heat resistant materials for the extrusion processing of aluminum and aluminum alloys
1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8 DIN Germany
Tool Steels; Technical Conditions of Delivery
40CrMnMoS8-6 DIN Germany
Tool Steels; Technical Conditions of Delivery
1.2312 DIN Germany
Tool Steels; Technical Conditions of Delivery
P20 ASTM USA
Mold Steel

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