DIN 40CrMnMo7

Grades | Tool Die Steels | 40CrMnMo7

DIN 40CrMnMo7

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40CrMnMo7 Application:Heat resistant materials for the extrusion processing of aluminum and aluminum alloys

Chemical composition(mass fraction)(wt.%) of the 40CrMnMo7
Elements Min.（≥） Max.（≤） Similar Remarks
C 0.35 0.45
Si 0.20 0.40
Mn 1.30 1.60
P - 0.035
S - 0.035
Cr 1.80 2.10
Mo 0.15 0.25
V - -

Mechanical properties of grade 40CrMnMo7

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition HBW
215 (≥) 691 (≥) 22 41 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical properties of grade 40CrMnMo7

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm
625 (≥) 753 (≥) 32 23 33 Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2		 - - -
944 783 624 - - -

40CrMnMo7 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