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DIN X91CrMoV18 Details

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X91CrMoV18 Application:High alloyed CrMoV steel

Category Type Grade Designations
Grades Tool Die Steels X91CrMoV18 Germany - DIN ,

Chemical composition(wt.%) of X91CrMoV18 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.86 0.96
Si - 1.00
Mn - 1.00
P - 0.045
S - 0.030
Cr 17.00 19.00
Mo 0.90 1.30
V 0.07 0.12
Ni - 0.30
High alloyed CrMoV steel

Mechanical properties of grade X91CrMoV18

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)
958 (≥) 775 (≥) 32 34 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical properties of grade X91CrMoV18

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
322 (≥) 329 (≥) 24 13 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 434
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
316 538 713

X91CrMoV18 - 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
X91CrMoV18 DIN Germany
High alloyed CrMoV steel

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