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ISO X20CrMoNiNbV11 1 Application:High temperature bainite and martensite steel ISO standard internal combustion engine
Category Type Steel grade Standard Country
Grades Special Alloy ISO X20CrMoNiNbV11 1 ISO ISO

Chemical composition % of the ladle analysis of grade ISO X20CrMoNiNbV11 1

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) V(%) N(%) B(%)
0.16-0.24 0.10-0.50 0.30-1.00 Max 0.03 Max 0.03 10.0-12.0 0.30-1.00 0.50-1.00 0.20-0.50 Max 0.10 Max 0.008
High temperature bainite and martensite steel ISO standard internal combustion engine
Mechanical properties of grade ISO X20CrMoNiNbV11 1
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)
269 (≥) 846 (≥) 31 12 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 212
Physical properties of grade ISO X20CrMoNiNbV11 1
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
483 (≥) 973 (≥) 44 24 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 413
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
488 413 599
ISO X20CrMoNiNbV11 1 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
X20CrMoNiNbV11-1 ISO ISO
Wrought steels for use at elevated temperatures in engines
X12CrNiMoV12-3 ISO ISO
Wrought steels for use at elevated temperatures in engines

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