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Z21CDNbV11 Application:Heat-Resistant Steel
Category Type Steel grade Standard Country
Grades Special Alloy Z21CDNbV11 AFNOR France

Chemical composition % of the ladle analysis of grade Z21CDNbV11

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) V(%) N(%) Nb(%)
0.16-0.25 0.10-0.50 0.30-0.80 Max 0.030 Max 0.015 10.0-12.0 0.50-1.00 Max 1.00 0.10-0.30 0.05-0.10 0.25-0.55
Z21CDNbV11
Mechanical properties of grade Z21CDNbV11
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)
422 (≥) 285 (≥) 21 41 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 112
Physical properties of grade Z21CDNbV11
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
958 (≥) 891 (≥) 32 32 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
291 187 123
Z21CDNbV11 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
Z21CDNbV11 AFNOR France
Iron and steel. Stainless steel for high temperature application

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