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Z21CDNbV11Application:Heat-Resistant Steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy Z21CDNbV11AFNORFrance

Chemical composition%of the ladle analysis of gradeZ21CDNbV11

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Mo(%)V(%)N(%)Nb(%)
0.16-0.250.10-0.500.30-0.80Max 0.030Max 0.01510.0-12.00.50-1.00Max 1.000.10-0.300.05-0.100.25-0.55
Z21CDNbV11
Mechanical properties of gradeZ21CDNbV11
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 ConditionBrinell hardness(HBW)
648(≥)926(≥)124232Solution and Aging,Annealing,Ausaging,Q+T,etc433
Physical properties of gradeZ21CDNbV11
PropertyDensity
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
365(≥)717(≥)211441Solution and Aging,Annealing,Ausaging,Q+T,etc241
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
379224543
Z21CDNbV11Range of products
Product typeProductsDimensionProcessesDeliver Status
Plates/SheetsPlates/Sheets0.08-200mm(T)*W*LForging,hot rolling and cold rollingAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Steel BarRound Bar,Flat Bar,Square BarΦ8-1200mm*LForging,hot rolling and cold rolling,CastBlack,Rough Turning,Shot Blasting,
Coil/StripSteel Coil/Steel Strip0.03-16.0x1200mmCold-Rolled&Hot-RolledAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Pipes/TubesSeamless Pipes/Tubes,Welded Pipes/TubesOD:6-219mm x WT:0.5-20.0mmHot extrusion,Cold Drawn,WeldedAnnealed,Solution and Aging,Q+T,ACID-WASHED
Cross Reference Table(Equivalent Grade)
GradeStandardCountryApplication
Z21CDNbV11AFNORFrance
Iron and steel. Stainless steel for high temperature application

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