Home»Grades > Special Alloy > Z60CMDVNb21-10Az
Z60CMDVNb21-10AzApplication:Steel Exhaust Valves
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy Z60CMDVNb21-10AzAFNORFrance

Chemical composition%of the ladle analysis of gradeZ60CMDVNb21-10Az

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Mo(%)V(%)N(%)Nb(%)
0.57-0.65Max 0.259.50-11.5Max 0.040Max 0.03020.0-22.0Max 1.500.75-1.250.75-1.000.40-0.601.00-1.20
Z60CMDVNb21-10Az
Mechanical properties of gradeZ60CMDVNb21-10Az
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)
721(≥)427(≥)213411Solution and Aging,Annealing,Ausaging,Q+T,etc214
Physical properties of gradeZ60CMDVNb21-10Az
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
513(≥)265(≥)214444Solution and Aging,Annealing,Ausaging,Q+T,etc223
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
787277297
Z60CMDVNb21-10AzRange 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
Z60CMDVNb21-10AzAFNORFrance
Valve steels and alloys for internal combustion engines

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