Location » Home » Grades > Special Alloy > Z60CMDVNb21-10Az
Z60CMDVNb21-10Az Application:Steel Exhaust Valves
Category Type Steel grade Standard Country
Grades Special Alloy Z60CMDVNb21-10Az AFNOR France

Chemical composition % of the ladle analysis of grade Z60CMDVNb21-10Az

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) V(%) N(%) Nb(%)
0.57-0.65 Max 0.25 9.50-11.5 Max 0.040 Max 0.030 20.0-22.0 Max 1.50 0.75-1.25 0.75-1.00 0.40-0.60 1.00-1.20
Z60CMDVNb21-10Az
Mechanical properties of grade Z60CMDVNb21-10Az
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 Condition Brinell hardness (HBW)
366 (≥) 781 (≥) 22 22 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 223
Physical properties of grade Z60CMDVNb21-10Az
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
517 (≥) 845 (≥) 12 12 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 332
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
635 235 535
Z60CMDVNb21-10Az 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
Z60CMDVNb21-10Az AFNOR France
Valve steels and alloys for internal combustion engines

Enquiry