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Z 60 CMDVNb 21-10 Az

France AFNOR NF Z60CMDVNb21-10Az Valve steels and alloys for internal combustion engines and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals Z 60 CMDVNb 21-10 Az NF A35-579 France Valve steels and alloys for internal combustion engines

Chemical composition(mass fraction)(wt.%) of the Z 60 CMDVNb 21-10 Az

Element Min Max Similar
W - 0.5000 -
V 0.7500 1.0000 -
Si - 0.2500 -
S - 0.0300 -
P - 0.0400 -
Ni - 1.5000 -
Nb 1.0000 1.2000 -
N 0.4000 0.6000 -
Mo 0.7500 1.2500 -
Mn 9.5000 11.5000 -
Cr 20.0000 22.0000 -
C 0.5700 0.6500 -

Mechanical Properties of steel grade Z 60 CMDVNb 21-10 Az

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
382 (≥) 598 (≥) 34 44 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade Z 60 CMDVNb 21-10 Az

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
42 - -     0.43 -  
369 273 - 11.3 143   -  
951 - 41 13.2   442 422

Heat Treatment of steel grade Z 60 CMDVNb 21-10 Az

Heat treated : 1449°C - 1486°C

Technological Curves of steel grade Z 60 CMDVNb 21-10 Az

Cross Reference Table (Equivalent Grade) of Z 60 CMDVNb 21-10 Az

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