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America SAE VF10 Engine poppet valve information report and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: VF10 / VF 10
Category Grade Standard Region/Area Standard Content
Metals VF 10 SAE J 775 America Engine poppet valve information report

Chemical composition(mass fraction)(wt.%) of the VF 10

Element Min Max Similar
Si 0.8000 1.2000 -
S - 0.0300 -
P - 0.0300 -
Ni - - -
Mo 7.0000 9.0000 -
Mn - 1.0000 -
Fe 1.0000 8.0000 -
Cr 28.0000 30.0000 -
C 1.8000 2.2000 -

Mechanical Properties of steel grade VF 10

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)
692 (≥) 759 (≥) 31 34 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade VF 10

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
12 - -     0.34 -  
327 442 - 22.3 431   -  
988 - 41 24.2   231 131

Heat Treatment of steel grade VF 10

Heat treated : 1425°C - 1483°C

Technological Curves of steel grade VF 10

Cross Reference Table (Equivalent Grade) of VF 10

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