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

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

Chemical composition(mass fraction)(wt.%) of the XEV-J

Element Min Max Similar
Y - 0.0050 -
V 3.3500 4.6500 -
Ti - - -
O - 0.4000 -
N - 0.1000 -
H - 0.0200 -
Fe - 0.8000 -
C - 0.1000 -
Al 5.2500 6.7500 -

Mechanical Properties of steel grade XEV-J

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)
893 (≥) 849 (≥) 14 11 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade XEV-J

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
43 - -     0.32 -  
181 179 - 14.3 113   -  
569 - 24 22.2   444 222

Heat Treatment of steel grade XEV-J

Heat treated : 1669°C - 1268°C

Technological Curves of steel grade XEV-J

Cross Reference Table (Equivalent Grade) of XEV-J

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