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America SAE EV15 Engine poppet valve information report and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: EV15 / EV 15
Category Grade Standard Region/Area Standard Content
Metals EV 15 SAE J 775 America Engine poppet valve information report

Chemical composition(mass fraction)(wt.%) of the EV 15

Element Min Max Similar

Mechanical Properties of steel grade EV 15

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)
615 (≥) 585 (≥) 11 42 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade EV 15

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
14 - -     0.43 -  
594 984 - 33.3 311   -  
645 - 42 43.2   222 331

Heat Treatment of steel grade EV 15

Heat treated : 1624°C - 1835°C

Technological Curves of steel grade EV 15

Cross Reference Table (Equivalent Grade) of EV 15

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