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X 85 CrMoV 18-02

Spain UNE X85CrMoV18-02 Valve steel for internal combustion engines and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X85CrMoV18-02 / X 85 CrMoV 18-02
Category Grade Standard Region/Area Standard Content
Metals X 85 CrMoV 18-02 UNE 36022 Spain Valve steel for internal combustion engines

Chemical composition(mass fraction)(wt.%) of the X 85 CrMoV 18-02

Element Min Max Similar
V 0.4000 0.6000 -
Si - 1.0000 -
S - 0.0300 -
P - 0.0300 -
Ni - 0.5000 -
Mo 2.0000 2.5000 -
Mn 1.0000 1.5000 -
Cr 16.5000 18.5000 -
C 0.8000 0.9000 -

Mechanical Properties of steel grade X 85 CrMoV 18-02

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)
646 (≥) 743 (≥) 13 44 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade X 85 CrMoV 18-02

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
11 - -     0.33 -  
754 352 - 43.3 342   -  
623 - 32 34.2   344 221

Heat Treatment of steel grade X 85 CrMoV 18-02

Heat treated : 1839°C - 1181°C

Technological Curves of steel grade X 85 CrMoV 18-02

Cross Reference Table (Equivalent Grade) of X 85 CrMoV 18-02

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