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X85CrMoV18-2

Description

France AFNOR X85CrMoV18-2 Valve Internal Combustion Engines steel (NF-EN 1009-1998) and X85CrMoV18-2 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Valve Steel: X85CrMoV18-2
Category Type Steel Grade Standard Country Application
Steel GradesValve Steel X85CrMoV18-2 AFNOR France Valve Internal Combustion Engines steel (NF-EN 1009-1998)
X33CrNiMnN23-8
1.4866
X53CrMnNiN21-9
1.4871
X55CrMnNiN20-8
1.4875
X50CrMnNiNbN21-9
1.4882
X53CrMnNiNbN21-9
1.4870

Chemical composition(mass fraction)(wt.%) of the X85CrMoV18-2

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%) V(%)
0.80-0.90 Max 1.50 Max 1.50 Max 0.040 Max 0.030 16.5-18.5 2.00-2.50 0.30-0.60

Mechanical Properties of steel grade X85CrMoV18-2

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)
154 (≥) 314 (≥) 11 22 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade X85CrMoV18-2

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
34 - -     0.21 -  
388 714 - 22.3 112   -  
889 - 13 13.2   223 313

Heat Treatment of steel grade X85CrMoV18-2

Heat treated : 1156°C - 1755°C

Technological Curves of steel grade X85CrMoV18-2

Cross Reference Table (Equivalent Grade) of X85CrMoV18-2

Grade Standard Country Application
X85CrMoV18-2 DIN Germany Valve steel
X85CrMoV18-2 AFNOR France Valve Internal Combustion Engines steel (NF-EN 1009-1998)
ISO X85CrMoV18 2 ISO ISO ISO standard valve martensite steel
EN X85CrMoV18-2 EN Euronorm Euronorm Stainless Steel

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