2.4955

This page provides 2.4955 datasheet, 2.4955 mechanical properties, chemical element 2.4955, technical specifications of 2.4955 steel material properties. 2.4955 performance specifications.

Category Type Steel Grade Standard Country Application
Steel GradesValve Steel 2.4955 AFNOR France Valve Internal Combustion Engines steel (NF-EN 1009-1998)
1.4875
X50CrMnNiNbN21-9
1.4882
X53CrMnNiNbN21-9
1.4870
X85CrMoV18-2
1.4748
NiCr20TiAI
2.4952
NiFe25Cr20NbTi
Datasheet for:Steel Grades:Valve Steel:2.4955

Chemical composition(mass fraction)(wt.%) of the 2.4955

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) B(%) Nb(%) Al(%) Ti(%) Other(%)
0.04-0.10 Max 1.00 Max 1.00 Max 0.030 Max 0.015 18.0-21.0 Remain Max 0.008 Nb+Ta 1.0-2.0 0.30-1.00 1.0-2.0 Fe 23.0-28.0

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade 2.4955

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)
927 (≥) 843 (≥) 43 42 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 323
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
31 - -     0.12 -  
836 931 - 22.3 343   -  
831 - 11 41.2   442 343
Heat treated : 1596°C - 1362°C
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
2.4955 FED Germany
Valve steel
2.4955 AFNOR France
Valve Internal Combustion Engines steel (NF-EN 1009-1998)
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