1.4870

This page provides 1.4870 datasheet, 1.4870 mechanical properties, chemical element 1.4870, technical specifications of 1.4870 steel material properties. 1.4870 performance specifications.

Category Type Steel Grade Standard Country Application
Steel GradesValve Steel 1.4870 AFNOR France Valve Internal Combustion Engines steel (NF-EN 1009-1998)
1.4718
X33CrNiMnN23-8
1.4866
X53CrMnNiN21-9
1.4871
X55CrMnNiN20-8
1.4875
X50CrMnNiNbN21-9
1.4882
X53CrMnNiNbN21-9
Datasheet for:Steel Grades:Valve Steel:1.4870

Chemical composition(mass fraction)(wt.%) of the 1.4870

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) N(%) Other(%)
0.48-0.58 Max 0.45 8.00-10.0 Max 0.045 Max 0.030 20.0-22.0 3.25-4.50 0.38-0.50 C+N Max 0.90

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade 1.4870

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)
595 (≥) 729 (≥) 32 14 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 142
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
33 - -     0.24 -  
131 553 - 33.3 112   -  
893 - 23 32.2   424 232
Heat treated : 1448°C - 1766°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
1.4870 DIN Germany
Valve steel
1.4870 AFNOR France
Valve Internal Combustion Engines steel (NF-EN 1009-1998)
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