1.4718

This page provides 1.4718 datasheet, 1.4718 mechanical properties, chemical element 1.4718, technical specifications of 1.4718 steel material properties. 1.4718 performance specifications.

Category Type Steel Grade Standard Country Application
Steel GradesValve Steel 1.4718 AFNOR France Valve Internal Combustion Engines steel (NF-EN 1009-1998)
Z53CMNS21-09Az
Z55CMN20-08Az
Z60CMDVNb21-10Az
Z80CNS20-02
Z85CDV18-02
NC15Fe7TA
NC20TA
X45CrSi9-3
X40CrSiMo10-2
1.4731
Datasheet for:Steel Grades:Valve Steel:1.4718

Chemical composition(mass fraction)(wt.%) of the 1.4718

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%)
0.40-0.50 2.70-3.30 Max 0.60 Max 0.040 Max 0.030 8.00-10.0 Max 0.50

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade 1.4718

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)
448 (≥) 841 (≥) 13 14 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
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
12 - -     0.22 -  
814 213 - 21.3 134   -  
984 - 23 43.2   124 432
Heat treated : 1253°C - 1535°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
1.4718 DIN Germany
Valve steel
1.4718 AFNOR France
Valve Internal Combustion Engines steel (NF-EN 1009-1998)
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