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NiFe25Cr20NbTi

EU EN NiFe25Cr20NbTi Valve steels and alloys for internal combustion engines and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: NiFe25Cr20NbTi / NiFe25Cr20NbTi
Category Grade Standard Region/Area Standard Content
Metals NiFe25Cr20NbTi EN 10090 EU Valve steels and alloys for internal combustion engines

Chemical composition(mass fraction)(wt.%) of the NiFe25Cr20NbTi

Element Min Max Similar

Mechanical Properties of steel grade NiFe25Cr20NbTi

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)
591 (≥) 261 (≥) 31 44 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade NiFe25Cr20NbTi

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
21 - -     0.44 -  
857 383 - 11.3 244   -  
713 - 23 33.2   413 423

Heat Treatment of steel grade NiFe25Cr20NbTi

Heat treated : 1622°C - 1855°C

Technological Curves of steel grade NiFe25Cr20NbTi

Cross Reference Table (Equivalent Grade) of NiFe25Cr20NbTi

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