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NiFe25Cr20NbTi

Favorite Datasheet
NiCr15Fe7TiAl NiCr20TiAl
#NiFe25Cr20NbTi

Description

International ISO ISO 683-15 (1992), NiFe25Cr20NbTi Specialsteel Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: NiFe25Cr20NbTi
Category Class Grade Standard Country Application
Steel GradesSpecialsteel NiFe25Cr20NbTi ISO International Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines

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

C Si Mn P S Cr Mo Ni Al Fe Nb+Ta B
≤0.10 ≤1.00 ≤1.00 ≤0.030 ≤0.015 18.00 -21.00 ≤ ≥ remaining - ≥ 0.30 -1.00 23.00 -28.00 1.00 -2.00 ≤0.008

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)
648 (≥) 239 (≥) 21 21 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

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
14 - -     0.23 -  
184 227 - 32.3 144   -  
391 - 13 31.2   221 314

Heat Treatment of steel grade NiFe25Cr20NbTi

Heat treated : 1694°C - 1819°C

Technological Curves of steel grade NiFe25Cr20NbTi

Cross Reference Table (Equivalent Grade) of NiFe25Cr20NbTi

Grade Standard Country Application
NiFe25Cr20NbTi
NiFe25Cr20NbTi
NiFe25Cr20NbTi

Relevant standard of NiFe25Cr20NbTi

ISO 683-15 (1992) Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines ISO-683-15-(1992).pdf
NiCr15Fe7TiAl NiCr20TiAl
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