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Hungary MSZ FeNi50 Iron-nickel alloys with controlled thermal expansion properties. Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: FeNi50 / FeNi 50
Category Grade Standard Region/Area Standard Content
Metals FeNi 50 MSZ 13722-1 Hungary Iron-nickel alloys with controlled thermal expansion properties. Grades

Chemical composition(mass fraction)(wt.%) of the FeNi 50

Element Min Max Similar
Ti - - -
Si - 0.2000 -
S - 0.0200 -
P - 0.0200 -
Ni 49.0000 51.0000 -
Mn - 0.5000 -
Cu - - -
Co 4.5000 5.5000 -
C - 0.0500 -

Mechanical Properties of steel grade FeNi 50

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)
112 (≥) 221 (≥) 14 34 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade FeNi 50

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 - -     0.21 -  
184 876 - 41.3 442   -  
256 - 22 43.2   141 221

Heat Treatment of steel grade FeNi 50

Heat treated : 1431°C - 1837°C

Technological Curves of steel grade FeNi 50

Cross Reference Table (Equivalent Grade) of FeNi 50

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