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Hungary MSZ C4 Rolled or forged wheel centres for tyred wheels for tractive and trailing stock and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C4 / C 4
Category Grade Standard Region/Area Standard Content
Metals C 4 MSZ 2754 Hungary Rolled or forged wheel centres for tyred wheels for tractive and trailing stock

Chemical composition(mass fraction)(wt.%) of the C 4

Element Min Max Similar

Mechanical Properties of steel grade C 4

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)
385 (≥) 777 (≥) 11 23 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade C 4

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 - -     0.11 -  
879 749 - 41.3 111   -  
337 - 23 23.2   432 313

Heat Treatment of steel grade C 4

Heat treated : 1331°C - 1573°C

Technological Curves of steel grade C 4

Cross Reference Table (Equivalent Grade) of C 4

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