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Yugoslavia JUS C4578 Heat resisting steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C4578 / C 4578
Category Grade Standard Region/Area Standard Content
Metals C 4578 -- Yugoslavia Heat resisting steels

Chemical composition(mass fraction)(wt.%) of the C 4578

Element Min Max Similar
Si - 2.0000 -
S - 0.0350 -
P - 0.0350 -
Ni - 20.0000 -
Mn - 1.5000 -
Cr - 25.0000 -
C - 0.2000 -

Mechanical Properties of steel grade C 4578

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)
943 (≥) 552 (≥) 12 31 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical Properties of steel grade C 4578

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
23 - -     0.11 -  
573 174 - 23.3 224   -  
313 - 44 14.2   314 232

Heat Treatment of steel grade C 4578

Heat treated : 1875°C - 1969°C

Technological Curves of steel grade C 4578

Cross Reference Table (Equivalent Grade) of C 4578

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