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France AFNOR NF C54E4 Iron and steel. Steels for bearings. Types and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C54E4 / C 54 E 4
Category Grade Standard Region/Area Standard Content
Metals C 54 E 4 NF A35-565 France Iron and steel. Steels for bearings. Types

Chemical composition(mass fraction)(wt.%) of the C 54 E 4

Element Min Max Similar
Si - 0.4000 -
S - 0.0350 -
P - 0.0250 -
Mn 0.4000 0.7000 -
Cu - 0.3000 -
C 0.5000 0.5700 -

Mechanical Properties of steel grade C 54 E 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)
377 (≥) 573 (≥) 41 21 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade C 54 E 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
12 - -     0.14 -  
485 815 - 23.3 341   -  
641 - 12 12.2   141 421

Heat Treatment of steel grade C 54 E 4

Heat treated : 1711°C - 1987°C

Technological Curves of steel grade C 54 E 4

Cross Reference Table (Equivalent Grade) of C 54 E 4

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