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Belgium NBN C53 Superficial hardening steels. Grades and types and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C53 / C 53
Category Grade Standard Region/Area Standard Content
Metals C 53 NBN 253-06 Belgium Superficial hardening steels. Grades and types

Chemical composition(mass fraction)(wt.%) of the C 53

Element Min Max Similar
Si 0.1500 0.5400 -
S - 0.0350 -
P - 0.0250 -
Mn 0.4000 0.7000 -
C 0.5000 0.5700 -

Mechanical Properties of steel grade C 53

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)
294 (≥) 386 (≥) 31 43 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade C 53

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
32 - -     0.23 -  
432 772 - 32.3 113   -  
172 - 34 31.2   333 341

Heat Treatment of steel grade C 53

Heat treated : 1927°C - 1664°C

Technological Curves of steel grade C 53

Cross Reference Table (Equivalent Grade) of C 53

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