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Description

Austria ONORM RC55 Austrian structural steel and RC55 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: RC55
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel RC55 ONORM Austria Austrian structural steel
RC12
RCH
RC15
RC20
RC25
RC30
RC35
RC40
RC45
RC50

Chemical composition(mass fraction)(wt.%) of the RC55

C(%) Si(%) Mn(%) P(%) S(%)
0.55.0.60 0.15-0.40 0.40-0.70 0.035 0.035

Mechanical Properties of steel grade RC55

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)
879 (≥) 396 (≥) 34 32 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade RC55

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
34 - -     0.21 -  
365 639 - 43.3 414   -  
574 - 13 31.2   214 332

Heat Treatment of steel grade RC55

Heat treated : 1563°C - 1838°C

Technological Curves of steel grade RC55

Cross Reference Table (Equivalent Grade) of RC55

Grade Standard Country Application
RC55 ONORM Austria Austrian structural steel

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