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Description

Romania STAS/SR OLC50S Structural steel and OLC50S Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: OLC50S
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel OLC50S STAS/SR Romania Structural steel
OLC35XS
OLC40
OLC40S
OLC40X
OLC40XS
OLC45
OLC45S
OLC45X
OLC45XS
OLC50

Chemical composition(mass fraction)(wt.%) of the OLC50S

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Cu(%)
0.47-0.55 0.17-0.37 0.60-0.90 0.040 0.020-0.045 0.30 0.30 0.30

Mechanical Properties of steel grade OLC50S

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)
598 (≥) 531 (≥) 24 14 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade OLC50S

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
13 - -     0.14 -  
189 937 - 43.3 332   -  
346 - 24 14.2   332 331

Heat Treatment of steel grade OLC50S

Heat treated : 1573°C - 1736°C

Technological Curves of steel grade OLC50S

Cross Reference Table (Equivalent Grade) of OLC50S

Grade Standard Country Application
OLC50S STAS/SR Romania Structural steel

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