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Description

Romania STAS/SR OLC8S Structural steel and OLC8S Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: OLC8S
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel OLC8S STAS/SR Romania Structural steel
01X50 XS
01X55
OLC55S
OIX55X
OLC55XS
OLC60
OLC60S
OLC60X
OLC60XS
OLC8

Chemical composition(mass fraction)(wt.%) of the OLC8S

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Cu(%)
0.05-0.12 0.17-0.37 0.35-0.65 0.040 0.020-0.045 0.30 0.30 0.30

Mechanical Properties of steel grade OLC8S

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)
121 (≥) 143 (≥) 34 32 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade OLC8S

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
14 - -     0.44 -  
935 478 - 12.3 411   -  
725 - 33 13.2   123 231

Heat Treatment of steel grade OLC8S

Heat treated : 1726°C - 1652°C

Technological Curves of steel grade OLC8S

Cross Reference Table (Equivalent Grade) of OLC8S

Grade Standard Country Application
OLC8S STAS/SR Romania Structural steel

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