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Description

Romania STAS/SR OLC25 Structural steel and OLC25 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: OLC25
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel OLC25 STAS/SR Romania Structural steel
OLC10X
OLC10XS
OLC15
OLC15S
OLC15X
OLC15XS
OLC20
OLC20S
OLC20X
OLC20XS

Chemical composition(mass fraction)(wt.%) of the OLC25

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Cu(%)
0.22-0.29 0.17-0.37 0.50-0.80 0.040 0.045 0.30 0.30 0.30

Mechanical Properties of steel grade OLC25

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)
325 (≥) 562 (≥) 11 21 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade OLC25

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
41 - -     0.24 -  
217 947 - 41.3 441   -  
696 - 44 22.2   234 431

Heat Treatment of steel grade OLC25

Heat treated : 1936°C - 1412°C

Technological Curves of steel grade OLC25

Cross Reference Table (Equivalent Grade) of OLC25

Grade Standard Country Application
OLC25 STAS/SR Romania Structural steel
OLC25S STAS/SR Romania Structural steel
OLC25X STAS/SR Romania Structural steel
OLC25XS STAS/SR Romania Structural steel

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