OLC25 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OLC25

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STAS/SR OLC25

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This page is mainly introduced the OLC25 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OLC25,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
OLC25
  • Steel Garde:OLC25
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:Structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
OLC25S STAS/SR Romania
OLC25X STAS/SR Romania
OLC25XS STAS/SR Romania

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 750~224 σb/MPa
Yield Strength 218 σ 0.2 ≥/MPa
Elongation 90 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 976~719 -
HRC 30 -

Physical Properties

Thermal expansion 55-23 e-6/K
Thermal conductivity 95-27 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3015-0360 째C
Density 6094-1766 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

Size Availability

Steel Grade Specification Processing range(mm)
OLC25 Special Alloy Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download