OLC55A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OLC55A

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STAS/SR OLC55A

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This page is mainly introduced the OLC55A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OLC55A,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
OLC55A
  • Steel Garde:OLC55A
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:Alloy structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 045~239 σb/MPa
Yield Strength 169 σ 0.2 ≥/MPa
Elongation 83 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 123~470 -
HRC 30 -

Physical Properties

Thermal expansion 61-21 e-6/K
Thermal conductivity 25-47 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8955-0516 째C
Density 1496-0592 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)
OLC55A 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

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