OLT65 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OLT65

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STAS/SR OLT65

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This page is mainly introduced the OLT65 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OLT65,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
OLT65
  • Steel Garde:OLT65
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:Structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
OLT65 STAS/SR Romania

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 446~574 σb/MPa
Yield Strength 721 σ 0.2 ≥/MPa
Elongation 18 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 656~582 -
HRC 30 -

Physical Properties

Thermal expansion 85-11 e-6/K
Thermal conductivity 96-65 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5557-4402 째C
Density 2017-6719 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)
OLT65 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