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 451~874 σb/MPa
Yield Strength 145 σ 0.2 ≥/MPa
Elongation 44 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 290~097 -
HRC 30 -

Physical Properties

Thermal expansion 11-65 e-6/K
Thermal conductivity 38-48 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0121-9757 째C
Density 4143-2590 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