OL44.2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OL44.2

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STAS/SR OL44.2

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This page is mainly introduced the OL44.2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OL44.2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
OL44.2
  • Steel Garde:OL44.2
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 803~412 σb/MPa
Yield Strength 651 σ 0.2 ≥/MPa
Elongation 11 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 206~934 -
HRC 30 -

Physical Properties

Thermal expansion 19-83 e-6/K
Thermal conductivity 83-32 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1777-9235 째C
Density 5703-6587 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)
OL44.2 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