OI.T45 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OI.T45

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STAS/SR OI.T45

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This page is mainly introduced the OI.T45 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OI.T45,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
OI.T45
  • Steel Garde:OI.T45
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 623~725 σb/MPa
Yield Strength 054 σ 0.2 ≥/MPa
Elongation 16 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 648~397 -
HRC 30 -

Physical Properties

Thermal expansion 39-21 e-6/K
Thermal conductivity 54-66 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9746-0963 째C
Density 8015-2148 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)
OI.T45 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