OL37.3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OL37.3

Location » Home » Grades > Special Alloy > OL37.3

STAS/SR OL37.3

Profile

This page is mainly introduced the OL37.3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OL37.3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
OL37.3
  • Steel Garde:OL37.3
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 531~647 σb/MPa
Yield Strength 880 σ 0.2 ≥/MPa
Elongation 39 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 966~840 -
HRC 30 -

Physical Properties

Thermal expansion 92-88 e-6/K
Thermal conductivity 37-77 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7643-1935 째C
Density 7511-7419 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)
OL37.3 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