OLC40 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OLC40

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STAS/SR OLC40

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This page is mainly introduced the OLC40 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OLC40,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
OLC40
  • Steel Garde:OLC40
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:Structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
OLC40S STAS/SR Romania
OLC40X STAS/SR Romania
OLC40XS STAS/SR Romania

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 375~162 σb/MPa
Yield Strength 356 σ 0.2 ≥/MPa
Elongation 65 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 147~499 -
HRC 30 -

Physical Properties

Thermal expansion 49-92 e-6/K
Thermal conductivity 70-45 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2934-6754 째C
Density 7387-7599 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)
OLC40 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