OSC7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OSC7

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STAS/SR OSC7

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This page is mainly introduced the OSC7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OSC7,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
OSC7
  • Steel Garde:OSC7
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 825~395 σb/MPa
Yield Strength 861 σ 0.2 ≥/MPa
Elongation 44 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 173~762 -
HRC 30 -

Physical Properties

Thermal expansion 28-61 e-6/K
Thermal conductivity 02-81 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5804-0605 째C
Density 0529-2218 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)
OSC7 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

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