8Χ3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 8Χ3

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ГОСТ 8Χ3

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This page is mainly introduced the 8Χ3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 8Χ3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
  • Steel Garde:8Χ3
  • Type:Special Alloy
  • Country:Russia
  • Standard:ГОСТ
  • Application:Carbide for cutting tools

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 669~300 σb/MPa
Yield Strength 642 σ 0.2 ≥/MPa
Elongation 09 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 866~705 -
HRC 30 -

Physical Properties

Thermal expansion 41-80 e-6/K
Thermal conductivity 22-78 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3440-9082 째C
Density 0271-4669 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)
8Χ3 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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